Built 2026-10-15 (15 October 2026)

Ft Richardson Wtp Weather Records (USC00503163)

Record envelope, standing records and threshold days for Ft Richardson Wtp (USC00503163), Alaska, United States, with 37 years of record.

Key Facts for Ft Richardson Wtp

  • Ft Richardson Wtp (USC00503163) is a weather station in Alaska, United States at 61.23 latitude and -149.65 longitude, 143 m (470 ft) above sea level.
  • The station reports from 1990 to 2026, 37 years of record.
  • 1,464 records set at Ft Richardson Wtp still stand.
  • Records are tracked for tmax, tmin, prcp, snow: an element needs 30 years of data to be eligible.
  • Ft Richardson Wtp set a daily record low minimum temperature of 1.7 C (35.1 F) on 29 May 2026.

About the Station

  • Location: Alaska, United States, 61.23 latitude, -149.65 longitude.
  • Elevation: 143 m (470 ft).
  • Period of record: 1990 to 2026, 37 years.
  • Eligible elements: tmax, tmin, prcp, snow.

Daily Record Envelope and 2026

15 days at or beyond a record
Daily record high and record low at Ft Richardson Wtp, with 2026 drawn through them The band shows the record high and record low for each calendar day at Ft Richardson Wtp. The lines show the 2026 daily maximum and minimum. 15 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 Ft Richardson Wtp. The lines show the 2026 daily maximum and minimum. 15 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Ft Richardson Wtp, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan13.3 C (55.9 F)-30.6 C (-23.1 F)7.2 C (45.0 F)-27.8 C (-18.0 F)
Feb11.1 C (52.0 F)-33.9 C (-29.0 F)10.0 C (50.0 F)-25.6 C (-14.1 F)
Mar12.8 C (55.0 F)-27.2 C (-17.0 F)2.2 C (36.0 F)-27.2 C (-17.0 F)
Apr21.1 C (70.0 F)-20.6 C (-5.1 F)12.8 C (55.0 F)-11.1 C (12.0 F)
May26.1 C (79.0 F)-6.7 C (19.9 F)17.2 C (63.0 F)-0.6 C (30.9 F)
Jun29.4 C (84.9 F)0.6 C (33.1 F)n/an/a
Jul30.6 C (87.1 F)4.4 C (39.9 F)n/an/a
Aug28.9 C (84.0 F)-0.6 C (30.9 F)n/an/a
Sep21.1 C (70.0 F)-8.9 C (16.0 F)n/an/a
Oct18.3 C (64.9 F)-19.4 C (-2.9 F)n/an/a
Nov12.8 C (55.0 F)-27.8 C (-18.0 F)n/an/a
Dec11.7 C (53.1 F)-27.8 C (-18.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Ft Richardson Wtp by the year they were set 1,464 records at Ft Richardson Wtp still stand. 1992 holds the most, with 100. 02550751001990: 371991: 311992: 1001993: 421994: 461995: 541996: 561997: 411998: 351999: 722000: 352001: 402002: 572003: 662004: 612005: 412006: 322007: 392008: 442009: 612010: 222011: 392012: 242013: 492014: 82015: 182016: 422017: 202018: 192019: 552020: 142021: 422022: 182023: 142024: 262025: 432026: 211990199419982002200620102014201820222026
1,464 records at Ft Richardson Wtp still stand. 1992 holds the most, with 100.
Standing records at Ft Richardson Wtp by the year they were set
Year setStanding records
199037
199131
1992100
199342
199446
199554
199656
199741
199835
199972
200035
200140
200257
200366
200461
200541
200632
200739
200844
200961
201022
201139
201224
201349
20148
201518
201642
201720
201819
201955
202014
202142
202218
202314
202426
202543
202621

