Station Overview Station Location
Station Number MA-SF-1 Latitude 42.357019
Station Name Boston 0.5 WSW Longitude -71.067142
County Suffolk Elevation (ft) 43



Month 30 Yr Avg by PRISM Total Prcp Sum Days Covered By All Observations Daily Prcp Sum Daily Observation Count Multiday Prcp Sum Days Covered by Multiday Observations Multiday Observation Count Days With Prcp Days With Trace Total Snowfall Days With Snowfall Days With Snow On Ground
Oct 14 4.26 4.42 31 2.62 11 1.80 20 6 6 0 0.0 0 0
Nov 14 4.46 3.18 30 0.99 6 2.19 24 6 3 0 0.0 0 0
Dec 14 4.27 7.19 31 0.22 3 6.97 28 8 1 1 0.0 0 0
Jan 15 3.68 1.36 31 0.03 2 1.33 29 4 2 0 0.2 1 0
Feb 15 3.61 0.00 28 0.00 0 0.00 28 0 0 0 0.0 0 0
March 15 4.66 4.52 31 0.00 0 4.52 31 3 0 0 0.0 0 0
April 15 4.31 1.60 30 0.00 1 1.60 29 5 0 0 0.0 0 0
May 15 3.76 0.27 31 0.00 1 0.27 30 4 0 0 0.0 0 0
June 15 4.07 5.73 31 0.02 2 5.71 29 7 1 0 0.0 0 0
July 15 3.81 1.67 31 0.01 1 1.66 30 3 1 0 0.0 0 0
Aug 15 3.68 2.58 30 0.69 3 1.89 27 4 1 1 0.0 0 0
Sept 15 3.70 0.72 30 0.01 2 0.71 28 4 1 0 0.0 0 0
Water Year Totals: 48.27" 33.24" 365 days 4.59" 32 28.65" 333 days 54 16 days 2 days 0.2" 1 days 0 days



Days in Water Year Cell Color Key
        Daily Observation with Prcp         Missing Day
        Multiday Observation         Daily/Multiday Observation Conflict

Day of Year Daily Prcp Multiday Prcp
10/1/2014 **
10/2/2014 1.27
10/3/2014 0.02
10/4/2014 **
10/5/2014 **
10/6/2014 **
10/7/2014 **
10/8/2014 0.20
10/9/2014 0.00
10/10/2014 0.00
10/11/2014 **
10/12/2014 **
10/13/2014 **
10/14/2014 0.31
10/15/2014 **
10/16/2014 0.02
10/17/2014 0.54
10/18/2014 **
10/19/2014 **
10/20/2014 0.00
10/21/2014 0.00
10/22/2014 0.06
10/23/2014 1.72
10/24/2014 0.24
10/25/2014 **
10/26/2014 **
10/27/2014 T
10/28/2014 0.00
10/29/2014 0.00
10/30/2014 0.04
10/31/2014 **
11/1/2014 **
11/2/2014 **
11/3/2014 0.48
11/4/2014 0.00
11/5/2014 **
11/6/2014 T
11/7/2014 **
11/8/2014 **
11/9/2014 **
11/10/2014 0.68
11/11/2014 **
11/12/2014 0.00
11/13/2014 0.00
11/14/2014 0.20
11/15/2014 **
11/16/2014 **
11/17/2014 0.71
11/18/2014 0.78
11/19/2014 0.00
11/20/2014 0.01
11/21/2014 **
11/22/2014 **
11/23/2014 **
11/24/2014 **
11/25/2014 0.32
11/26/2014 **
11/27/2014 **
11/28/2014 **
11/29/2014 **
11/30/2014 **
12/1/2014 **
12/2/2014 1.35
12/3/2014 **
12/4/2014 0.56
12/5/2014 0.00
12/6/2014 **
12/7/2014 **
12/8/2014 **
12/9/2014 **
12/10/2014 3.92
12/11/2014 **
12/12/2014 0.22
12/13/2014 **
12/14/2014 **
12/15/2014 **
12/16/2014 0.00
12/17/2014 **
12/18/2014 0.34
12/19/2014 T
12/20/2014 **
12/21/2014 **
12/22/2014 **
12/23/2014 0.04
12/24/2014 0.22
12/25/2014 **
12/26/2014 **
12/27/2014 **
12/28/2014 **
12/29/2014 **
12/30/2014 0.54
12/31/2014 **
Day of YearDaily PrcpMultiday Prcp
1/1/2015 **
1/2/2015 **
