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Sanborn Park Colorado Weather Records (USR0000CSAN)

Record envelope, standing records and threshold days for Sanborn Park Colorado (USR0000CSAN), Colorado, United States, with 39 years of record.

Key Facts for Sanborn Park Colorado

  • Sanborn Park Colorado (USR0000CSAN) is a weather station in Colorado, United States at 38.19 latitude and -108.22 longitude, 2,417 m (7,930 ft) above sea level.
  • The station reports from 1985 to 2023, 39 years of record.
  • 1,464 records set at Sanborn Park Colorado still stand.
  • Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
  • Sanborn Park Colorado tied a daily record high minimum temperature of 7.2 C (45.0 F) on 11 October 2026 (provisional).

Provisional Records

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

About the Station

  • Location: Colorado, United States, 38.19 latitude, -108.22 longitude.
  • Elevation: 2,417 m (7,930 ft).
  • Period of record: 1985 to 2023, 39 years.
  • Eligible elements: tmax, tmin.

Daily Record Envelope and 2026

31 days at or beyond a record
Daily record high and record low at Sanborn Park Colorado, with 2026 drawn through them The band shows the record high and record low for each calendar day at Sanborn Park Colorado. The lines show the 2026 daily maximum and minimum. 31 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 Sanborn Park Colorado. The lines show the 2026 daily maximum and minimum. 31 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Sanborn Park Colorado, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan19.4 C (66.9 F)-26.7 C (-16.1 F)11.7 C (53.1 F)-18.9 C (-2.0 F)
Feb18.9 C (66.0 F)-28.3 C (-18.9 F)16.1 C (61.0 F)-15.6 C (3.9 F)
Mar26.1 C (79.0 F)-20.0 C (-4.0 F)26.1 C (79.0 F)-7.8 C (18.0 F)
Apr24.4 C (75.9 F)-17.7 C (0.1 F)20.6 C (69.1 F)-8.3 C (17.1 F)
May33.3 C (91.9 F)-8.9 C (16.0 F)27.2 C (81.0 F)-2.8 C (27.0 F)
Jun33.3 C (91.9 F)-4.4 C (24.1 F)31.7 C (89.1 F)6.1 C (43.0 F)
Jul35.0 C (95.0 F)2.2 C (36.0 F)33.3 C (91.9 F)7.2 C (45.0 F)
Aug33.9 C (93.0 F)2.2 C (36.0 F)33.9 C (93.0 F)8.3 C (46.9 F)
Sep31.7 C (89.1 F)-6.1 C (21.0 F)28.3 C (82.9 F)3.9 C (39.0 F)
Oct27.8 C (82.0 F)-18.3 C (-0.9 F)23.9 C (75.0 F)3.9 C (39.0 F)
Nov20.0 C (68.0 F)-23.3 C (-9.9 F)n/an/a
Dec15.6 C (60.1 F)-28.9 C (-20.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Sanborn Park Colorado by the year they were set 1,464 records at Sanborn Park Colorado still stand. 1990 holds the most, with 60. 02040601985: 281986: 561987: 321988: 331989: 561990: 601991: 391992: 351993: 381994: 201995: 501996: 541997: 291998: 241999: 452000: 392001: 422002: 542003: 372004: 272005: 332006: 432007: 242008: 292009: 362010: 382011: 332012: 292013: 482014: 182015: 252016: 232017: 362018: 182019: 302020: 332021: 252022: 262023: 202024: 232025: 352026: 41198519901995200020052010201520202025
1,464 records at Sanborn Park Colorado still stand. 1990 holds the most, with 60.
Standing records at Sanborn Park Colorado by the year they were set
Year setStanding records
198528
198656
198732
198833
198956
199060
199139
199235
199338
199420
199550
199654
199729
199824
199945
200039
200142
200254
200337
200427
200533
200643
200724
200829
200936
201038
201133
201229
201348
201418
201525
201623
201736
201818
201930
202033
202125
202226
202320
202423
202535
202641

