Station Overview Station Location
Station Number AZ-PM-231 Latitude 32.489208
Station Name Catalina 2.5 ESE Longitude -110.884141
County Pima Elevation (ft) 3348



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 12 1.17 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 12 0.83 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 12 1.29 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 13 1.29 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 13 1.18 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 13 1.14 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 13 0.40 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 13 0.25 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 13 0.30 0.00 18 0.00 18 0.00 0 0 0 1 0.0 0 0
July 13 2.10 2.87 31 2.87 31 0.00 0 0 12 10 0.0 0 0
Aug 13 2.92 1.94 31 1.94 31 0.00 0 0 9 9 0.0 0 0
Sept 13 1.40 0.94 30 0.94 30 0.00 0 0 6 4 0.0 0 0
Water Year Totals: 14.27" 5.75" 110 days 5.75" 110 0.00" 0 days 0 27 days 24 days 0.0" 0 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
10/1/2012
10/2/2012
10/3/2012
10/4/2012
10/5/2012
10/6/2012
10/7/2012
10/8/2012
10/9/2012
10/10/2012
10/11/2012
10/12/2012
10/13/2012
10/14/2012
10/15/2012
10/16/2012
10/17/2012
10/18/2012
10/19/2012
10/20/2012
10/21/2012
10/22/2012
10/23/2012
10/24/2012
10/25/2012
10/26/2012
10/27/2012
10/28/2012
10/29/2012
10/30/2012
10/31/2012
11/1/2012
11/2/2012
11/3/2012
11/4/2012
11/5/2012
11/6/2012
11/7/2012
11/8/2012
11/9/2012
11/10/2012
11/11/2012
11/12/2012
11/13/2012
11/14/2012
11/15/2012
11/16/2012
11/17/2012
11/18/2012
11/19/2012
11/20/2012
11/21/2012
11/22/2012
11/23/2012
11/24/2012
11/25/2012
11/26/2012
11/27/2012
11/28/2012
11/29/2012
11/30/2012
12/1/2012
12/2/2012
12/3/2012
12/4/2012
12/5/2012
12/6/2012
12/7/2012
12/8/2012
12/9/2012
12/10/2012
12/11/2012
12/12/2012
12/13/2012
12/14/2012
12/15/2012
12/16/2012
12/17/2012
12/18/2012
12/19/2012
12/20/2012
12/21/2012
12/22/2012
12/23/2012
12/24/2012
12/25/2012
12/26/2012
12/27/2012
12/28/2012
12/29/2012
12/30/2012
12/31/2012
Day of YearDaily PrcpMultiday Prcp
1/1/2013
1/2/2013
1/3/2013
1/4/2013
1/5/2013
1/6/2013
1/7/2013
1/8/2013
1/9/2013
1/10/2013
1/11/2013
1/12/2013
1/13/2013
1/14/2013
1/15/2013
1/16/2013
1/17/2013
1/18/2013
1/19/2013
1/20/2013
1/21/2013
1/22/2013
1/23/2013
1/24/2013
1/25/2013
1/26/2013
1/27/2013
1/28/2013
1/29/2013
1/30/2013
1/31/2013
2/1/2013
2/2/2013
2/3/2013
2/4/2013
2/5/2013
2/6/2013
2/7/2013
2/8/2013
2/9/2013
2/10/2013
2/11/2013
2/12/2013
2/13/2013
2/14/2013
2/15/2013
2/16/2013
2/17/2013
2/18/2013
2/19/2013
2/20/2013
2/21/2013
2/22/2013
2/23/2013
2/24/2013
2/25/2013
2/26/2013
2/27/2013
2/28/2013