1/3/2015 **
1/4/2015 **
1/5/2015 **
1/6/2015 1.12
1/7/2015 0.01
1/8/2015 **
1/9/2015 **
1/10/2015 **
1/11/2015 **
1/12/2015 **
1/13/2015 **
1/14/2015 **
1/15/2015 0.16
1/16/2015 0.02
1/17/2015 **
1/18/2015 **
1/19/2015 **
1/20/2015 **
1/21/2015 0.05
1/22/2015 **
1/23/2015 0.00
1/24/2015 **
1/25/2015 **
1/26/2015 **
1/27/2015 **
1/28/2015 **
1/29/2015 **
1/30/2015 **
1/31/2015 **
2/1/2015 **
2/2/2015 **
2/3/2015 **
2/4/2015 **
2/5/2015 **
2/6/2015 **
2/7/2015 **
2/8/2015 **
2/9/2015 **
2/10/2015 **
2/11/2015 **
2/12/2015 **
2/13/2015 **
2/14/2015 **
2/15/2015 **
2/16/2015 **
2/17/2015 **
2/18/2015 **
2/19/2015 **
2/20/2015 **
2/21/2015 **
2/22/2015 **
2/23/2015 **
2/24/2015 **
2/25/2015 **
2/26/2015 **
2/27/2015 **
2/28/2015 **
3/1/2015 **
3/2/2015 **
3/3/2015 **
3/4/2015 **
3/5/2015 **
3/6/2015 **
3/7/2015 **
3/8/2015 **
3/9/2015 **
3/10/2015 **
3/11/2015 **
3/12/2015 **
3/13/2015 2.60
3/14/2015 **
3/15/2015 **
3/16/2015 **
3/17/2015 **
3/18/2015 **
3/19/2015 **
3/20/2015 **
3/21/2015 **
3/22/2015 **
3/23/2015 **
3/24/2015 **
3/25/2015 0.90
3/26/2015 **
3/27/2015 1.02
3/28/2015 **
3/29/2015 **
3/30/2015 **
3/31/2015 **
Day of YearDaily PrcpMultiday Prcp
4/1/2015 **
4/2/2015 **
4/3/2015 **
4/4/2015 **
4/5/2015 **
4/6/2015 **
4/7/2015 **
4/8/2015 0.19
4/9/2015 **
4/10/2015 0.60
4/11/2015 **
4/12/2015 **
4/13/2015 **
4/14/2015 T
4/15/2015 **
4/16/2015 **
4/17/2015 **
4/18/2015 **
4/19/2015 **
4/20/2015 **
4/21/2015 **
4/22/2015 **
4/23/2015 **
4/24/2015 0.70
4/25/2015 **
4/26/2015 **
4/27/2015 **
4/28/2015 0.11
4/29/2015 0.00
4/30/2015 **
5/1/2015 0.00
5/2/2015 **
5/3/2015 **
5/4/2015 **
5/5/2015 **
5/6/2015 **
5/7/2015 **
5/8/2015 **
5/9/2015 **
5/10/2015 **
5/11/2015 **
5/12/2015 **
5/13/2015 **
5/14/2015 **
5/15/2015 **
5/16/2015 **
5/17/2015 **
5/18/2015 **
5/19/2015 **
5/20/2015 0.27
5/21/2015 **
5/22/2015 **
5/23/2015 **
5/24/2015 **
5/25/2015 **
5/26/2015 0.00
5/27/2015 0.00
5/28/2015 **
5/29/2015 T
5/30/2015 **
5/31/2015 **
6/1/2015 **
6/2/2015 2.03
6/3/2015 **
6/4/2015 **
6/5/2015 **
6/6/2015 **
6/7/2015 **
6/8/2015 **
6/9/2015 0.23
6/10/2015 **
6/11/2015 T
6/12/2015 0.00
6/13/2015 **
6/14/2015 **
6/15/2015 **
6/16/2015 **
6/17/2015 0.53
6/18/2015 **
6/19/2015 0.00
6/20/2015 **
6/21/2015 **
6/22/2015 **
6/23/2015 1.48
6/24/2015 0.02 **
6/25/2015 **
6/26/2015 **
6/27/2015 **
6/28/2015 **
6/29/2015 **
6/30/2015 1.44
Day of YearDaily PrcpMultiday Prcp
7/1/2015 **
7/2/2015 **
7/3/2015 **
7/4/2015 **
7/5/2015 **
7/6/2015 **
7/7/2015 0.48
7/8/2015 **
7/9/2015 **
7/10/2015 **
7/11/2015 **
7/12/2015 **
7/13/2015 **
7/14/2015 1.17
7/15/2015 0.01
7/16/2015 **
7/17/2015 0.01
7/18/2015 **
7/19/2015 **
7/20/2015 **
7/21/2015 **
7/22/2015 **
7/23/2015 **
7/24/2015 **
7/25/2015 **
7/26/2015 **
7/27/2015 **