Wettest Day of Each Month

Aug: 81.3 mm (3.2 in)
Record daily precipitation for each month at Ft Richardson Wtp The wettest day on record for each calendar month at Ft Richardson Wtp. The most was 81.3 mm (3.2 in) on 11 August 2016. 0255075100 Jan: 18.8 mm (0.7 in), 19 January 2021 Jan Feb: 23.4 mm (0.9 in), 6 February 1993 Feb Mar: 23.4 mm (0.9 in), 17 March 2002 Mar Apr: 23.4 mm (0.9 in), 26 April 2008 Apr May: 23.4 mm (0.9 in), 18 May 2013 May Jun: 27.9 mm (1.1 in), 24 June 1995 Jun Jul: 33.5 mm (1.3 in), 11 July 1991 Jul Aug: 81.3 mm (3.2 in), 11 August 2016 Aug Sep: 37.3 mm (1.5 in), 1 September 1997 Sep Oct: 33.5 mm (1.3 in), 27 October 1992 Oct Nov: 35.6 mm (1.4 in), 20 November 1994 Nov Dec: 55.9 mm (2.2 in), 3 December 2016 Dec
The wettest day on record for each calendar month at Ft Richardson Wtp. The most was 81.3 mm (3.2 in) on 11 August 2016.
Record daily precipitation for each month at Ft Richardson Wtp
MonthRecord daily precipitation (mm)Date
Jan18.8 mm (0.7 in)19 January 2021
Feb23.4 mm (0.9 in)6 February 1993
Mar23.4 mm (0.9 in)17 March 2002
Apr23.4 mm (0.9 in)26 April 2008
May23.4 mm (0.9 in)18 May 2013
Jun27.9 mm (1.1 in)24 June 1995
Jul33.5 mm (1.3 in)11 July 1991
Aug81.3 mm (3.2 in)11 August 2016
Sep37.3 mm (1.5 in)1 September 1997
Oct33.5 mm (1.3 in)27 October 1992
Nov35.6 mm (1.4 in)20 November 1994
Dec55.9 mm (2.2 in)3 December 2016

Period of Record Coverage

1990 to 2026
Days with data per year at Ft Richardson Wtp 37 years of record at Ft Richardson Wtp, 1990 to 2026. 10 years have data for under 90 percent of days and are left out of rankings: 1990, 2000, 2011, 2012, 2013, 2014, 2015, 2017 and others. 1990: 242 of 365 days1991: 365 of 365 days1992: 366 of 366 days1993: 364 of 365 days1994: 334 of 365 days1995: 363 of 365 days1996: 365 of 366 days1997: 365 of 365 days1998: 362 of 365 days1999: 354 of 365 days2000: 329 of 366 days2001: 360 of 365 days2002: 352 of 365 days2003: 362 of 365 days2004: 333 of 366 days2005: 364 of 365 days2006: 332 of 365 days2007: 362 of 365 days2008: 366 of 366 days2009: 364 of 365 days2010: 362 of 365 days2011: 236 of 365 days2012: 211 of 366 days2013: 304 of 365 days2014: 180 of 365 days2015: 214 of 365 days2016: 362 of 366 days2017: 303 of 365 days2018: 331 of 365 days2019: 330 of 365 days2020: 363 of 366 days2021: 363 of 365 days2022: 269 of 365 days2023: 357 of 365 days2024: 361 of 366 days2025: 363 of 365 days2026: 150 of 365 days19901995200020052010201520202025
37 years of record at Ft Richardson Wtp, 1990 to 2026. 10 years have data for under 90 percent of days and are left out of rankings: 1990, 2000, 2011, 2012, 2013, 2014, 2015, 2017 and others.
Days with data per year at Ft Richardson Wtp
YearDays with dataShare of yearComplete
199024266%No
1991365100%Yes
1992366100%Yes
1993364100%Yes
199433492%Yes
199536399%Yes
1996365100%Yes
1997365100%Yes
199836299%Yes
199935497%Yes
200032990%No
200136099%Yes
200235296%Yes
200336299%Yes
200433391%Yes
2005364100%Yes
200633291%Yes
200736299%Yes
2008366100%Yes
2009364100%Yes
201036299%Yes
201123665%No
201221158%No
201330483%No
201418049%No
201521459%No
201636299%Yes
201730383%No
201833191%Yes
201933090%Yes
202036399%Yes
202136399%Yes
202226974%No
202335798%Yes
202436199%Yes
202536399%Yes
202615041%No