3/1/2013
3/2/2013
3/3/2013
3/4/2013
3/5/2013
3/6/2013
3/7/2013
3/8/2013
3/9/2013
3/10/2013
3/11/2013
3/12/2013
3/13/2013
3/14/2013
3/15/2013
3/16/2013
3/17/2013
3/18/2013
3/19/2013
3/20/2013
3/21/2013
3/22/2013
3/23/2013
3/24/2013
3/25/2013
3/26/2013
3/27/2013
3/28/2013
3/29/2013
3/30/2013
3/31/2013
Day of YearDaily PrcpMultiday Prcp
4/1/2013
4/2/2013
4/3/2013
4/4/2013
4/5/2013
4/6/2013
4/7/2013
4/8/2013
4/9/2013
4/10/2013
4/11/2013
4/12/2013
4/13/2013
4/14/2013
4/15/2013
4/16/2013
4/17/2013
4/18/2013
4/19/2013
4/20/2013
4/21/2013
4/22/2013
4/23/2013
4/24/2013
4/25/2013
4/26/2013
4/27/2013
4/28/2013
4/29/2013
4/30/2013
5/1/2013
5/2/2013
5/3/2013
5/4/2013
5/5/2013
5/6/2013
5/7/2013
5/8/2013
5/9/2013
5/10/2013
5/11/2013
5/12/2013
5/13/2013
5/14/2013
5/15/2013
5/16/2013
5/17/2013
5/18/2013
5/19/2013
5/20/2013
5/21/2013
5/22/2013
5/23/2013
5/24/2013
5/25/2013
5/26/2013
5/27/2013
5/28/2013
5/29/2013
5/30/2013
5/31/2013
6/1/2013
6/2/2013
6/3/2013
6/4/2013
6/5/2013
6/6/2013
6/7/2013
6/8/2013
6/9/2013
6/10/2013
6/11/2013
6/12/2013
6/13/2013 0.00
6/14/2013 0.00
6/15/2013 0.00
6/16/2013 0.00
6/17/2013 0.00
6/18/2013 0.00
6/19/2013 0.00
6/20/2013 0.00
6/21/2013 0.00
6/22/2013 0.00
6/23/2013 0.00
6/24/2013 0.00
6/25/2013 0.00
6/26/2013 0.00
6/27/2013 0.00
6/28/2013 0.00
6/29/2013 0.00
6/30/2013 T
Day of YearDaily PrcpMultiday Prcp
7/1/2013 T
7/2/2013 0.06
7/3/2013 0.00
7/4/2013 T
7/5/2013 0.00
7/6/2013 T
7/7/2013 0.00
7/8/2013 0.02
7/9/2013 T
7/10/2013 T
7/11/2013 0.17
7/12/2013 T
7/13/2013 0.22
7/14/2013 T
7/15/2013 0.00
7/16/2013 1.90
7/17/2013 T
7/18/2013 T
7/19/2013 0.00
7/20/2013 0.02
7/21/2013 T
7/22/2013 0.06
7/23/2013 0.01
7/24/2013 0.00
7/25/2013 0.05
7/26/2013 0.18
7/27/2013 0.17
7/28/2013 0.01
7/29/2013 0.00
7/30/2013 0.00
7/31/2013 0.00
8/1/2013 0.07
8/2/2013 T
8/3/2013 T
8/4/2013 0.00
8/5/2013 T
8/6/2013 0.09
8/7/2013 T
8/8/2013 0.00
8/9/2013 0.00
8/10/2013 0.00
8/11/2013 0.00
8/12/2013 T
8/13/2013 0.00
8/14/2013 0.00
8/15/2013 0.00
8/16/2013 T
8/17/2013 0.20
8/18/2013 0.00
8/19/2013 0.00
8/20/2013 0.00
8/21/2013 T
8/22/2013 T
8/23/2013 0.14
8/24/2013 0.74
8/25/2013 0.04
8/26/2013 0.28
8/27/2013 T
8/28/2013 0.00
8/29/2013 0.01
8/30/2013 0.37
8/31/2013 0.00
9/1/2013 0.00
9/2/2013 0.00
9/3/2013 T
9/4/2013 0.00
9/5/2013 0.00
9/6/2013 0.00
9/7/2013 0.42
9/8/2013 0.03
9/9/2013 0.05
9/10/2013 0.19
9/11/2013 T
9/12/2013 0.00
9/13/2013 0.00
9/14/2013 0.00
9/15/2013 0.00
9/16/2013 0.00
9/17/2013 T
9/18/2013 0.00
9/19/2013 0.00
9/20/2013 0.00
9/21/2013 0.00
9/22/2013 0.08
9/23/2013 0.17
9/24/2013 0.00
9/25/2013 0.00
9/26/2013 0.00
9/27/2013 0.00
9/28/2013 T
9/29/2013 0.00
9/30/2013 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