7/28/2015 **
7/29/2015 **
7/30/2015 **
7/31/2015 **
8/1/2015 **
8/2/2015 **
8/3/2015 **
8/4/2015 **
8/5/2015 **
8/6/2015 **
8/7/2015 **
8/8/2015 **
8/9/2015 **
8/10/2015 **
8/11/2015 0.92
8/12/2015 0.69
8/13/2015
8/14/2015 0.00
8/15/2015 **
8/16/2015 **
8/17/2015 **
8/18/2015 **
8/19/2015 0.25
8/20/2015 **
8/21/2015 0.17
8/22/2015 **
8/23/2015 **
8/24/2015 **
8/25/2015 0.55
8/26/2015 T
8/27/2015 **
8/28/2015 **
8/29/2015 **
8/30/2015 **
8/31/2015 **
9/1/2015 **
9/2/2015 **
9/3/2015 0.00
9/4/2015 0.01
9/5/2015 **
9/6/2015 **
9/7/2015 **
9/8/2015 0.00
9/9/2015 0.00
9/10/2015 **
9/11/2015 **
9/12/2015 **
9/13/2015 **
9/14/2015 **
9/15/2015 0.71
9/16/2015 **
9/17/2015 **
9/18/2015 0.00
9/19/2015 **
9/20/2015 **
9/21/2015 **
9/22/2015 **
9/23/2015 **
9/24/2015 **
9/25/2015 **
9/26/2015 **
9/27/2015 **
9/28/2015 **
9/29/2015 **
9/30/2015 **



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/3/2014 7:50 AM 0.02 M M M M Few clouds 49°F pressure 30.03" Hg and currently steady. Precipitation possible over weekend.
10/9/2014 8:09 AM 0.00 0.0 0.00 0.0 0.00 Sunny and cool. Current temperature is 50 degrees with an expected high of 64 degrees.
10/10/2014 8:00 AM 0.00 0.0 M M M Partly cloudy 51°F pressure 29.98" Hg and rising. No precipitation expected today but some expected on Saturday and then dry thru Columbus Day (10/13).
10/17/2014 8:45 AM 0.54 M M M M Partly cloudy 61°F pressure 29.57" Hg. Clearing but warm today with no precipitation expected through the weekend.
10/21/2014 8:00 AM 0.00 0.0 M M M Cloudy 55°F pressure 29.89" Hg and currently steady. Showers expected later today.
10/22/2014 7:50 AM 0.06 M M M M Cloudy and light drizzle 53°F pressure 29.91 and rising slowly to steady. Heavier rain expected later today and during the evening with the potential for an isolated thunderstorm.
10/23/2014 8:55 AM 1.72 M M M M Raining and breezy.
10/24/2014 8:00 AM 0.24 M M M M Cloudy light drizzle 48°F pressure 29.62" Hg and rising. Slow clearing later today. Precipitation not likely over the weekend.
10/28/2014 8:30 AM 0.00 0.0 M M M Partly sunny with an expected high of 65 degrees.
10/29/2014 8:15 AM 0.00 0.0 M M M Low clouds and fog 58°F pressure 29.79" Hg and steady. Some clearing with occasional rain showers expected.
10/30/2014 8:03 AM 0.04 M M M M Sunny. A high of 57 degrees is expected.
11/4/2014 8:00 AM 0.00 0.0 M M M Cloudy with a few breaks 49°F pressure 30.04" Hg and falling. No precipitation expected today.
11/13/2014 8:00 AM 0.00 0.0 0.00 0.0 0.00 Sunny. A high of 49 degrees is expected.
11/14/2014 7:45 AM 0.20 0.0 M M M Overcast w/binovc and light mist 34°F pressure 29.83"Hg and falling. Light snow on grassy and colder surfaces in the suburbs, none in the city. Clearing expected later today.
