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Built 2026-10-19 (19 October 2026)

Haines 40NW Threshold Days by Year (USC00503504)

14 fixed thresholds counted per year at Haines 40NW (USC00503504): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Haines 40NW Thresholds

  • Haines 40NW: days with 10 cm (3.9 in) or more of snowfall in 36 years, most in 1999 with 43.
  • Haines 40NW: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 1999 with 62.
  • Haines 40NW: days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 2010 with 20.
  • Haines 40NW: days with a maximum temperature at or below 0 C (32 F) in 33 years, most in 2012 with 111.
  • 14 fixed thresholds have at least one qualifying day at Haines 40NW.
13 years with a qualifying day
Days at or above 30 C (86 F) per year at Haines 40NW Days per year at Haines 40NW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 10 in 2004. 0358101990: 41999: 22004: 102005: 42009: 42010: 32013: 32015: 22016: 32018: 42019: 42023: 22026: 11990200420092013201620192026
Days per year at Haines 40NW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 10 in 2004.
Days at or above 30 C (86 F) per year at Haines 40NW
YearDaysDecade average
199043
199923
2004106
200546
200946
201033.2
201333.2
201523.2
201633.2
201843.2
201943.2
202321.5
202611.5
First to last qualifying date each year at Haines 40NW For each year, a bar from the first to the last day at Haines 40NW meeting 30 C (86 F). 1990: 21 July 1990 to 14 August 19901999: 5 August 1999 to 6 August 19992004: 22 June 2004 to 17 August 20042005: 11 August 2005 to 14 August 20052009: 8 July 2009 to 31 July 20092010: 4 August 2010 to 16 August 20102013: 25 June 2013 to 31 July 20132015: 7 July 2015 to 8 July 20152016: 18 July 2016 to 20 July 20162018: 22 July 2018 to 31 July 20182019: 29 June 2019 to 7 July 20192023: 7 July 2023 to 8 July 20232026: 15 August 2026 to 15 August 20261990200420092013201620192026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Haines 40NW meeting 30 C (86 F).
First to last qualifying date each year at Haines 40NW
YearFirst dateLast date
19901990-07-211990-08-14
19991999-08-051999-08-06
20042004-06-222004-08-17
20052005-08-112005-08-14
20092009-07-082009-07-31
20102010-08-042010-08-16
20132013-06-252013-07-31
20152015-07-072015-07-08
20162016-07-182016-07-20
20182018-07-222018-07-31
20192019-06-292019-07-07
20232023-07-072023-07-08
20262026-08-152026-08-15

Every Fixed Threshold

Fixed thresholds at Haines 40NW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days131020041
90 F (32.2 C): Days3320051
0 C (32 F): Ice days (max33111201259
0 C (32 F): Frost days (min332271992135
-10 C (14 F): Days with min3395199057
-20 C (-4 F): Days with min3333199011
-30 C (-22 F): Days with min2419902
10 mm (0.39 in): Days with 10 mm or more rain3562199919
25 mm (0.98 in): Days with 25 mm or more rain352020105
50 mm (1.97 in): Days with 50 mm or more rain23420231
100 mm (3.94 in): Days with 100 mm or more rain3119991
10 cm (3.9 in): Days with 10 cm or more snowfall364319999
25 cm (9.8 in): Days with 25 cm or more snowfall331019991
50 cm (19.7 in): Days with 50 cm or more snowfall11220012

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1990.

Download the Data

  • Data for Haines 40NW 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-17).