6/13/2013 7:00 AM 0.00 0.0 M M M
6/14/2013 7:00 AM 0.00 0.0 M M M
6/15/2013 7:00 AM 0.00 0.0 M M M
6/16/2013 7:00 AM 0.00 0.0 M M M
6/17/2013 7:00 AM 0.00 0.0 M M M
6/18/2013 7:00 AM 0.00 0.0 M M M
6/19/2013 7:00 AM 0.00 0.0 M M M
6/20/2013 7:00 AM 0.00 0.0 M M M
6/21/2013 7:00 AM 0.00 0.0 M M M
6/22/2013 7:00 AM 0.00 0.0 M M M
6/23/2013 7:00 AM 0.00 0.0 M M M
6/24/2013 7:00 AM 0.00 0.0 M M M
6/25/2013 7:00 AM 0.00 0.0 M M M Precipitation values for this site have been entered as comments on station AZ-PM-88 since 2011.
6/26/2013 7:00 AM 0.00 0.0 M M M
6/27/2013 7:00 AM 0.00 0.0 M M M
6/28/2013 7:00 AM 0.00 0.0 M M M
6/29/2013 7:00 AM 0.00 0.0 M M M
6/30/2013 7:00 AM T M M M M A very few drops under breezy conditions just after 7 PM LST; was 99 F!
7/1/2013 7:00 AM T M M M M A very few drop images on dust-covered surfaces. Wind gusts before sprinkles to 40 mph.
7/2/2013 7:00 AM 0.06 M M M M Fell after 0330 LST. Outflow wind gusts to 40 mph. Misread Davis chart. Also, 0.06 in non-recording NWS-style gauge adjacent to Davis.
7/3/2013 7:00 AM 0.00 0.0 M M M Blast from the N hit about 9 PM AST with momentary gusts 60-70 mph, streamers of dust racing down Equestrian Trail Road, halting traffic momentarily. Davis peak 1 min wind speed, 41 mph. Blew over WM bin weighing at least 100 lbs!
7/4/2013 7:00 AM T M M M M A very few drops fell at 0940 AST as a line of Ac cas-small Cbs passed overhead. Heavier rain fell omtns NE, enough to cause rocks to glisten in sun.
7/5/2013 7:00 AM 0.00 0.0 M M M
7/6/2013 7:00 AM T M M M M Evening R--- (triple minus) from stratiform debris cloud leftover from large Cbs earlier in day toward TUS.
7/7/2013 7:00 AM 0.00 0.0 M M M
7/8/2013 7:00 AM 0.02 M M M M Just missed good dump about 4 pm; cell unloaded to to S-SW.
7/9/2013 7:00 AM T M M M M A few drops around 7 PM from stratiform debris layer and again before ob time this morning.
7/10/2013 7:00 AM T M M M M A few drops overnight from stratiform clouds.
7/11/2013 7:00 AM 0.17 M M M M 0.18 inches in 8-inch non-recording gauge shielded from wind at same site.
7/12/2013 7:00 AM T M M M M A few drops at 1:50 PM local.
7/13/2013 7:00 AM 0.22 M M M M Rare mid-morning thunderstorm. Puddles formed.
7/14/2013 7:00 AM T M M M M A few drops from Cb overhang on two occasions, one was at 2:08 PM local.
7/15/2013 7:00 AM 0.00 0.0 M M M
7/16/2013 7:00 AM 1.90 M M M M Several thunderstorms beginning at 6 PM continuing to after midnight. 1.90 inches also measured in an adjacent NWS 8 -inch non-recording gauge.
7/17/2013 7:00 AM T M M M M
7/18/2013 7:00 AM T M M M M A few drop images on car from overnight spkl.
