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Built 2026-10-15 (15 October 2026)

Picacho 8 SE Weather Records (USC00026513)

Record envelope, standing records and threshold days for Picacho 8 SE (USC00026513), Arizona, United States, with 40 years of record.

Key Facts for Picacho 8 SE

  • Picacho 8 SE (USC00026513) is a weather station in Arizona, United States at 32.65 latitude and -111.40 longitude, 604 m (1,981 ft) above sea level.
  • The station reports from 1987 to 2026, 40 years of record.
  • 1,464 records set at Picacho 8 SE still stand.
  • Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
  • Picacho 8 SE tied a daily record high maximum temperature of 40.0 C (104.0 F) on 8 October 2026 (provisional).

Provisional Records

Records set in the last 60 days are provisional until they clear the revision window.

About the Station

  • Location: Arizona, United States, 32.65 latitude, -111.40 longitude.
  • Elevation: 604 m (1,981 ft).
  • Period of record: 1987 to 2026, 40 years.
  • Eligible elements: tmax, tmin, prcp.

Daily Record Envelope and 2026

44 days at or beyond a record
Daily record high and record low at Picacho 8 SE, with 2026 drawn through them The band shows the record high and record low for each calendar day at Picacho 8 SE. The lines show the 2026 daily maximum and minimum. 44 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -200204060 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Picacho 8 SE. The lines show the 2026 daily maximum and minimum. 44 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Picacho 8 SE, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan29.4 C (84.9 F)-7.8 C (18.0 F)26.7 C (80.1 F)1.1 C (34.0 F)
Feb33.3 C (91.9 F)-7.2 C (19.0 F)33.3 C (91.9 F)1.7 C (35.1 F)
Mar41.1 C (106.0 F)-1.1 C (30.0 F)41.1 C (106.0 F)8.3 C (46.9 F)
Apr40.6 C (105.1 F)2.2 C (36.0 F)36.7 C (98.1 F)10.0 C (50.0 F)
May44.4 C (111.9 F)5.6 C (42.1 F)43.9 C (111.0 F)11.7 C (53.1 F)
Jun47.8 C (118.0 F)10.0 C (50.0 F)43.3 C (109.9 F)19.4 C (66.9 F)
Jul48.3 C (118.9 F)16.7 C (62.1 F)45.6 C (114.1 F)18.9 C (66.0 F)
Aug45.6 C (114.1 F)16.7 C (62.1 F)45.0 C (113.0 F)20.6 C (69.1 F)
Sep45.6 C (114.1 F)11.1 C (52.0 F)40.6 C (105.1 F)15.6 C (60.1 F)
Oct43.9 C (111.0 F)1.7 C (35.1 F)40.0 C (104.0 F)17.8 C (64.0 F)
Nov37.8 C (100.0 F)-3.3 C (26.1 F)n/an/a
Dec28.9 C (84.0 F)-6.7 C (19.9 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Picacho 8 SE by the year they were set 1,464 records at Picacho 8 SE still stand. 1990 holds the most, with 62. 0204060801987: 71988: 361989: 551990: 621991: 161992: 311993: 321994: 441995: 491996: 421997: 231998: 601999: 392000: 572001: 412002: 252003: 452004: 342005: 202006: 392007: 222008: 232009: 312010: 372011: 322012: 242013: 352014: 262015: 292016: 482017: 402018: 312019: 412020: 512021: 432022: 232023: 372024: 442025: 332026: 571987199119951999200320072011201520192023
1,464 records at Picacho 8 SE still stand. 1990 holds the most, with 62.
Standing records at Picacho 8 SE by the year they were set
Year setStanding records
19877
198836
198955
199062
199116
199231
199332
199444
199549
199642
199723
199860
199939
200057
200141
200225
200345
200434
200520
200639
200722
200823
200931
201037
201132
201224
201335
201426
201529
201648
201740
201831
201941
202051
202143
202223
202337
202444
202533
202657

