Built 2026-10-15 (15 October 2026)

Columbine Arizona Weather Records (USR0000ACOL)

Record envelope, standing records and threshold days for Columbine Arizona (USR0000ACOL), Arizona, United States, with 33 years of record.

Key Facts for Columbine Arizona

  • Columbine Arizona (USR0000ACOL) is a weather station in Arizona, United States at 32.70 latitude and -109.91 longitude, 2,902 m (9,521 ft) above sea level.
  • The station reports from 1991 to 2023, 33 years of record.
  • 1,464 records set at Columbine Arizona still stand.
  • Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
  • Columbine Arizona set a monthly record low maximum temperature of 7.2 C (45.0 F) on 30 September 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, 32.70 latitude, -109.91 longitude.
  • Elevation: 2,902 m (9,521 ft).
  • Period of record: 1991 to 2023, 33 years.
  • Eligible elements: tmax, tmin.

Daily Record Envelope and 2026

25 days at or beyond a record
Daily record high and record low at Columbine Arizona, with 2026 drawn through them The band shows the record high and record low for each calendar day at Columbine Arizona. The lines show the 2026 daily maximum and minimum. 25 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -40-2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Columbine Arizona. The lines show the 2026 daily maximum and minimum. 25 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Columbine Arizona, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan18.9 C (66.0 F)-23.9 C (-11.0 F)15.6 C (60.1 F)-14.4 C (6.1 F)
Feb18.3 C (64.9 F)-25.6 C (-14.1 F)17.2 C (63.0 F)-9.4 C (15.1 F)
Mar22.2 C (72.0 F)-16.7 C (1.9 F)22.2 C (72.0 F)-5.0 C (23.0 F)
Apr22.2 C (72.0 F)-12.2 C (10.0 F)15.6 C (60.1 F)-6.7 C (19.9 F)
May27.2 C (81.0 F)-7.8 C (18.0 F)21.7 C (71.1 F)-5.0 C (23.0 F)
Jun28.9 C (84.0 F)-1.7 C (28.9 F)26.7 C (80.1 F)4.4 C (39.9 F)
Jul30.0 C (86.0 F)-0.6 C (30.9 F)29.4 C (84.9 F)8.3 C (46.9 F)
Aug27.2 C (81.0 F)1.1 C (34.0 F)26.1 C (79.0 F)7.2 C (45.0 F)
Sep26.1 C (79.0 F)-4.4 C (24.1 F)22.2 C (72.0 F)1.1 C (34.0 F)
Oct22.8 C (73.0 F)-11.7 C (10.9 F)18.3 C (64.9 F)2.2 C (36.0 F)
Nov20.6 C (69.1 F)-16.1 C (3.0 F)n/an/a
Dec21.7 C (71.1 F)-21.1 C (-6.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Columbine Arizona by the year they were set 1,464 records at Columbine Arizona still stand. 2000 holds the most, with 72. 0204060801991: 11992: 381993: 321994: 591995: 581996: 611997: 431998: 511999: 232000: 722001: 512002: 432003: 502004: 482005: 312006: 302007: 292008: 322009: 382010: 452011: 472012: 242013: 412014: 222015: 372016: 362017: 442018: 312019: 382020: 632021: 352022: 272023: 512024: 262025: 602026: 47199119951999200320072011201520192023
1,464 records at Columbine Arizona still stand. 2000 holds the most, with 72.
Standing records at Columbine Arizona by the year they were set
Year setStanding records
19911
199238
199332
199459
199558
199661
199743
199851
199923
200072
200151
200243
200350
200448
200531
200630
200729
200832
200938
201045
201147
201224
201341
201422
201537
201636
201744
201831
201938
202063
202135
202227
202351
202426
202560
202647