Period of Record Coverage

1985 to 2026
Days with data per year at Sanborn Park Colorado 42 years of record at Sanborn Park Colorado, 1985 to 2026. 2 years have data for under 90 percent of days and are left out of rankings: 1985, 2026. 1985: 179 of 365 days1986: 357 of 365 days1987: 359 of 365 days1988: 363 of 366 days1989: 364 of 365 days1990: 364 of 365 days1991: 351 of 365 days1992: 366 of 366 days1993: 354 of 365 days1994: 342 of 365 days1995: 360 of 365 days1996: 364 of 366 days1997: 358 of 365 days1998: 365 of 365 days1999: 364 of 365 days2000: 366 of 366 days2001: 364 of 365 days2002: 364 of 365 days2003: 365 of 365 days2004: 364 of 366 days2005: 365 of 365 days2006: 365 of 365 days2007: 365 of 365 days2008: 365 of 366 days2009: 364 of 365 days2010: 364 of 365 days2011: 365 of 365 days2012: 365 of 366 days2013: 365 of 365 days2014: 365 of 365 days2015: 365 of 365 days2016: 366 of 366 days2017: 364 of 365 days2018: 365 of 365 days2019: 365 of 365 days2020: 365 of 366 days2021: 363 of 365 days2022: 365 of 365 days2023: 364 of 365 days2024: 365 of 366 days2025: 365 of 365 days2026: 284 of 365 days1990200020102020
42 years of record at Sanborn Park Colorado, 1985 to 2026. 2 years have data for under 90 percent of days and are left out of rankings: 1985, 2026.
Days with data per year at Sanborn Park Colorado
YearDays with dataShare of yearComplete
198517949%No
198635798%Yes
198735998%Yes
198836399%Yes
1989364100%Yes
1990364100%Yes
199135196%Yes
1992366100%Yes
199335497%Yes
199434294%Yes
199536099%Yes
199636499%Yes
199735898%Yes
1998365100%Yes
1999364100%Yes
2000366100%Yes
2001364100%Yes
2002364100%Yes
2003365100%Yes
200436499%Yes
2005365100%Yes
2006365100%Yes
2007365100%Yes
2008365100%Yes
2009364100%Yes
2010364100%Yes
2011365100%Yes
2012365100%Yes
2013365100%Yes
2014365100%Yes
2015365100%Yes
2016366100%Yes
2017364100%Yes
2018365100%Yes
2019365100%Yes
2020365100%Yes
202136399%Yes
2022365100%Yes
2023364100%Yes
2024365100%Yes
2025365100%Yes
202628478%No