Wettest Day of Each Month

Aug: 80.5 mm (3.2 in)
Record daily precipitation for each month at Picacho 8 SE The wettest day on record for each calendar month at Picacho 8 SE. The most was 80.5 mm (3.2 in) on 15 August 1990. 0255075100 Jan: 46.2 mm (1.8 in), 22 January 2010 Jan Feb: 69.9 mm (2.8 in), 15 February 1995 Feb Mar: 35.1 mm (1.4 in), 28 March 1992 Mar Apr: 31.5 mm (1.2 in), 16 April 1988 Apr May: 23.6 mm (0.9 in), 5 May 2015 May Jun: 43.4 mm (1.7 in), 16 June 2018 Jun Jul: 68.6 mm (2.7 in), 25 July 2021 Jul Aug: 80.5 mm (3.2 in), 15 August 1990 Aug Sep: 26.2 mm (1.0 in), 3 September 2018 Sep Oct: 43.2 mm (1.7 in), 20 October 2015 Oct Nov: 58.2 mm (2.3 in), 20 November 2019 Nov Dec: 42.7 mm (1.7 in), 4 December 2022 Dec
The wettest day on record for each calendar month at Picacho 8 SE. The most was 80.5 mm (3.2 in) on 15 August 1990.
Record daily precipitation for each month at Picacho 8 SE
MonthRecord daily precipitation (mm)Date
Jan46.2 mm (1.8 in)22 January 2010
Feb69.9 mm (2.8 in)15 February 1995
Mar35.1 mm (1.4 in)28 March 1992
Apr31.5 mm (1.2 in)16 April 1988
May23.6 mm (0.9 in)5 May 2015
Jun43.4 mm (1.7 in)16 June 2018
Jul68.6 mm (2.7 in)25 July 2021
Aug80.5 mm (3.2 in)15 August 1990
Sep26.2 mm (1.0 in)3 September 2018
Oct43.2 mm (1.7 in)20 October 2015
Nov58.2 mm (2.3 in)20 November 2019
Dec42.7 mm (1.7 in)4 December 2022

Period of Record Coverage

1987 to 2026
Days with data per year at Picacho 8 SE 40 years of record at Picacho 8 SE, 1987 to 2026. 17 years have data for under 90 percent of days and are left out of rankings: 1987, 1991, 1994, 2000, 2005, 2006, 2007, 2008 and others. 1987: 24 of 365 days1988: 342 of 366 days1989: 355 of 365 days1990: 353 of 365 days1991: 132 of 365 days1992: 351 of 366 days1993: 353 of 365 days1994: 326 of 365 days1995: 349 of 365 days1996: 349 of 366 days1997: 354 of 365 days1998: 358 of 365 days1999: 353 of 365 days2000: 322 of 366 days2001: 346 of 365 days2002: 333 of 365 days2003: 350 of 365 days2004: 352 of 366 days2005: 297 of 365 days2006: 324 of 365 days2007: 321 of 365 days2008: 319 of 366 days2009: 301 of 365 days2010: 348 of 365 days2011: 322 of 365 days2012: 330 of 366 days2013: 289 of 365 days2014: 328 of 365 days2015: 313 of 365 days2016: 308 of 366 days2017: 339 of 365 days2018: 325 of 365 days2019: 330 of 365 days2020: 325 of 366 days2021: 348 of 365 days2022: 336 of 365 days2023: 362 of 365 days2024: 366 of 366 days2025: 365 of 365 days2026: 280 of 365 days19901995200020052010201520202025
40 years of record at Picacho 8 SE, 1987 to 2026. 17 years have data for under 90 percent of days and are left out of rankings: 1987, 1991, 1994, 2000, 2005, 2006, 2007, 2008 and others.
Days with data per year at Picacho 8 SE
YearDays with dataShare of yearComplete
1987247%No
198834293%Yes
198935597%Yes
199035397%Yes
199113236%No
199235196%Yes
199335397%Yes
199432689%No
199534996%Yes
199634995%Yes
199735497%Yes
199835898%Yes
199935397%Yes
200032288%No
200134695%Yes
200233391%Yes
200335096%Yes
200435296%Yes
200529781%No
200632489%No
200732188%No
200831987%No
200930182%No
201034895%Yes
201132288%No
201233090%Yes
201328979%No
201432890%No
201531386%No
201630884%No
201733993%Yes
201832589%No
201933090%Yes
202032589%No
202134895%Yes
202233692%Yes
202336299%Yes
2024366100%Yes
2025365100%Yes
202628077%No