7/19/2013 7:00 AM 0.00 0.0 M M M
7/20/2013 7:00 AM 0.02 M M M M Somewhat doubtful though radar history had a tiny echo go by. Still, might be condensation in tipping bucket this coolest morning in weeks (71 F)
7/21/2013 7:00 AM T M M M M A brief sprinkle in the early afternoon. More rain SE-SW from this cell.
7/22/2013 7:00 AM 0.06 M M M M early afternoon RW-, no thunder. May have been "warm rain" (no ice) event.
7/23/2013 7:00 AM 0.01 M M M M "Blow off" RW-- from Cb upper portions of Cbs situated on Cat Mountains during afternoon. Lasted about a hour.
7/24/2013 7:00 AM 0.00 0.0 M M M
7/25/2013 7:00 AM 0.05 M M M M Evening light rain showers. Three LTG flashes over about an hour is all.
7/26/2013 7:00 AM 0.18 M M M M Steady light rain in early afternoon from regenerating Cb on mountains NE.
7/27/2013 7:00 AM 0.17 M M M M TSTM, RW- in early afternoon. Core N over Saddlebrooke.
7/28/2013 7:00 AM 0.01 M M M M Trace in NWS style gauge. Brief RW- around noon.
7/29/2013 7:00 AM 0.00 0.0 M M M
7/30/2013 7:00 AM 0.00 0.0 M M M
7/31/2013 7:00 AM 0.00 0.0 M M M
8/1/2013 7:00 AM 0.07 M M M M Two afternoon periods of RW-; no thunder.
8/2/2013 7:00 AM T M M M M Period of RW-- in afternoon.
8/3/2013 7:00 AM T M M M M Our "usual" afternoon RW-- from Cbs OMTNS NE-E
8/4/2013 7:00 AM 0.00 0.0 M M M
8/5/2013 7:00 AM T M M M M Early afternoon drops from a stratiform deck, then RW-- with OCNL LTG NE between 4 and 5 AM AST.
8/6/2013 7:00 AM 0.09 M M M M RW- overnight. SOme LTG visible to distant E. 0.05 inches in adjacent NWS 8-inch gauge.
8/7/2013 7:00 AM T M M M M Few drops in mid-afternoon and this morning before 7 AM. Nice rainbow this morning.
8/8/2013 7:00 AM 0.00 0.0 M M M
8/9/2013 7:00 AM 0.00 0.0 M M M
8/10/2013 7:00 AM 0.00 0.0 M M M
8/11/2013 7:00 AM 0.00 0.0 M M M
8/12/2013 7:00 AM T M M M M Afternoon drops from nearby shaft to NE-E.
8/13/2013 7:00 AM 0.00 0.0 M M M Sprinkles fell just NE of us.
8/14/2013 7:00 AM 0.00 0.0 M M M
8/15/2013 7:00 AM 0.00 0.0 M M M
8/16/2013 7:00 AM T M M M M OCNL SPKLS from overhead Cu cong after 6 PM through 8 pM. TSTMS OMTNS E-S during evening.
8/17/2013 7:00 AM 0.20 M M M M Fell in TSTM 8-9 PM AST. 0.22 in NWS style 8-inch gauge adjacent to Davis TB. Suspect almost 0.01 remains in bucket.
8/18/2013 7:00 AM 0.00 0.0 M M M
8/19/2013 7:00 AM 0.00 0.0 M M M
8/20/2013 7:00 AM 0.00 0.0 M M M
8/21/2013 7:00 AM T M M M M RW-- in afternoon and again in the evening from stratiform debris clouds. RW-- was widespread over TUS in the evening. Thunder heard from 12:25 PM through dusk.
8/22/2013 7:00 AM T M M M M Two periods of sprinkles, the second longer one between 6:05 and 6:20 PM from weak Cb whose remains drifted off the Catalina Mountains.
8/23/2013 7:00 AM 0.14 M M M M Was not present for this event, damn; but rather drove through blinding rain down around Oracle Road, Magee to Ina intersections.