Latest Records

20
Latest records at Sanborn Park Colorado
DateStationRecordValueBeat old record byOld record stoodSignificance
11 October 2026Sanborn Park Colorado, USdaily high min (Tie, Provisional)7.2 C (45.0 F)tie0 years1 of 100 (Routine)
13 September 2026Sanborn Park Colorado, USdaily high min (Provisional)13.3 C (55.9 F)0.5 C (0.9 F)21 years11 of 100 (Routine)
28 August 2026Sanborn Park Colorado, USdaily high min (Provisional)13.9 C (57.0 F)0.6 C (1.1 F)15 years10 of 100 (Routine)
28 August 2026Sanborn Park Colorado, USdaily high max (Tie, Provisional)30.6 C (87.1 F)tie36 years3 of 100 (Routine)
19 August 2026Sanborn Park Colorado, USdaily high max (Tie, Provisional)32.2 C (90.0 F)tie5 years1 of 100 (Routine)
10 August 2026Sanborn Park Colorado, USdaily high max (Tie)31.1 C (88.0 F)tie4 years1 of 100 (Routine)
9 August 2026Sanborn Park Colorado, USdaily high max32.2 C (90.0 F)1.1 C (2.0 F)23 years13 of 100 (Routine)
9 August 2026Sanborn Park Colorado, USdaily high min (Tie)13.3 C (55.9 F)tie13 years2 of 100 (Routine)
8 August 2026Sanborn Park Colorado, USmonthly high max (Tie)33.9 C (93.0 F)tie0 years3 of 100 (Routine)
8 August 2026Sanborn Park Colorado, USdaily high min (Tie)13.9 C (57.0 F)tie31 years3 of 100 (Routine)
7 August 2026Sanborn Park Colorado, USdaily high min15.6 C (60.1 F)1.2 C (2.2 F)31 years18 of 100 (Routine)
7 August 2026Sanborn Park Colorado, USmonthly high max (Tie)33.9 C (93.0 F)tie0 years3 of 100 (Routine)
6 August 2026Sanborn Park Colorado, USdaily high max33.3 C (91.9 F)1.1 C (2.0 F)1 year7 of 100 (Routine)
5 August 2026Sanborn Park Colorado, USdaily high max32.2 C (90.0 F)0.5 C (0.9 F)0 years5 of 100 (Routine)
4 August 2026Sanborn Park Colorado, USdaily high max33.3 C (91.9 F)1.6 C (2.9 F)0 years9 of 100 (Routine)
3 August 2026Sanborn Park Colorado, USmonthly high max33.9 C (93.0 F)0.6 C (1.1 F)23 years22 of 100 (Routine)
3 August 2026Sanborn Park Colorado, USdaily high min (Tie)15.0 C (59.0 F)tie25 years2 of 100 (Routine)
2 August 2026Sanborn Park Colorado, USmonthly high max (Tie)33.3 C (91.9 F)tie23 years5 of 100 (Routine)
1 August 2026Sanborn Park Colorado, USdaily high max (Tie)32.8 C (91.0 F)tie1 year1 of 100 (Routine)
29 July 2026Sanborn Park Colorado, USdaily high min (Tie)15.0 C (59.0 F)tie25 years2 of 100 (Routine)

Climate Trend

38 complete years, 1986 to 2025
Annual mean temperature at Sanborn Park Colorado as warming stripes, 1986 to 2025 One stripe for each of 38 complete years at Sanborn Park Colorado, 1986 to 2025. Blue stripes are years cooler than the station's own mean of 7.6 C (45.7 F); red stripes are warmer. The coolest year was 1993, at 6.6 C (43.8 F), and the warmest was 2025, at 8.8 C (47.9 F). The strongest colour marks a difference of 1.3 C (2.3 F). 1986: 6.9 C, -0.7 C from the station mean1987: 6.7 C, -0.9 C from the station mean1988: 6.8 C, -0.8 C from the station mean1989: 7.5 C, -0.1 C from the station mean1990: 7.0 C, -0.6 C from the station mean1992: 7.2 C, -0.4 C from the station mean1993: 6.6 C, -1.0 C from the station mean1995: 7.3 C, -0.3 C from the station mean1996: 7.6 C, 0.0 C from the station mean1997: 6.8 C, -0.8 C from the station mean1998: 7.3 C, -0.3 C from the station mean1999: 7.3 C, -0.3 C from the station mean2000: 7.8 C, +0.2 C from the station mean2001: 8.5 C, +0.9 C from the station mean2002: 8.4 C, +0.8 C from the station mean2003: 8.1 C, +0.5 C from the station mean2004: 7.4 C, -0.2 C from the station mean2005: 8.0 C, +0.4 C from the station mean2006: 7.6 C, 0.0 C from the station mean2007: 7.7 C, +0.1 C from the station mean2008: 6.9 C, -0.7 C from the station mean2009: 7.6 C, 0.0 C from the station mean2010: 7.5 C, -0.1 C from the station mean2011: 7.0 C, -0.6 C from the station mean2012: 8.3 C, +0.7 C from the station mean2013: 6.7 C, -0.9 C from the station mean2014: 7.6 C, 0.0 C from the station mean2015: 8.0 C, +0.4 C from the station mean2016: 8.0 C, +0.4 C from the station mean2017: 8.7 C, +1.1 C from the station mean2018: 8.3 C, +0.7 C from the station mean2019: 7.0 C, -0.6 C from the station mean2020: 8.2 C, +0.6 C from the station mean2021: 7.9 C, +0.3 C from the station mean2022: 7.6 C, 0.0 C from the station mean2023: 7.4 C, -0.2 C from the station mean2024: 8.5 C, +0.9 C from the station mean2025: 8.8 C, +1.2 C from the station mean198619901995200020052010201520202025
One stripe for each of 38 complete years at Sanborn Park Colorado, 1986 to 2025. Blue stripes are years cooler than the station's own mean of 7.6 C (45.7 F); red stripes are warmer. The coolest year was 1993, at 6.6 C (43.8 F), and the warmest was 2025, at 8.8 C (47.9 F). The strongest colour marks a difference of 1.3 C (2.3 F).
Annual mean temperature at Sanborn Park Colorado as warming stripes, 1986 to 2025
YearAnnual mean temperatureDifference from the station mean
19866.9 C-0.66 C
19876.7 C-0.93 C
19886.8 C-0.78 C
19897.5 C-0.10 C
19907.0 C-0.59 C
19927.2 C-0.43 C
19936.6 C-1.02 C
19957.3 C-0.28 C
19967.6 C-0.05 C
19976.8 C-0.80 C
19987.3 C-0.35 C
19997.3 C-0.28 C
20007.8 C+0.20 C
20018.5 C+0.90 C
20028.4 C+0.83 C
20038.1 C+0.49 C
20047.4 C-0.21 C
20058.0 C+0.37 C
20067.6 C+0.01 C
20077.7 C+0.12 C
20086.9 C-0.68 C
20097.6 C+0.00 C
20107.5 C-0.11 C
20117.0 C-0.62 C
20128.3 C+0.70 C
20136.7 C-0.89 C
20147.6 C+0.03 C
20158.0 C+0.41 C
20168.0 C+0.44 C
20178.7 C+1.13 C
20188.3 C+0.71 C
20197.0 C-0.56 C
20208.2 C+0.61 C
20217.9 C+0.25 C
20227.6 C+0.02 C
20237.4 C-0.18 C
20248.5 C+0.90 C
20258.8 C+1.22 C