Latest Records

20
Latest records at Picacho 8 SE
DateStationRecordValueBeat old record byOld record stoodSignificance
8 October 2026Picacho 8 SE, USdaily high max (Tie, Provisional)40.0 C (104.0 F)tie1 year1 of 100 (Routine)
29 September 2026Picacho 8 SE, USmonthly rain (Provisional)57.2 mm (2.3 in)31.0 mm (1.2 in)8 years56 of 100 (Notable)
17 September 2026Picacho 8 SE, USdaily rain (Provisional)19.3 mm (0.8 in)16.5 mm (0.6 in)12 years20 of 100 (Routine)
15 September 2026Picacho 8 SE, USdaily rain (Provisional)7.6 mm (0.30 in)7.6 mm (0.30 in)37 years20 of 100 (Routine)
14 September 2026Picacho 8 SE, USdaily high min (Provisional)28.3 C (82.9 F)0.5 C (0.9 F)36 years15 of 100 (Routine)
11 September 2026Picacho 8 SE, USdaily high min (Provisional)27.8 C (82.0 F)0.6 C (1.1 F)8 years7 of 100 (Routine)
10 September 2026Picacho 8 SE, USdaily high min (Provisional)27.8 C (82.0 F)0.6 C (1.1 F)0 years5 of 100 (Routine)
8 September 2026Picacho 8 SE, USdaily high min (Provisional)28.3 C (82.9 F)1.1 C (2.0 F)8 years9 of 100 (Routine)
31 August 2026Picacho 8 SE, USdaily rain (Provisional)24.1 mm (0.9 in)22.3 mm (0.9 in)35 years20 of 100 (Routine)
29 August 2026Picacho 8 SE, USdaily high min (Provisional)30.6 C (87.1 F)1.2 C (2.2 F)3 years8 of 100 (Routine)
28 August 2026Picacho 8 SE, USdaily high min (Tie, Provisional)30.6 C (87.1 F)tie31 years3 of 100 (Routine)
27 August 2026Picacho 8 SE, USdaily high max (Tie, Provisional)43.3 C (109.9 F)tie24 years2 of 100 (Routine)
24 August 2026Picacho 8 SE, USdaily rain (Provisional)17.8 mm (0.7 in)2.6 mm (0.10 in)33 years16 of 100 (Routine)
23 August 2026Picacho 8 SE, USdaily high max (Provisional)44.4 C (111.9 F)1.6 C (2.9 F)27 years17 of 100 (Routine)
23 August 2026Picacho 8 SE, USdaily high min (Provisional)31.1 C (88.0 F)1.1 C (2.0 F)32 years17 of 100 (Routine)
22 August 2026Picacho 8 SE, USdaily high max (Provisional)45.0 C (113.0 F)1.7 C (3.1 F)27 years18 of 100 (Routine)
19 August 2026Picacho 8 SE, USdaily high max (Provisional)44.4 C (111.9 F)2.2 C (4.0 F)32 years20 of 100 (Routine)
19 August 2026Picacho 8 SE, USdaily high min (Provisional)30.6 C (87.1 F)0.6 C (1.1 F)32 years15 of 100 (Routine)
18 August 2026Picacho 8 SE, USdaily high min (Provisional)31.1 C (88.0 F)0.5 C (0.9 F)15 years9 of 100 (Routine)
9 August 2026Picacho 8 SE, USdaily high max (Tie)43.9 C (111.0 F)tie31 years3 of 100 (Routine)