11/18/2014 7:19 AM 0.78 0.0 0.00 0.0 0.00 Currently cloudy. The forecast for today is 39 degrees and partly sunny.
11/19/2014 7:45 AM 0.00 0.0 M M M Clear and very cold 24°F pressure 30.02"Hg and rising.
11/20/2014 7:38 AM 0.01 0.0 0.00 0.0 0.00 Dry. Today's forecast is for a high of 44 degrees and 0% chance of precipitation.
12/5/2014 7:30 AM 0.00 0.0 M M M Clear 25°F pressure 30.57"Hg and rising. No precipitation expected today, however, up to one inch of rain is expected through the weekend.
12/19/2014 8:15 AM T M M M M Overcast with a few breaks 33°F pressure 29.85"Hg and rising. Some sun this afternoon with precip forecast over the weekend.
12/24/2014 8:00 AM 0.22 M M M M Overcast and Fog with Mist 41°F pressure 29.99"Hg and falling. Heavy rain expected later today into Christmas morning. Next observation may not be until 30 December.
1/7/2015 8:00 AM 0.01 T M M M Clear 15°F pressure 29.78"Hg and falling. Light snow during the afternoon of 6 Jan. Snow squalls expected later today with gusting winds and falling temps.
1/16/2015 8:30 AM 0.02 0.2 M M M Mostly Cloudy 26°F pressure 29.65" Hg and steady. Light snow yesterday afternoon with snow showers expected during the day today and occasional breaks of sun.
4/29/2015 8:00 AM 0.00 0.0 M M M Observation: Mostly clear 54°F pressure 29.58" Hg and steady. No precipitation expected until Friday.
5/27/2015 8:10 AM 0.00 0.0 M M M Partly Cloudy 69°F pressure 30.07" Hg and falling. Slight chance of thunderstorms late this afternoon and early evening with a greater chance tomorrow.
6/12/2015 8:30 AM 0.00 0.0 M M M Overcast with a few breaks 74°F pressure 29.92" Hg and rising. Cold frontal passage expected in the next 24 h, so there is the possibility of thunderstorms later today and through the early part of Saturday morning.
6/24/2015 8:00 AM 0.02 M M M M Clear 69°F pressure 29.94" Hg and rising. Next chance for precipitation on Thursday evening/night.
7/15/2015 8:00 AM 0.01 M M M M Mostly cloudy and very humid 75°F pressure 29.63" Hg and rising. Widely scattered thunderstorms today, large amounts of rain for those communities that get one but no forecasts for severe weather. After today turning cooler and drier with next chance for rain over the weekend.
8/12/2015 7:50 AM 0.69 M M M M A few clouds, 70°F pressure 29.76" Hg and rising. Scattered showers with the possibility of a thundershower. Clearing overnight with the next chances of rain on Saturday.
8/14/2015 7:50 AM 0.00 0.0 M M M Clear and dry 72°F pressure 30.13" Hg and steady. A slight chance of some rain over the weekend and particularly on Saturday afternoon. Greater chance of rain early next week with more humidity on the backside of the high pressure system.
8/26/2015 7:50 AM T M M M M Overcast with breaks in ovc, fog, and mist 71°F pressure 29.89" Hg and rising. Slight chance of a passing shower early and then becoming sunny and drier through the weekend.
9/4/2015 7:50 AM 0.01 M M M M Overcast 66°F pressure 30.11" Hg and rising. Clearing and cooler today with low humidity. Temperatures rising through the Labor Day weekend and the humidity will rise early next week. Next chance of rain is forecast for Tuesday.
9/9/2015 8:50 AM 0.00 0.0 M M M Mostly clear a few thin cirrus clouds 78°F pressure 29.93" Hg and falling. Although the gauge did not record any precip, there were a few brief showers during the mid-afternoon yesterday, nothing measurable because they were mainly large drops. Measurable rain with possible thundershowers is expected on Thursday with heavy showers forecast into Friday morning.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/1/2014 10/02/2014 7:05 AM 2 1.27 0.0 0.00 A light rain is falling. The current temperature is 55 degrees with a high of 60 degrees expected.
10/4/2014 10/08/2014 8:00 AM 5 0.20 M M Cloudy with breaks in the overcast, 64°F. Clearing expected later this morning.
10/11/2014 10/14/2014 8:00 AM 4 0.31 M M Cloudy 62°F pressure 30.16" Hg and currently steady. Clouds are expected to break for sun later today and no precip expected until Thursday.