Period of Record Coverage

1991 to 2026
Days with data per year at Columbine Arizona 36 years of record at Columbine Arizona, 1991 to 2026. 7 years have data for under 90 percent of days and are left out of rankings: 1991, 1992, 1993, 1994, 1999, 2004, 2026. 1991: 15 of 365 days1992: 291 of 366 days1993: 312 of 365 days1994: 280 of 365 days1995: 360 of 365 days1996: 364 of 366 days1997: 360 of 365 days1998: 362 of 365 days1999: 212 of 365 days2000: 365 of 366 days2001: 358 of 365 days2002: 365 of 365 days2003: 361 of 365 days2004: 272 of 366 days2005: 361 of 365 days2006: 361 of 365 days2007: 361 of 365 days2008: 362 of 366 days2009: 364 of 365 days2010: 364 of 365 days2011: 362 of 365 days2012: 365 of 366 days2013: 354 of 365 days2014: 355 of 365 days2015: 364 of 365 days2016: 365 of 366 days2017: 361 of 365 days2018: 364 of 365 days2019: 365 of 365 days2020: 366 of 366 days2021: 365 of 365 days2022: 365 of 365 days2023: 365 of 365 days2024: 363 of 366 days2025: 365 of 365 days2026: 284 of 365 days1995200020052010201520202025
36 years of record at Columbine Arizona, 1991 to 2026. 7 years have data for under 90 percent of days and are left out of rankings: 1991, 1992, 1993, 1994, 1999, 2004, 2026.
Days with data per year at Columbine Arizona
YearDays with dataShare of yearComplete
1991154%No
199229180%No
199331285%No
199428077%No
199536099%Yes
199636499%Yes
199736099%Yes
199836299%Yes
199921258%No
2000365100%Yes
200135898%Yes
2002365100%Yes
200336199%Yes
200427274%No
200536199%Yes
200636199%Yes
200736199%Yes
200836299%Yes
2009364100%Yes
2010364100%Yes
201136299%Yes
2012365100%Yes
201335497%Yes
201435597%Yes
2015364100%Yes
2016365100%Yes
201736199%Yes
2018364100%Yes
2019365100%Yes
2020366100%Yes
2021365100%Yes
2022365100%Yes
2023365100%Yes
202436399%Yes
2025365100%Yes
202628478%No

Latest Records

20
Latest records at Columbine Arizona
DateStationRecordValueBeat old record byOld record stoodSignificance
30 September 2026Columbine Arizona, USmonthly low max (Provisional)7.2 C (45.0 F)0.6 C (1.1 F)22 years20 of 100 (Routine)
29 September 2026Columbine Arizona, USdaily low max (Provisional)10.6 C (51.1 F)1.6 C (2.9 F)31 years17 of 100 (Routine)
7 September 2026Columbine Arizona, USdaily high min (Tie, Provisional)10.6 C (51.1 F)tie28 years2 of 100 (Routine)
31 August 2026Columbine Arizona, USdaily low max (Tie, Provisional)14.4 C (57.9 F)tie17 years2 of 100 (Routine)
27 August 2026Columbine Arizona, USdaily high min (Provisional)13.3 C (55.9 F)1.1 C (2.0 F)3 years8 of 100 (Routine)
26 August 2026Columbine Arizona, USdaily high max (Provisional)25.6 C (78.1 F)1.2 C (2.2 F)24 years14 of 100 (Routine)
25 August 2026Columbine Arizona, USdaily high max (Tie, Provisional)25.6 C (78.1 F)tie24 years2 of 100 (Routine)
25 August 2026Columbine Arizona, USdaily high min (Tie, Provisional)11.1 C (52.0 F)tie28 years2 of 100 (Routine)
24 August 2026Columbine Arizona, USdaily high min (Provisional)11.7 C (53.1 F)1.1 C (2.0 F)4 years9 of 100 (Routine)
5 August 2026Columbine Arizona, USdaily high min12.2 C (54.0 F)0.5 C (0.9 F)7 years7 of 100 (Routine)
3 August 2026Columbine Arizona, USdaily high max26.1 C (79.0 F)0.5 C (0.9 F)32 years13 of 100 (Routine)
1 August 2026Columbine Arizona, USdaily high min12.8 C (55.0 F)1.7 C (3.1 F)4 years13 of 100 (Routine)
1 August 2026Columbine Arizona, USdaily high max (Tie)24.4 C (75.9 F)tie16 years2 of 100 (Routine)
31 July 2026Columbine Arizona, USdaily high max29.4 C (84.9 F)1.6 C (2.9 F)5 years9 of 100 (Routine)
25 July 2026Columbine Arizona, USdaily high min (Tie)11.7 C (53.1 F)tie32 years3 of 100 (Routine)
18 July 2026Columbine Arizona, USdaily low max (Tie)16.7 C (62.1 F)tie32 years3 of 100 (Routine)
24 June 2026Columbine Arizona, USdaily high max26.7 C (80.1 F)0.6 C (1.1 F)32 years13 of 100 (Routine)
23 June 2026Columbine Arizona, USdaily high max (Tie)26.7 C (80.1 F)tie11 years1 of 100 (Routine)
10 June 2026Columbine Arizona, USdaily high min13.3 C (55.9 F)1.6 C (2.9 F)29 years16 of 100 (Routine)
9 June 2026Columbine Arizona, USdaily high min13.9 C (57.0 F)2.8 C (5.0 F)29 years20 of 100 (Routine)