Latest Records

20
Latest records at Ft Richardson Wtp
DateStationRecordValueBeat old record byOld record stoodSignificance
29 May 2026Ft Richardson Wtp, USdaily low min1.7 C (35.1 F)0.5 C (0.9 F)27 years12 of 100 (Routine)
25 May 2026Ft Richardson Wtp, USdaily low min0.6 C (33.1 F)0.5 C (0.9 F)25 years11 of 100 (Routine)
24 May 2026Ft Richardson Wtp, USdaily low min0.0 C (32.0 F)1.1 C (2.0 F)28 years14 of 100 (Routine)
11 May 2026Ft Richardson Wtp, USdaily rain8.9 mm (0.35 in)3.3 mm (0.13 in)36 years20 of 100 (Routine)
9 May 2026Ft Richardson Wtp, USdaily rain13.5 mm (0.5 in)3.6 mm (0.14 in)7 years15 of 100 (Routine)
2 May 2026Ft Richardson Wtp, USdaily rain3.0 mm (0.12 in)2.7 mm (0.11 in)0 years10 of 100 (Routine)
23 April 2026Ft Richardson Wtp, USdaily high min4.4 C (39.9 F)1.1 C (2.0 F)20 years11 of 100 (Routine)
18 April 2026Ft Richardson Wtp, USdaily snowfall0.5 cm (0.2 in)0.5 cm (0.2 in)35 years13 of 100 (Routine)
12 April 2026Ft Richardson Wtp, USdaily rain6.1 mm (0.24 in)5.6 mm (0.22 in)3 years19 of 100 (Routine)
12 April 2026Ft Richardson Wtp, USdaily snowfall2.5 cm (1.0 in)2.5 cm (1.0 in)35 years17 of 100 (Routine)
20 March 2026Ft Richardson Wtp, USdaily low max-10.6 C (12.9 F)3.4 C (6.1 F)9 years11 of 100 (Routine)
19 March 2026Ft Richardson Wtp, USdaily low max-12.2 C (10.0 F)5.5 C (9.9 F)20 years20 of 100 (Routine)
19 March 2026Ft Richardson Wtp, USdaily low min-21.1 C (-6.0 F)2.2 C (4.0 F)4 years7 of 100 (Routine)
18 March 2026Ft Richardson Wtp, USdaily low max-8.3 C (17.1 F)1.6 C (2.9 F)8 years8 of 100 (Routine)
18 March 2026Ft Richardson Wtp, USdaily low min-21.1 C (-6.0 F)1.7 C (3.1 F)8 years7 of 100 (Routine)
11 March 2026Ft Richardson Wtp, USdaily low max-10.6 C (12.9 F)0.6 C (1.1 F)27 years12 of 100 (Routine)
11 March 2026Ft Richardson Wtp, USdaily low min-22.8 C (-9.0 F)2.2 C (4.0 F)5 years7 of 100 (Routine)
10 March 2026Ft Richardson Wtp, USdaily low min-22.2 C (-8.0 F)0.5 C (0.9 F)27 years11 of 100 (Routine)
8 March 2026Ft Richardson Wtp, USdaily snowfall12.7 cm (5.0 in)7.6 cm (3.0 in)21 years19 of 100 (Routine)
7 March 2026Ft Richardson Wtp, USdaily snowfall (Tie)10.2 cm (4.0 in)tie28 years2 of 100 (Routine)