10/15/2014 10/16/2014 9:13 AM 2 0.02 0.0 0.00 Cloudy and humid. A high of 73 degrees is expected.
10/18/2014 10/20/2014 9:15 AM 3 0.00 0.0 0.00 Breezy and cool. A high in the 50s is expected.
10/25/2014 10/27/2014 7:43 AM 3 T 0.0 0.00 Partly sunny skies and 58 degrees forecasted for today.
10/31/2014 11/03/2014 8:27 AM 4 0.48 0.0 0.00 Sunny and windy with a high of 51 degrees.
11/5/2014 11/06/2014 8:15 AM 2 T M M Cloudy with light drizzle 51°F pressure 29.95" Hg and falling. Heavier rain expected later today.
11/7/2014 11/10/2014 8:11 AM 4 0.68 0.0 0.00 Sunny. A high of 57 degrees is expected.
11/11/2014 11/12/2014 8:00 AM 2 0.00 M M Low clouds and fog 50°F pressure 29.84"Hg and rising. Scattered showers are expected today with partial clearing and colder later tonight into tomorrow.
11/15/2014 11/17/2014 9:39 AM 3 0.71 0.0 0.00 A light rain is falling. The current temperature is 38 degrees with a high of 52 degrees expected.
11/21/2014 11/25/2014 7:45 AM 5 0.32 M M Partly Cloudy 57°F pressure 29.75"Hg and rising. Bulk of the precip fell in the last 24–36 h. More expected over the Thanksgiving holiday with possible frozen variety tomorrow into Thanksgiving morning.
11/26/2014 12/02/2014 8:00 AM 7 1.35 0.0 M Please note that we have lost an observer here and hopefully will get a replacement soon. Also note that the precipitation recorded was accumulated in Nov. Observation: Mostly Cloudy 31°F pressure 30.59"Hg and rising. Precip possible later today into tomorrow.
12/3/2014 12/04/2014 8:00 AM 2 0.56 0.0 M Mostly sunny 35°F pressure 30.19"Hg and rising. The bulk of the rain fell on 3 December. Sunny today but clouds moving in for Friday with precipitation expected late Friday into Saturday.
12/6/2014 12/10/2014 8:15 AM 5 3.92 0.0 M Overcast Fog and Mist 38°F pressure 29.43"Hg and falling. At least 2" of the accumulated precip fell in the last 36 h. The most of the rest fell over the weekend (mostly on Sat 6 Dec).
12/11/2014 12/12/2014 10:00 AM 2 0.22 M M Mostly clear 34°F pressure 29.79"Hg and steady. Finally some sun here! Water was frozen in the rain gauge. Precipitation is not expected through the weekend.
12/13/2014 12/16/2014 7:50 AM 4 0.00 M M Overcast and damp 38°F pressure 30.07"Hg and rising. Rain expected later today into Wednesday.
12/17/2014 12/18/2014 8:00 AM 2 0.34 M M Overcast light rain with occasional wet snowflakes 34°F pressure 29.68"Hg and rising. Current precip is predicted to end midmoring with clearing through Friday.
12/20/2014 12/23/2014 8:00 AM 4 0.04 M M Overcast and damp with occasional drizzle 43°F pressure 30.17"Hg and steady. Heavier rain expected later today and through Christmas Eve.
12/25/2014 12/30/2014 8:00 AM 6 0.54 M M Few clouds 20°F pressure 30.25"Hg and rising. Appreciable precip is not expected until early next week. Because of vacations and AMS annual meeting schedule, observations may not be taken again before 6 Jan 2015.
12/31/2014 1/06/2015 8:00 AM 7 1.12 M M No detailed observation taken. The sky cover at 0800 LT was overcast and cold.
1/8/2015 1/15/2015 8:30 AM 8 0.16 T M Observation at 08:30AM: Overcast 24°F pressure 30.02"Hg and rising. Light snow throughout the morning into afternoon.
1/17/2015 1/21/2015 8:00 AM 5 0.05 0.0 M Clear 20°F pressure 30.05" Hg and rising. Light snow may graze the area tonight into tomorrow.
1/22/2015 1/23/2015 8:00 AM 2 0.00 0.0 M Mostly Clear 23°F pressure 30.18" Hg snd falling. Becoming mostly cloudy by the end of today and rain/snow mix expected on Saturday with clearing on Sunday. The possibility of some precipitation on Monday.