The annual mean temperature here has risen by 0.3 C (0.1 to 0.4) per decade over 1986 to 2025. In Fahrenheit: 0.5 F (0.3 to 0.8) per decade. The slope is a straight line fitted to 38 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Sanborn Park Colorado
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.3 C (0.1 to 0.4) per decade0.5 F (0.3 to 0.8) per decade1986 to 202538Rise
Mean daily maximum0.4 C (0.2 to 0.5) per decade0.6 F (0.3 to 1.0) per decade1986 to 202538Rise
Mean daily minimum0.2 C (0.1 to 0.4) per decade0.4 F (0.1 to 0.7) per decade1986 to 202538Rise

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

1985 to 2026
Yearly extremes at Sanborn Park Colorado: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)35.0 C (95.0 F)200532.5 C (90.5 F)42
Coldest night (TNn)-28.9 C (-20.0 F)1990-21.1 C (-6.0 F)42

Hottest day (TXx)

Hottest day (TXx) at Sanborn Park Colorado by year The hottest day of the year at Sanborn Park Colorado, 1985 to 2026. The record is 35.0 C (95.0 F) in 2005, marked on the chart; the median year is 32.5 C (90.5 F). 303234361990200020102020Record: 35.0 C (95.0 F) in 2005
The hottest day of the year at Sanborn Park Colorado, 1985 to 2026. The record is 35.0 C (95.0 F) in 2005, marked on the chart; the median year is 32.5 C (90.5 F).
Hottest day (TXx) at Sanborn Park Colorado by year
YearHottest day (TXx)
198532.2 C (90.0 F)
198630.6 C (87.1 F)
198730.0 C (86.0 F)
198831.7 C (89.1 F)
198933.9 C (93.0 F)
199032.8 C (91.0 F)
199130.6 C (87.1 F)
199230.0 C (86.0 F)
199330.0 C (86.0 F)
199432.2 C (90.0 F)
199532.8 C (91.0 F)
199632.2 C (90.0 F)
199731.7 C (89.1 F)
199832.2 C (90.0 F)
199930.6 C (87.1 F)
200032.2 C (90.0 F)
200132.8 C (91.0 F)
200234.4 C (93.9 F)
200334.4 C (93.9 F)
200432.2 C (90.0 F)
200535.0 C (95.0 F)
200632.8 C (91.0 F)
200733.3 C (91.9 F)
200832.8 C (91.0 F)
200932.2 C (90.0 F)
201033.9 C (93.0 F)
201132.2 C (90.0 F)
201232.8 C (91.0 F)
201332.2 C (90.0 F)
201432.2 C (90.0 F)
201531.1 C (88.0 F)
201633.3 C (91.9 F)
201731.7 C (89.1 F)
201832.8 C (91.0 F)
201931.7 C (89.1 F)
202033.9 C (93.0 F)
202133.9 C (93.0 F)
202233.3 C (91.9 F)
202334.4 C (93.9 F)
202432.8 C (91.0 F)
202532.8 C (91.0 F)
202633.9 C (93.0 F)

