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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Hayes River Threshold Days by Year

12 fixed thresholds counted per year at Hayes River (USC00503573): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hayes River Thresholds

  • Hayes River: nights with a minimum temperature at or below 0 C (32 F) in 18 years, most in 1992 with 254.
  • Hayes River: nights with a minimum temperature at or below -10 C (14 F) in 18 years, most in 1989 with 128.
  • Hayes River: nights with a minimum temperature at or below -20 C (-4 F) in 18 years, most in 1990 with 58.
  • Hayes River: days with 10 cm (3.9 in) or more of snowfall in 18 years, most in 1987 with 30.
  • 12 fixed thresholds have at least one qualifying day at Hayes River.
18 years with a qualifying day
Nights at or below 0 C (32 F) per year at Hayes River Days per year at Hayes River with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 254 in 1992. 01002003001981: 2311982: 2361983: 2361984: 2331985: 2461986: 2311987: 2391988: 2371989: 2271990: 2121991: 2251992: 2541993: 2161994: 2061995: 1811996: 2311998: 2332006: 211198119831985198719891991199319951998
Days per year at Hayes River with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 254 in 1992.
Nights at or below 0 C (32 F) per year at Hayes River
YearDaysDecade average
1981231235.1
1982236235.1
1983236235.1
1984233235.1
1985246235.1
1986231235.1
1987239235.1
1988237235.1
1989227235.1
1990212219.8
1991225219.8
1992254219.8
1993216219.8
1994206219.8
1995181219.8
1996231219.8
1998233219.8
2006211211
First to last qualifying date each year at Hayes River For each year, a bar from the first to the last day at Hayes River meeting 0 C (32 F). 1981: 1 January 1981 to 31 December 19811982: 1 January 1982 to 31 December 19821983: 1 January 1983 to 31 December 19831984: 1 January 1984 to 31 December 19841985: 1 January 1985 to 31 December 19851986: 1 January 1986 to 31 December 19861987: 1 January 1987 to 31 December 19871988: 1 January 1988 to 31 December 19881989: 1 January 1989 to 31 December 19891990: 1 January 1990 to 31 December 19901991: 1 January 1991 to 31 December 19911992: 1 January 1992 to 30 December 19921993: 1 January 1993 to 31 December 19931994: 1 January 1994 to 31 December 19941995: 1 January 1995 to 31 December 19951996: 1 January 1996 to 31 December 19961998: 1 January 1998 to 31 December 19982006: 1 January 2006 to 31 December 2006198119841987199019931996JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hayes River meeting 0 C (32 F).
First to last qualifying date each year at Hayes River
YearFirst dateLast date
19811981-01-011981-12-31
19821982-01-011982-12-31
19831983-01-011983-12-31
19841984-01-011984-12-31
19851985-01-011985-12-31
19861986-01-011986-12-31
19871987-01-011987-12-31
19881988-01-011988-12-31
19891989-01-011989-12-31
19901990-01-011990-12-31
19911991-01-011991-12-31
19921992-01-011992-12-30
19931993-01-011993-12-31
19941994-01-011994-12-31
19951995-01-011995-12-31
19961996-01-011996-12-31
19981998-01-011998-12-31
20062006-01-012006-12-31

Every Fixed Threshold

Fixed thresholds at Hayes River
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1219912
0 C (32 F): Ice days (max16144198275
0 C (32 F): Frost days (min182541992211
-10 C (14 F): Days with min181281989117
-20 C (-4 F): Days with min1858199031
-30 C (-22 F): Days with min9719891
10 mm (0.39 in): Days with 10 mm or more rain1748198722
25 mm (0.98 in): Days with 25 mm or more rain171119876
50 mm (1.97 in): Days with 50 mm or more rain8519943
10 cm (3.9 in): Days with 10 cm or more snowfall1830198715
25 cm (9.8 in): Days with 25 cm or more snowfall181319873
50 cm (19.7 in): Days with 50 cm or more snowfall11219821

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1991.

Download the Data

  • Data for Hayes River 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 (2025-12-31).