Climate Trend

22 complete years, 1991 to 2025
Annual mean temperature at Ft Richardson Wtp as warming stripes, 1991 to 2025 One stripe for each of 22 complete years at Ft Richardson Wtp, 1991 to 2025. Blue stripes are years cooler than the station's own mean of 2.3 C (36.1 F); red stripes are warmer. The coolest year was 1996, at 0.5 C (32.8 F), and the warmest was 2016, at 4.2 C (39.6 F). The strongest colour marks a difference of 2.0 C (3.6 F). 1991: 2.1 C, -0.1 C from the station mean1992: 1.0 C, -1.2 C from the station mean1993: 3.4 C, +1.1 C from the station mean1995: 1.8 C, -0.4 C from the station mean1996: 0.5 C, -1.8 C from the station mean1997: 2.8 C, +0.5 C from the station mean1998: 2.1 C, -0.2 C from the station mean1999: 0.6 C, -1.7 C from the station mean2001: 2.3 C, 0.0 C from the station mean2002: 3.4 C, +1.1 C from the station mean2003: 3.1 C, +0.8 C from the station mean2005: 3.2 C, +0.9 C from the station mean2007: 1.8 C, -0.4 C from the station mean2008: 0.6 C, -1.6 C from the station mean2009: 2.8 C, +0.5 C from the station mean2010: 3.3 C, +1.0 C from the station mean2016: 4.2 C, +2.0 C from the station mean2020: 1.8 C, -0.5 C from the station mean2021: 1.1 C, -1.2 C from the station mean2023: 2.2 C, -0.1 C from the station mean2024: 2.4 C, +0.1 C from the station mean2025: 3.4 C, +1.1 C from the station mean19911995200020052010201520202025
One stripe for each of 22 complete years at Ft Richardson Wtp, 1991 to 2025. Blue stripes are years cooler than the station's own mean of 2.3 C (36.1 F); red stripes are warmer. The coolest year was 1996, at 0.5 C (32.8 F), and the warmest was 2016, at 4.2 C (39.6 F). The strongest colour marks a difference of 2.0 C (3.6 F).
Annual mean temperature at Ft Richardson Wtp as warming stripes, 1991 to 2025
YearAnnual mean temperatureDifference from the station mean
19912.1 C-0.14 C
19921.0 C-1.24 C
19933.4 C+1.14 C
19951.8 C-0.44 C
19960.5 C-1.78 C
19972.8 C+0.55 C
19982.1 C-0.16 C
19990.6 C-1.66 C
20012.3 C0.00 C
20023.4 C+1.10 C
20033.1 C+0.81 C
20053.2 C+0.92 C
20071.8 C-0.44 C
20080.6 C-1.63 C
20092.8 C+0.50 C
20103.3 C+1.02 C
20164.2 C+1.98 C
20201.8 C-0.47 C
20211.1 C-1.15 C
20232.2 C-0.06 C
20242.4 C+0.12 C
20253.4 C+1.12 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

1990 to 2026
Yearly extremes at Ft Richardson Wtp: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)30.6 C (87.1 F)201926.1 C (79.0 F)37
Coldest night (TNn)-33.9 C (-29.0 F)1999-25.6 C (-14.1 F)37
Wettest day (Rx1day)81.3 mm (3.2 in)201624.4 mm (1.0 in)37
Wettest five days (Rx5day)94.1 mm (3.7 in)201645.2 mm (1.8 in)37
Longest dry spell (CDD)66 days199631 days37

Hottest day (TXx)

Hottest day (TXx) at Ft Richardson Wtp by year The hottest day of the year at Ft Richardson Wtp, 1990 to 2026. The record is 30.6 C (87.1 F) in 2019, marked on the chart; the median year is 26.1 C (79.0 F). 15202530351990200020102020Record: 30.6 C (87.1 F) in 2019
The hottest day of the year at Ft Richardson Wtp, 1990 to 2026. The record is 30.6 C (87.1 F) in 2019, marked on the chart; the median year is 26.1 C (79.0 F).
Hottest day (TXx) at Ft Richardson Wtp by year
YearHottest day (TXx)
199026.7 C (80.1 F)
199125.6 C (78.1 F)
199225.0 C (77.0 F)
199327.8 C (82.0 F)
199425.6 C (78.1 F)
199525.6 C (78.1 F)
199624.4 C (75.9 F)
199726.7 C (80.1 F)
199824.4 C (75.9 F)
199926.7 C (80.1 F)
200023.3 C (73.9 F)
200125.0 C (77.0 F)
200226.7 C (80.1 F)
200328.3 C (82.9 F)
200428.9 C (84.0 F)
200527.2 C (81.0 F)
200624.4 C (75.9 F)
200726.7 C (80.1 F)
200822.2 C (72.0 F)
200928.3 C (82.9 F)
201026.1 C (79.0 F)
201126.1 C (79.0 F)
201223.9 C (75.0 F)
201329.4 C (84.9 F)
201422.8 C (73.0 F)
201528.9 C (84.0 F)
201626.1 C (79.0 F)
201724.4 C (75.9 F)
201826.1 C (79.0 F)
201930.6 C (87.1 F)
202025.6 C (78.1 F)
202127.2 C (81.0 F)
202226.1 C (79.0 F)
202323.3 C (73.9 F)
202425.6 C (78.1 F)
202525.0 C (77.0 F)
202617.2 C (63.0 F)