1/24/2015 3/13/2015 8:00 AM 49 2.60 14.0 M Water collected in the gauge does not represent the total for the period very well because of the amount of snow accumulated during the period. The total depth includes a lot of compaction during the last one to two weeks. Apologies for not inserting an observation for quite a while. Hard winter in Boston with several days when the office was closed and the amount of snow prevented going onto the roof to collect the observations. Hopefully the worst of the winter is over and observations will resume on a near normal schedule.
3/14/2015 3/25/2015 8:30 AM 12 0.90 M M Observation: Clear 37°F pressure 30.30" Hg and falling. Rain expected over the next 2 days. Snow depth is difficult to measure since there are areas of bare ground on the Boston Common with some "piles" remaining in scattered areas.
3/26/2015 3/27/2015 8:20 AM 2 1.02 M M Current observation: Overcast and rain, 38°F pressure 29.65" Hg and rising. Colder weather expected over the weekend with possible mixed precip and/or snow on Saturday.
3/28/2015 4/08/2015 8:00 AM 12 0.19 M M Current Obs: Partly Cloudy 37°F pressure 30.38" Hg and rising. Rain showers expected later today and overnight. Freezing precipitation expected well north and west of the city.
4/9/2015 4/10/2015 8:00 AM 2 0.60 0.0 0.00 Observation: Overcast and light rain 39°F pressure 29.96" Hg and falling. Rain expected throughout the day today and into Saturday. Clearing over the weekend into Monday.
4/11/2015 4/14/2015 8:00 AM 4 T 0.0 0.00 Current Observation: Overcast, Light Rain 56°F pressure 30.00 and currently rising. Rain expected until middday and then clearing.
4/15/2015 4/24/2015 8:00 AM 10 0.70 0.0 0.00 Observation: Few clouds 39°F pressure 29.64" Hg and steady. Scattered showers expected during the afternoon today and over the next couple of days because of late day heating.
4/25/2015 4/28/2015 8:00 AM 4 0.11 0.0 0.00 Observation: Cloudy with few breaks 44°F pressure 29.67" Hg and rising. Gradual clearing today with little to no precipitation over the next couple of days.
4/30/2015 5/01/2015 8:00 AM 2 0.00 M M Observation: Cloudy 44°F pressure 29.92" Hg and rising. Scattered sprinkles possible this morning then clearing by afternoon. Dry and getting warmer over the weekend through Monday.
5/2/2015 5/20/2015 8:00 AM 19 0.27 M M Observation: Clear with a few clouds to the east 59°F pressure 29.66" Hg and steady. Few instability showers possible this afternoon, but most likely rain free over the next couple days.
5/21/2015 5/26/2015 8:00 AM 6 0.00 M M Observation: Partly Cloudy 68°F pressure 30.06" Hg and rising. Possible afternoon and late day thundershowers over the next couple of days, as Boston is in the warm sector of a frontal system with southwest winds.
5/28/2015 5/29/2015 8:00 AM 2 T M M Observation:Clear 69°F pressure 30.20" Hg and rising. Thundershowers with heavy rain developed over the western part of the state yesterday afternoon, but most disbanded before reaching the eastern part of the state during the late afternoon and early evening.
5/30/2015 6/02/2015 8:00 AM 4 2.03 M M Observation: Cloudy with rain 46°F pressure 30.09" Hg and steady. Rain is expected to gradually end through midday today and then clearing expected.
6/3/2015 6/09/2015 8:15 AM 7 0.23 M M Current Observation: Overcast 65°F pressure 29.65" Hg and steady. Thundershowers expected later today, but they will be arriving from the west and may become less severe as they reach the coast.
6/10/2015 6/11/2015 8:00 AM 2 T M M Current observation: Partly cloudy thin cirrus and hazy 72°F pressure 29.84" Hg and rising. Hazy, hot, and humid with widely scattered thunderstorms expected south of Boston today.
6/13/2015 6/17/2015 8:00 AM 5 0.53 M M Current observation: Clear with a few high clouds 65°F pressure 30.12" Hg and rising. Next chance for rain is Friday morning (19 June).
6/18/2015 6/19/2015 8:00 AM 2 0.00 M M Current observation: Overcast 65°F pressure 29.77" Hg and falling. Passing showers possible through the early morning with clearing skies around noon. Next chances for precip are on Sunday (6/21) with the passage of the remnants of TS Bill and a cold front.