Climate Trend

29 complete years, 1995 to 2025
Annual mean temperature at Columbine Arizona as warming stripes, 1995 to 2025 One stripe for each of 29 complete years at Columbine Arizona, 1995 to 2025. Blue stripes are years cooler than the station's own mean of 6.9 C (44.4 F); red stripes are warmer. The coolest year was 1997, at 5.8 C (42.5 F), and the warmest was 2020, at 8.0 C (46.4 F). The strongest colour marks a difference of 1.2 C (2.2 F). 1995: 6.2 C, -0.7 C from the station mean1996: 6.8 C, 0.0 C from the station mean1997: 5.8 C, -1.0 C from the station mean1998: 5.9 C, -1.0 C from the station mean2000: 7.1 C, +0.3 C from the station mean2001: 6.2 C, -0.6 C from the station mean2002: 6.9 C, 0.0 C from the station mean2003: 7.5 C, +0.6 C from the station mean2005: 6.3 C, -0.6 C from the station mean2006: 6.6 C, -0.3 C from the station mean2007: 6.7 C, -0.2 C from the station mean2008: 6.4 C, -0.4 C from the station mean2009: 6.6 C, -0.3 C from the station mean2010: 5.9 C, -1.0 C from the station mean2011: 6.7 C, -0.1 C from the station mean2012: 7.4 C, +0.5 C from the station mean2013: 6.8 C, -0.1 C from the station mean2014: 7.3 C, +0.4 C from the station mean2015: 7.1 C, +0.2 C from the station mean2016: 6.9 C, +0.1 C from the station mean2017: 8.0 C, +1.1 C from the station mean2018: 7.4 C, +0.5 C from the station mean2019: 6.4 C, -0.5 C from the station mean2020: 8.0 C, +1.1 C from the station mean2021: 7.2 C, +0.3 C from the station mean2022: 6.9 C, +0.1 C from the station mean2023: 7.0 C, +0.2 C from the station mean2024: 7.3 C, +0.4 C from the station mean2025: 7.9 C, +1.0 C from the station mean1995200020052010201520202025
One stripe for each of 29 complete years at Columbine Arizona, 1995 to 2025. Blue stripes are years cooler than the station's own mean of 6.9 C (44.4 F); red stripes are warmer. The coolest year was 1997, at 5.8 C (42.5 F), and the warmest was 2020, at 8.0 C (46.4 F). The strongest colour marks a difference of 1.2 C (2.2 F).
Annual mean temperature at Columbine Arizona as warming stripes, 1995 to 2025
YearAnnual mean temperatureDifference from the station mean
19956.2 C-0.69 C
19966.8 C-0.03 C
19975.8 C-1.03 C
19985.9 C-1.01 C
20007.1 C+0.27 C
20016.2 C-0.63 C
20026.9 C+0.04 C
20037.5 C+0.59 C
20056.3 C-0.61 C
20066.6 C-0.26 C
20076.7 C-0.20 C
20086.4 C-0.45 C
20096.6 C-0.32 C
20105.9 C-0.97 C
20116.7 C-0.14 C
20127.4 C+0.48 C
20136.8 C-0.10 C
20147.3 C+0.39 C
20157.1 C+0.22 C
20166.9 C+0.06 C
20178.0 C+1.12 C
20187.4 C+0.49 C
20196.4 C-0.47 C
20208.0 C+1.13 C
20217.2 C+0.34 C
20226.9 C+0.07 C
20237.0 C+0.17 C
20247.3 C+0.44 C
20257.9 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

1991 to 2026
Yearly extremes at Columbine Arizona: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)30.0 C (86.0 F)200327.0 C (80.5 F)36
Coldest night (TNn)-25.6 C (-14.1 F)2011-16.9 C (1.5 F)36

Hottest day (TXx)