Coldest night (TNn)

Coldest night (TNn) at Ft Richardson Wtp by year The coldest night of the year at Ft Richardson Wtp, 1990 to 2026. The record is -33.9 C (-29.0 F) in 1999, marked on the chart; the median year is -25.6 C (-14.1 F). -35-30-25-20-151990200020102020Record: -33.9 C (-29.0 F) in 1999
The coldest night of the year at Ft Richardson Wtp, 1990 to 2026. The record is -33.9 C (-29.0 F) in 1999, marked on the chart; the median year is -25.6 C (-14.1 F).
Coldest night (TNn) at Ft Richardson Wtp by year
YearColdest night (TNn)
1990-27.8 C (-18.0 F)
1991-27.2 C (-17.0 F)
1992-27.2 C (-17.0 F)
1993-29.4 C (-20.9 F)
1994-26.1 C (-15.0 F)
1995-26.7 C (-16.1 F)
1996-25.6 C (-14.1 F)
1997-30.6 C (-23.1 F)
1998-23.9 C (-11.0 F)
1999-33.9 C (-29.0 F)
2000-23.3 C (-9.9 F)
2001-27.8 C (-18.0 F)
2002-23.9 C (-11.0 F)
2003-25.6 C (-14.1 F)
2004-29.4 C (-20.9 F)
2005-25.0 C (-13.0 F)
2006-25.6 C (-14.1 F)
2007-27.2 C (-17.0 F)
2008-25.6 C (-14.1 F)
2009-28.9 C (-20.0 F)
2010-21.1 C (-6.0 F)
2011-25.6 C (-14.1 F)
2012-27.2 C (-17.0 F)
2013-24.4 C (-11.9 F)
2014-19.4 C (-2.9 F)
2015-22.2 C (-8.0 F)
2016-21.7 C (-7.1 F)
2017-26.7 C (-16.1 F)
2018-19.4 C (-2.9 F)
2019-20.6 C (-5.1 F)
2020-27.2 C (-17.0 F)
2021-23.9 C (-11.0 F)
2022-22.8 C (-9.0 F)
2023-22.8 C (-9.0 F)
2024-29.4 C (-20.9 F)
2025-23.9 C (-11.0 F)
2026-27.8 C (-18.0 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Ft Richardson Wtp by year The wettest day of the year at Ft Richardson Wtp, 1990 to 2026. The record is 81.3 mm (3.2 in) in 2016, marked on the chart; the median year is 24.4 mm (1.0 in). 0204060801001990200020102020Record: 81.3 mm (3.2 in) in 2016
The wettest day of the year at Ft Richardson Wtp, 1990 to 2026. The record is 81.3 mm (3.2 in) in 2016, marked on the chart; the median year is 24.4 mm (1.0 in).
Wettest day (Rx1day) at Ft Richardson Wtp by year
YearWettest day (Rx1day)
199024.4 mm (1.0 in)
199133.5 mm (1.3 in)
199233.5 mm (1.3 in)
199323.4 mm (0.9 in)
199435.6 mm (1.4 in)
199528.7 mm (1.1 in)
199619.8 mm (0.8 in)
199750.8 mm (2.0 in)
199827.2 mm (1.1 in)
199931.0 mm (1.2 in)
200016.0 mm (0.6 in)
200116.8 mm (0.7 in)
200233.0 mm (1.3 in)
200320.1 mm (0.8 in)
200450.0 mm (2.0 in)
200529.2 mm (1.1 in)
200623.4 mm (0.9 in)
200719.3 mm (0.8 in)
200823.4 mm (0.9 in)
200924.1 mm (0.9 in)
201019.6 mm (0.8 in)
201117.5 mm (0.7 in)
201229.2 mm (1.1 in)
201323.4 mm (0.9 in)
201420.3 mm (0.8 in)
201533.5 mm (1.3 in)
201681.3 mm (3.2 in)
201718.3 mm (0.7 in)
201838.1 mm (1.5 in)
201920.6 mm (0.8 in)
202020.6 mm (0.8 in)
202138.1 mm (1.5 in)
202229.7 mm (1.2 in)
202334.8 mm (1.4 in)
202445.2 mm (1.8 in)
202518.3 mm (0.7 in)
202613.5 mm (0.5 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Ft Richardson Wtp by year The wettest five days of the year at Ft Richardson Wtp, 1990 to 2026. The record is 94.1 mm (3.7 in) in 2016, marked on the chart; the median year is 45.2 mm (1.8 in). 204060801001990200020102020Record: 94.1 mm (3.7 in) in 2016