6/20/2015 6/23/2015 8:00 AM 4 1.48 M M Current obs: Mostly cloudy and hazy 72°F pressure 29.91" Hg and falling. Scattered thunderstorms expected during the afternoon into the evening. Possibility for heavy rain and/or strong to severe thunderstorms in the area. Clearing late nite thru tomorrow morning.
6/24/2015 6/30/2015 9:00 AM 7 1.44 M M Current observation: Clear 73°F pressure 30.02" Hg and steady. No precipitation expected for today, but a warm front passage overnight and early Tuesday will put Boston in the warm sector and prime for thunderstorms, with the possibility for severe storms.
7/1/2015 7/07/2015 7:40 AM 7 0.48 M M Current Obs: Mostly cloudy 69°F pressure 30.12" Hg and falling. Humidity rising today, with a slight chance of isolated showers and/or thunderstorm later. Better chance of more rain and severe weather throughout tomorrow.
7/8/2015 7/14/2015 7:45 AM 7 1.17 M M Current obs: Scattered clouds and very humid 68°F pressure 29.81" Hg and falling. Scattered thunderstorms today with warm front passage and more widespread thunderstorms tomorrow.
7/16/2015 7/17/2015 7:55 AM 2 0.01 M M Current obs: Mostly clear with scattered thin cirrus 62°F pressure 30.12" Hg and rising. Solid deck of high clouds is forecasted to move over later today with humidity rising thru the weekend. Afternoon thundershowers possible on Sat and Sun with the possibility of thunderstorms on Mon.
7/18/2015 8/11/2015 7:45 AM 25 0.92 M M Current Obs: Cloudy with some breaks to the east, 68°F pressure 29.93" Hg and falling. Heavy rain expected later with the possibility of strong thunderstorms.
8/15/2015 8/19/2015 8:00 AM 5 0.25 M M Current Obs: Clear and hazy, hot, and humid 74°F pressure 30.07" Hg and steady. The pop-up thunderstorms yesterday afternoon will not reoccur today. Next chance of precipitation in the area is forecast for Friday.
8/20/2015 8/21/2015 7:50 AM 2 0.17 M M Current obs: Overcast and rain 73°F pressure 30.02" Hg and rising. Rain and rain showers most of today with decreasing chances of rain each day through Monday. Rain could be tropical in nature to the southeast over Cape Cod and the islands on Saturday.
8/22/2015 8/25/2015 8:00 AM 4 0.55 M M Current obs: Partly/mostly cloudy 68°F pressure 29.90" Hg and rising. Low clouds are currently obscuring the tops of the higher buildings in the city. The heaviest rain over the past couple of days fell last Friday (21 Aug) after the morning measurement. The forecast is for heavy storms mainly to the western and northern suburbs of Boston today and around and in the city tomorrow. After Wednesday drier and cooler conditions move into the area.
8/27/2015 9/03/2015 7:45 AM 8 0.00 M M Current obs: Mostly clear few high clouds/contrails 72°F pressure 29.85" Hg and rising. The last couple of days were dry and hot for late summer. Hit or miss showers today prior to a cold front from Canada will bring cooler temps and continue to be dry throughout the Labor day weekend.
9/5/2015 9/08/2015 8:00 AM 4 0.00 M M Current obs: Clear few clouds to the east 79°F pressure 29.97" Hg and steady. No rain expected until late in the week near the weekend. Very humid, dry, and hot conditions for early Sept.
9/10/2015 9/15/2015 8:20 AM 6 0.71 M M Current obs: Clear 64°F pressure 30.22" Hg and rising. No rain expected until late Friday and possibly over the weekend. Storms last Fri thru Sun were much of the precip accumulation.
9/16/2015 9/18/2015 8:00 AM 3 0.00 M M Current obs: Clear 69°F pressure 30.04" Hg and rising, continued clear and dry weather with a slight chance of rain over the weekend thru Monday.
9/19/2015 10/09/2015 7:50 AM 21 2.85 M M Current obs: Mostly cloudy 56°F pressure 30.01" Hg and falling. Showers, possibly heavy at times, expected this afternoon. Clearing and sunny through the holiday weekend.



Observation Date Observation Time Notes Largest Stone Size Average Stone Size Smallest Stone Size Stone Consistency Duration Minutes Durration Accuracy Damage Timing More Rain than Hail Hail Started Largest Hail Started Angle of Impact Number of Stones on Pad Distance Between Stones on Pad Depth of Stones on Ground