Hottest day (TXx) at Columbine Arizona by year The hottest day of the year at Columbine Arizona, 1991 to 2026. The record is 30.0 C (86.0 F) in 2003, marked on the chart; the median year is 27.0 C (80.5 F). 0102030200020102020Record: 30.0 C (86.0 F) in 2003
The hottest day of the year at Columbine Arizona, 1991 to 2026. The record is 30.0 C (86.0 F) in 2003, marked on the chart; the median year is 27.0 C (80.5 F).
Hottest day (TXx) at Columbine Arizona by year
YearHottest day (TXx)
19918.3 C (46.9 F)
199226.1 C (79.0 F)
199325.0 C (77.0 F)
199428.3 C (82.9 F)
199529.4 C (84.9 F)
199628.9 C (84.0 F)
199726.1 C (79.0 F)
199828.3 C (82.9 F)
199925.0 C (77.0 F)
200026.1 C (79.0 F)
200125.6 C (78.1 F)
200228.9 C (84.0 F)
200330.0 C (86.0 F)
200425.0 C (77.0 F)
200528.3 C (82.9 F)
200627.2 C (81.0 F)
200728.3 C (82.9 F)
200825.6 C (78.1 F)
200925.6 C (78.1 F)
201026.1 C (79.0 F)
201127.2 C (81.0 F)
201227.2 C (81.0 F)
201328.3 C (82.9 F)
201425.6 C (78.1 F)
201526.7 C (80.1 F)
201628.9 C (84.0 F)
201727.2 C (81.0 F)
201826.7 C (80.1 F)
201925.6 C (78.1 F)
202028.3 C (82.9 F)
202128.3 C (82.9 F)
202226.7 C (80.1 F)
202328.9 C (84.0 F)
202426.7 C (80.1 F)
202526.7 C (80.1 F)
202629.4 C (84.9 F)

Coldest night (TNn)

Coldest night (TNn) at Columbine Arizona by year The coldest night of the year at Columbine Arizona, 1991 to 2026. The record is -25.6 C (-14.1 F) in 2011, marked on the chart; the median year is -16.9 C (1.5 F). -30-25-20-15-10200020102020Record: -25.6 C (-14.1 F) in 2011
The coldest night of the year at Columbine Arizona, 1991 to 2026. The record is -25.6 C (-14.1 F) in 2011, marked on the chart; the median year is -16.9 C (1.5 F).
Coldest night (TNn) at Columbine Arizona by year
YearColdest night (TNn)
1991-11.7 C (10.9 F)
1992-17.2 C (1.0 F)
1993-16.7 C (1.9 F)
1994-16.1 C (3.0 F)
1995-17.8 C (0.0 F)
1996-13.3 C (8.1 F)
1997-20.6 C (-5.1 F)
1998-17.2 C (1.0 F)
1999-12.8 C (9.0 F)
2000-15.6 C (3.9 F)
2001-18.3 C (-0.9 F)
2002-17.2 C (1.0 F)
2003-15.6 C (3.9 F)
2004-16.7 C (1.9 F)
2005-17.2 C (1.0 F)
2006-15.6 C (3.9 F)
2007-17.8 C (0.0 F)
2008-18.3 C (-0.9 F)
2009-15.6 C (3.9 F)
2010-16.7 C (1.9 F)
2011-25.6 C (-14.1 F)
2012-17.2 C (1.0 F)
2013-23.9 C (-11.0 F)
2014-19.4 C (-2.9 F)
2015-19.4 C (-2.9 F)
2016-17.2 C (1.0 F)
2017-16.7 C (1.9 F)
2018-21.1 C (-6.0 F)
2019-16.1 C (3.0 F)
2020-18.3 C (-0.9 F)
2021-16.7 C (1.9 F)
2022-16.1 C (3.0 F)
2023-20.6 C (-5.1 F)
2024-15.6 C (3.9 F)
2025-16.1 C (3.0 F)
2026-14.4 C (6.1 F)

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

29 years with a frost

Across 29 years with a frost, the median last spring frost at Columbine Arizona falls on 26 May and the median first autumn frost on 7 October, which leaves a median of 134 days between them.

Fitted over all years, the growing season changes by +6.8 days per decade at this station.

Frost dates and growing season at Columbine Arizona
MeasureMedian, all yearsEarliest periodRecent period (1995 to 2025)Recent against earliestFitted trend
Last spring frost26 Mayn/a26 Mayn/a-3.1 days per decade
First autumn frost7 Octobern/a7 Octobern/a+3.7 days per decade
Growing days134 daysn/a134 daysn/a+6.8 days per decade

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.

Download the Data

  • Data for Columbine Arizona standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Columbine Arizona 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).