Climate Trend

28 complete years, 1988 to 2025
Annual mean temperature at Picacho 8 SE as warming stripes, 1988 to 2025 One stripe for each of 28 complete years at Picacho 8 SE, 1988 to 2025. Blue stripes are years cooler than the station's own mean of 22.6 C (72.7 F); red stripes are warmer. The coolest year was 1998, at 21.4 C (70.6 F), and the warmest was 2017, at 23.8 C (74.8 F). The strongest colour marks a difference of 1.2 C (2.2 F). 1988: 22.3 C, -0.3 C from the station mean1989: 23.0 C, +0.4 C from the station mean1990: 21.9 C, -0.7 C from the station mean1992: 21.7 C, -1.0 C from the station mean1993: 21.7 C, -0.9 C from the station mean1995: 22.4 C, -0.2 C from the station mean1996: 23.0 C, +0.4 C from the station mean1997: 22.9 C, +0.3 C from the station mean1998: 21.4 C, -1.2 C from the station mean1999: 22.7 C, 0.0 C from the station mean2001: 22.7 C, +0.1 C from the station mean2002: 22.7 C, +0.1 C from the station mean2003: 22.8 C, +0.2 C from the station mean2004: 22.1 C, -0.5 C from the station mean2010: 22.3 C, -0.4 C from the station mean2011: 22.3 C, -0.3 C from the station mean2012: 23.1 C, +0.5 C from the station mean2014: 22.9 C, +0.3 C from the station mean2015: 22.4 C, -0.2 C from the station mean2016: 23.4 C, +0.8 C from the station mean2017: 23.8 C, +1.1 C from the station mean2019: 21.9 C, -0.7 C from the station mean2020: 23.4 C, +0.8 C from the station mean2021: 23.0 C, +0.4 C from the station mean2022: 22.5 C, -0.2 C from the station mean2023: 22.6 C, -0.1 C from the station mean2024: 23.1 C, +0.5 C from the station mean2025: 23.6 C, +1.0 C from the station mean19881995200020052010201520202025
One stripe for each of 28 complete years at Picacho 8 SE, 1988 to 2025. Blue stripes are years cooler than the station's own mean of 22.6 C (72.7 F); red stripes are warmer. The coolest year was 1998, at 21.4 C (70.6 F), and the warmest was 2017, at 23.8 C (74.8 F). The strongest colour marks a difference of 1.2 C (2.2 F).
Annual mean temperature at Picacho 8 SE as warming stripes, 1988 to 2025
YearAnnual mean temperatureDifference from the station mean
198822.3 C-0.31 C
198923.0 C+0.37 C
199021.9 C-0.69 C
199221.7 C-0.95 C
199321.7 C-0.94 C
199522.4 C-0.19 C
199623.0 C+0.41 C
199722.9 C+0.27 C
199821.4 C-1.19 C
199922.7 C+0.04 C
200122.7 C+0.07 C
200222.7 C+0.10 C
200322.8 C+0.20 C
200422.1 C-0.54 C
201022.3 C-0.37 C
201122.3 C-0.32 C
201223.1 C+0.48 C
201422.9 C+0.30 C
201522.4 C-0.20 C
201623.4 C+0.78 C
201723.8 C+1.13 C
201921.9 C-0.71 C
202023.4 C+0.76 C
202123.0 C+0.38 C
202222.5 C-0.17 C
202322.6 C-0.08 C
202423.1 C+0.50 C
202523.6 C+0.98 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1987 to 2026
Yearly extremes at Picacho 8 SE: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)48.3 C (118.9 F)199545.0 C (113.0 F)40
Coldest night (TNn)-7.8 C (18.0 F)2007-3.3 C (26.1 F)40
Wettest day (Rx1day)80.5 mm (3.2 in)199030.5 mm (1.2 in)40
Wettest five days (Rx5day)139.0 mm (5.5 in)199043.6 mm (1.7 in)40
Longest dry spell (CDD)116 days199663 days40

Hottest day (TXx)

Hottest day (TXx) at Picacho 8 SE by year The hottest day of the year at Picacho 8 SE, 1987 to 2026. The record is 48.3 C (118.9 F) in 1995, marked on the chart; the median year is 45.0 C (113.0 F). 203040501990200020102020Record: 48.3 C (118.9 F) in 1995
The hottest day of the year at Picacho 8 SE, 1987 to 2026. The record is 48.3 C (118.9 F) in 1995, marked on the chart; the median year is 45.0 C (113.0 F).
Hottest day (TXx) at Picacho 8 SE by year
YearHottest day (TXx)
198725.0 C (77.0 F)
198845.0 C (113.0 F)
198946.7 C (116.1 F)
199047.8 C (118.0 F)
199134.4 C (93.9 F)
199244.4 C (111.9 F)
199345.6 C (114.1 F)
199447.8 C (118.0 F)
199548.3 C (118.9 F)
199646.1 C (115.0 F)
199745.0 C (113.0 F)
199847.8 C (118.0 F)
199943.9 C (111.0 F)
200045.0 C (113.0 F)
200146.1 C (115.0 F)
200244.4 C (111.9 F)
200346.1 C (115.0 F)
200443.9 C (111.0 F)
200545.0 C (113.0 F)
200645.0 C (113.0 F)
200745.0 C (113.0 F)
200845.0 C (113.0 F)
200944.4 C (111.9 F)
201043.9 C (111.0 F)
201145.6 C (114.1 F)
201244.4 C (111.9 F)
201345.6 C (114.1 F)
201443.9 C (111.0 F)
201543.9 C (111.0 F)
201646.1 C (115.0 F)
201746.1 C (115.0 F)
201844.4 C (111.9 F)
201943.9 C (111.0 F)
202045.6 C (114.1 F)
202146.1 C (115.0 F)
202243.9 C (111.0 F)
202345.6 C (114.1 F)
202444.4 C (111.9 F)
202545.6 C (114.1 F)
202645.6 C (114.1 F)