8/24/2013 7:00 AM 0.74 M M M M Fell in two episodes, a late morning one, 0.14 inches, no thunder, and a late afternoon blast, 0.59 inches, lots of C-G LTG. Was not at home for 2nd event. Just now realized I missed 0.01 inches overnight!
8/25/2013 7:00 AM 0.04 M M M M Fell as R- between 10 and 11 PM.
8/26/2013 7:00 AM 0.28 M M M M Fell in two episodes, TSTM in late afternoon, 0.22 inches; nice dusk tropical-like RW, no thunder, 0.06 inches
8/27/2013 7:00 AM T M M M M Several sprinkles during the afternoon, then just after nightfall. Lots of strong shafts in the vicinity beginning at 1325 LST
8/28/2013 7:00 AM 0.00 0.0 M M M
8/29/2013 7:00 AM 0.01 M M M M Oops! Bucket tipped just before 0700 as rain picked up briefly to RW-. Appears to be a "warm rain" event, no ice, as a guess. Brief RW-- about 4:30 PM, and again after 6 AM this morning.
8/30/2013 7:00 AM 0.37 M M M M 0.34 in mid-morning during R-- to briefly R, no thunder; last 0.03 in fading shower, no thunder, after 4:30 PM.
8/31/2013 7:00 AM 0.00 0.0 M M M
9/1/2013 7:00 AM 0.00 0.0 M M M
9/2/2013 7:00 AM 0.00 0.0 M M M
9/3/2013 7:00 AM T M M M M A few small and sparse drops from mid-layer clouds during the day.
9/4/2013 7:00 AM 0.00 0.0 M M M
9/5/2013 7:00 AM 0.00 0.0 M M M
9/6/2013 7:00 AM 0.00 0.0 M M M
9/7/2013 7:00 AM 0.42 M M M M Three separate TSTM events produced similar amounts, 0.10, 0.15, and 0.17 inches, the latter just after midnight, first two after 12 noon.
9/8/2013 7:00 AM 0.03 M M M M Fell between 0300 and 0500 LST as R--.
9/9/2013 7:00 AM 0.05 M M M M R--, 0.04 in late afternoon through midnight, then 0.01 just before ob time.
9/10/2013 7:00 AM 0.19 M M M M 0.09 in morning R- just after ob time, TSTM just after midnight, 0.10 inches.
9/11/2013 7:00 AM T M M M M A very few drops fell at 1237 and again at 1240 as a modest Cu congestus passed overhead. If you weren't outside, you would have missed. About as minimum as a trace can be, but I nailed it by waiting around outside for it to happen as cloud approached.
9/12/2013 7:00 AM 0.00 0.0 M M M
9/13/2013 7:00 AM 0.00 0.0 M M M
9/14/2013 7:00 AM 0.00 0.0 M M M
9/15/2013 7:00 AM 0.00 0.0 M M M
9/16/2013 7:00 AM 0.00 0.0 M M M
9/17/2013 7:00 AM T 0.0 M M M Forgot about remnant of TSTM to NW passed over with a few drops in afternoon.
9/18/2013 7:00 AM 0.00 0.0 M M M
9/19/2013 7:00 AM 0.00 0.0 M M M
9/20/2013 7:00 AM 0.00 0.0 M M M
9/21/2013 7:00 AM 0.00 0.0 M M M
9/22/2013 7:00 AM 0.08 0.0 M M M Hard shower for several minutes just after 8:30 PM. No LTG seen.
9/23/2013 7:00 AM 0.17 M M M M Violent, quickly passing late morning TSTM with gusts to 40 mph.
9/24/2013 7:00 AM 0.00 0.0 M M M
9/25/2013 7:00 AM 0.00 0.0 M M M
9/26/2013 7:00 AM 0.00 0.0 M M M
9/27/2013 7:00 AM 0.00 0.0 M M M
9/28/2013 7:00 AM T M M M M A few small drops fell from Sc between 0810-0812.
9/29/2013 7:00 AM 0.00 0.0 M M M
9/30/2013 7:00 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes



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