Coldest night (TNn)

Coldest night (TNn) at Sanborn Park Colorado by year The coldest night of the year at Sanborn Park Colorado, 1985 to 2026. The record is -28.9 C (-20.0 F) in 1990, marked on the chart; the median year is -21.1 C (-6.0 F). -30-25-20-151990200020102020Record: -28.9 C (-20.0 F) in 1990
The coldest night of the year at Sanborn Park Colorado, 1985 to 2026. The record is -28.9 C (-20.0 F) in 1990, marked on the chart; the median year is -21.1 C (-6.0 F).
Coldest night (TNn) at Sanborn Park Colorado by year
YearColdest night (TNn)
1985-19.4 C (-2.9 F)
1986-23.9 C (-11.0 F)
1987-21.1 C (-6.0 F)
1988-21.1 C (-6.0 F)
1989-28.3 C (-18.9 F)
1990-28.9 C (-20.0 F)
1991-18.9 C (-2.0 F)
1992-19.4 C (-2.9 F)
1993-20.6 C (-5.1 F)
1994-21.1 C (-6.0 F)
1995-18.3 C (-0.9 F)
1996-26.1 C (-15.0 F)
1997-19.4 C (-2.9 F)
1998-22.2 C (-8.0 F)
1999-19.4 C (-2.9 F)
2000-18.9 C (-2.0 F)
2001-19.4 C (-2.9 F)
2002-20.0 C (-4.0 F)
2003-23.3 C (-9.9 F)
2004-23.3 C (-9.9 F)
2005-23.9 C (-11.0 F)
2006-21.1 C (-6.0 F)
2007-24.4 C (-11.9 F)
2008-23.9 C (-11.0 F)
2009-23.9 C (-11.0 F)
2010-23.3 C (-9.9 F)
2011-26.7 C (-16.1 F)
2012-20.0 C (-4.0 F)
2013-23.9 C (-11.0 F)
2014-18.9 C (-2.0 F)
2015-21.1 C (-6.0 F)
2016-21.1 C (-6.0 F)
2017-20.0 C (-4.0 F)
2018-17.8 C (0.0 F)
2019-20.0 C (-4.0 F)
2020-22.2 C (-8.0 F)
2021-20.0 C (-4.0 F)
2022-20.0 C (-4.0 F)
2023-21.1 C (-6.0 F)
2024-21.7 C (-7.1 F)
2025-21.7 C (-7.1 F)
2026-18.9 C (-2.0 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

38 years with a frost

Across 38 years with a frost, the median last spring frost at Sanborn Park Colorado falls on 29 May and the median first autumn frost on 25 September, which leaves a median of 119 days between them.

Fitted over all years, the growing season changes by +6.9 days per decade at this station.

Frost dates and growing season at Sanborn Park Colorado
MeasureMedian, all yearsEarliest periodRecent period (1996 to 2025)Recent against earliestFitted trend
Last spring frost29 Mayn/a27 Mayn/a-1.9 days per decade
First autumn frost25 Septembern/a2 Octobern/a+5.0 days per decade
Growing days119 daysn/a127 daysn/a+6.9 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 Sanborn Park Colorado standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Sanborn Park Colorado 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-14).