Coldest night (TNn)

Coldest night (TNn) at Picacho 8 SE by year The coldest night of the year at Picacho 8 SE, 1987 to 2026. The record is -7.8 C (18.0 F) in 2007, marked on the chart; the median year is -3.3 C (26.1 F). -10-7.5-5-2.502.51990200020102020Record: -7.8 C (18.0 F) in 2007
The coldest night of the year at Picacho 8 SE, 1987 to 2026. The record is -7.8 C (18.0 F) in 2007, marked on the chart; the median year is -3.3 C (26.1 F).
Coldest night (TNn) at Picacho 8 SE by year
YearColdest night (TNn)
1987-4.4 C (24.1 F)
1988-4.4 C (24.1 F)
1989-3.3 C (26.1 F)
1990-3.9 C (25.0 F)
1991-2.2 C (28.0 F)
1992-1.7 C (28.9 F)
1993-3.3 C (26.1 F)
1994-3.3 C (26.1 F)
1995-0.6 C (30.9 F)
1996-3.3 C (26.1 F)
1997-2.2 C (28.0 F)
1998-6.7 C (19.9 F)
1999-3.9 C (25.0 F)
2000-2.8 C (27.0 F)
2001-2.2 C (28.0 F)
2002-3.9 C (25.0 F)
2003-5.0 C (23.0 F)
2004-3.3 C (26.1 F)
2005-4.4 C (24.1 F)
2006-4.4 C (24.1 F)
2007-7.8 C (18.0 F)
2008-3.3 C (26.1 F)
2009-1.7 C (28.9 F)
2010-3.3 C (26.1 F)
2011-7.2 C (19.0 F)
2012-1.1 C (30.0 F)
2013-7.2 C (19.0 F)
2014-2.2 C (28.0 F)
2015-6.1 C (21.0 F)
2016-2.8 C (27.0 F)
2017-3.3 C (26.1 F)
2018-1.1 C (30.0 F)
2019-2.8 C (27.0 F)
2020-4.4 C (24.1 F)
2021-0.6 C (30.9 F)
2022-2.8 C (27.0 F)
2023-2.2 C (28.0 F)
2024-1.7 C (28.9 F)
2025-3.9 C (25.0 F)
20261.1 C (34.0 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Picacho 8 SE by year The wettest day of the year at Picacho 8 SE, 1987 to 2026. The record is 80.5 mm (3.2 in) in 1990, marked on the chart; the median year is 30.5 mm (1.2 in). 0204060801001990200020102020Record: 80.5 mm (3.2 in) in 1990
The wettest day of the year at Picacho 8 SE, 1987 to 2026. The record is 80.5 mm (3.2 in) in 1990, marked on the chart; the median year is 30.5 mm (1.2 in).
Wettest day (Rx1day) at Picacho 8 SE by year
YearWettest day (Rx1day)
198714.0 mm (0.6 in)
198835.6 mm (1.4 in)
198922.1 mm (0.9 in)
199080.5 mm (3.2 in)
199137.1 mm (1.5 in)
199235.1 mm (1.4 in)
199345.2 mm (1.8 in)
199430.0 mm (1.2 in)
199569.9 mm (2.8 in)
199651.3 mm (2.0 in)
199718.8 mm (0.7 in)
199822.9 mm (0.9 in)
199918.5 mm (0.7 in)
200030.5 mm (1.2 in)
200126.4 mm (1.0 in)
200230.5 mm (1.2 in)
200323.1 mm (0.9 in)
200422.6 mm (0.9 in)
200532.5 mm (1.3 in)
200658.9 mm (2.3 in)
200730.0 mm (1.2 in)
200826.4 mm (1.0 in)
200937.6 mm (1.5 in)
201046.2 mm (1.8 in)
201120.3 mm (0.8 in)
201220.1 mm (0.8 in)
201348.3 mm (1.9 in)
201422.1 mm (0.9 in)
201543.2 mm (1.7 in)
201629.5 mm (1.2 in)
201723.1 mm (0.9 in)
201843.4 mm (1.7 in)
201958.2 mm (2.3 in)
202018.0 mm (0.7 in)
202168.6 mm (2.7 in)
202242.7 mm (1.7 in)
202319.1 mm (0.8 in)
202427.9 mm (1.1 in)
202541.9 mm (1.6 in)
202657.2 mm (2.3 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Picacho 8 SE by year The wettest five days of the year at Picacho 8 SE, 1987 to 2026. The record is 139.0 mm (5.5 in) in 1990, marked on the chart; the median year is 43.6 mm (1.7 in). 0501001501990200020102020Record: 139.0 mm (5.5 in) in 1990
The wettest five days of the year at Picacho 8 SE, 1987 to 2026. The record is 139.0 mm (5.5 in) in 1990, marked on the chart; the median year is 43.6 mm (1.7 in).
Wettest five days (Rx5day) at Picacho 8 SE by year
YearWettest five days (Rx5day)
198730.5 mm (1.2 in)
198866.8 mm (2.6 in)
198926.9 mm (1.1 in)
1990139.0 mm (5.5 in)
199138.9 mm (1.5 in)
199263.0 mm (2.5 in)
199393.9 mm (3.7 in)
199435.3 mm (1.4 in)
199580.3 mm (3.2 in)
199654.3 mm (2.1 in)
199735.8 mm (1.4 in)
199846.7 mm (1.8 in)
199933.7 mm (1.3 in)
200057.2 mm (2.3 in)
200129.5 mm (1.2 in)
200235.6 mm (1.4 in)
200333.1 mm (1.3 in)
200437.9 mm (1.5 in)
200545.4 mm (1.8 in)
200675.9 mm (3.0 in)
200730.0 mm (1.2 in)
200827.2 mm (1.1 in)
200943.0 mm (1.7 in)
201066.3 mm (2.6 in)
201131.7 mm (1.2 in)
201237.1 mm (1.5 in)
201348.3 mm (1.9 in)
201427.7 mm (1.1 in)
201590.0 mm (3.5 in)
201636.7 mm (1.4 in)
201744.2 mm (1.7 in)
201868.4 mm (2.7 in)
201984.4 mm (3.3 in)
202025.6 mm (1.0 in)
2021117.5 mm (4.6 in)
202266.1 mm (2.6 in)
202338.9 mm (1.5 in)
202442.2 mm (1.7 in)
202555.1 mm (2.2 in)
202660.8 mm (2.4 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Picacho 8 SE by year The longest dry spell of the year at Picacho 8 SE, 1987 to 2026. The record is 116 days in 1996, marked on the chart; the median year is 63 days. 0501001501990200020102020Record: 116 days in 1996
The longest dry spell of the year at Picacho 8 SE, 1987 to 2026. The record is 116 days in 1996, marked on the chart; the median year is 63 days.
Longest dry spell (CDD) at Picacho 8 SE by year
YearLongest dry spell (CDD)
198711 days
198867 days
198994 days
199035 days
199176 days
199236 days
199347 days
199432 days
199567 days
1996116 days
199774 days
199894 days
199999 days
200082 days
200156 days
200297 days
200393 days
200499 days
200569 days
200672 days
200750 days
200844 days
200946 days
201085 days
201171 days
201265 days
2013114 days
201459 days
201536 days
201653 days
201760 days
201830 days
201933 days
202028 days
202152 days
202245 days
202365 days
202488 days
202552 days
202655 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Frost Dates and Growing Season