The wettest five days of the year at Ft Richardson Wtp, 1990 to 2026. The record is 94.1 mm (3.7 in) in 2016, marked on the chart; the median year is 45.2 mm (1.8 in).
Wettest five days (Rx5day) at Ft Richardson Wtp by year
YearWettest five days (Rx5day)
199040.7 mm (1.6 in)
199156.6 mm (2.2 in)
199234.0 mm (1.3 in)
199332.3 mm (1.3 in)
199462.0 mm (2.4 in)
199540.4 mm (1.6 in)
199647.4 mm (1.9 in)
199758.7 mm (2.3 in)
199848.7 mm (1.9 in)
199945.2 mm (1.8 in)
200047.5 mm (1.9 in)
200138.9 mm (1.5 in)
200256.3 mm (2.2 in)
200336.6 mm (1.4 in)
200474.1 mm (2.9 in)
200542.2 mm (1.7 in)
200657.3 mm (2.3 in)
200749.6 mm (2.0 in)
200830.1 mm (1.2 in)
200937.8 mm (1.5 in)
201037.7 mm (1.5 in)
201131.8 mm (1.3 in)
201275.0 mm (3.0 in)
201350.6 mm (2.0 in)
201444.2 mm (1.7 in)
201578.3 mm (3.1 in)
201694.1 mm (3.7 in)
201733.0 mm (1.3 in)
201843.7 mm (1.7 in)
201934.8 mm (1.4 in)
202034.1 mm (1.3 in)
202158.4 mm (2.3 in)
202265.2 mm (2.6 in)
202351.1 mm (2.0 in)
202487.9 mm (3.5 in)
202544.9 mm (1.8 in)
202626.0 mm (1.0 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Ft Richardson Wtp by year The longest dry spell of the year at Ft Richardson Wtp, 1990 to 2026. The record is 66 days in 1996, marked on the chart; the median year is 31 days. 0204060801990200020102020Record: 66 days in 1996
The longest dry spell of the year at Ft Richardson Wtp, 1990 to 2026. The record is 66 days in 1996, marked on the chart; the median year is 31 days.
Longest dry spell (CDD) at Ft Richardson Wtp by year
YearLongest dry spell (CDD)
199022 days
199131 days
199233 days
199346 days
199434 days
199543 days
199666 days
199736 days
199861 days
199921 days
200044 days
200133 days
200222 days
200325 days
200423 days
200525 days
200630 days
200746 days
200828 days
200931 days
201041 days
20112 days
201213 days
201332 days
201428 days
201519 days
201640 days
201730 days
201847 days
201934 days
202030 days
202131 days
202214 days
202323 days
202420 days
202536 days
202627 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

22 years with a frost

Across 22 years with a frost, the median last spring frost at Ft Richardson Wtp falls on 8 May and the median first autumn frost on 27 September, which leaves a median of 137 days between them.

Frost dates and growing season at Ft Richardson Wtp
MeasureMedian, all yearsEarliest periodRecent period (1991 to 2025)Recent against earliestFitted trend
Last spring frost8 Mayn/a8 Mayn/an/a
First autumn frost27 Septembern/a27 Septembern/an/a
Growing days137 daysn/a137 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.

Download the Data

  • Data for Ft Richardson Wtp standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Ft Richardson Wtp 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 (2026-10-12).