24 years with a frost

Across 24 years with a frost, the median last spring frost at Picacho 8 SE falls on 7 February and the median first autumn frost on 6 December, which leaves a median of 300 days between them.

Frost dates and growing season at Picacho 8 SE
MeasureMedian, all yearsEarliest periodRecent period (1988 to 2024)Recent against earliestFitted trend
Last spring frost7 Februaryn/a7 Februaryn/an/a
First autumn frost6 Decembern/a6 Decembern/an/a
Growing days300 daysn/a300 daysn/an/a

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Rainfall Return Levels

32 years, 1988 to 2025

A day with at least 32.6 mm (1.3 in) of rain is expected about once in 2 years. A day with at least 102.1 mm (4.0 in) of rain is expected about once in 100 years.

Rainfall return levels at Picacho 8 SE: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years32.6 mm (1.3 in)
5 years47.4 mm (1.9 in)
10 years58.6 mm (2.3 in)
25 years74.4 mm (2.9 in)
50 years87.6 mm (3.4 in)Longer than the 32 years of record
100 years102.1 mm (4.0 in)Longer than the 32 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 32 years of values from 1988 to 2025.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 80.5 mm (3.2 in) in 1990; 69.9 mm (2.8 in) in 1995; 68.6 mm (2.7 in) in 2021.

Download the Data

  • Data for Picacho 8 SE standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Picacho 8 SE threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-13).