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Built 2026-10-17 (17 October 2026)

Chulitna Rvr Threshold Days by Year

13 fixed thresholds counted per year at Chulitna Rvr (USC00501926): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Chulitna Rvr Thresholds

  • Chulitna Rvr: days with 10 cm (3.9 in) or more of snowfall in 39 years, most in 1990 with 27.
  • Chulitna Rvr: days with 25 cm (9.8 in) or more of snowfall in 37 years, most in 1990 with 9.
  • Chulitna Rvr: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 2002 with 38.
  • Chulitna Rvr: days with 25 mm (0.98 in) or more of precipitation in 31 years, most in 1979 with 12.
  • 13 fixed thresholds have at least one qualifying day at Chulitna Rvr.
22 years with a qualifying day
Nights at or below 0 C (32 F) per year at Chulitna Rvr Days per year at Chulitna Rvr with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 241 in 2010. 01002003001972: 2291979: 2021980: 2161981: 2021983: 2141984: 2001985: 2201986: 2101987: 2031988: 2061990: 2061998: 2312000: 2322001: 2272002: 2262008: 2352009: 2162010: 2412012: 2372016: 2162020: 2222021: 22919721981198519882000200820122021
Days per year at Chulitna Rvr with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 241 in 2010.
Nights at or below 0 C (32 F) per year at Chulitna Rvr
YearDaysDecade average
1972229215.5
1979202215.5
1980216208.9
1981202208.9
1983214208.9
1984200208.9
1985220208.9
1986210208.9
1987203208.9
1988206208.9
1990206218.5
1998231218.5
2000232227.2
2001227227.2
2002226227.2
2008235227.2
2009216227.2
2010241231.3
2012237231.3
2016216231.3
2020222225.5
2021229225.5
First to last qualifying date each year at Chulitna Rvr For each year, a bar from the first to the last day at Chulitna Rvr meeting 0 C (32 F). 1972: 1 January 1972 to 31 December 19721979: 1 January 1979 to 31 December 19791980: 1 January 1980 to 31 December 19801981: 2 January 1981 to 31 December 19811983: 1 January 1983 to 31 December 19831984: 1 January 1984 to 31 December 19841985: 2 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 19881990: 1 January 1990 to 31 December 19901998: 1 January 1998 to 31 December 19982000: 1 January 2000 to 31 December 20002001: 3 January 2001 to 31 December 20012002: 1 January 2002 to 31 December 20022008: 1 January 2008 to 31 December 20082009: 1 January 2009 to 31 December 20092010: 1 January 2010 to 31 December 20102012: 1 January 2012 to 31 December 20122016: 1 January 2016 to 31 December 20162020: 1 January 2020 to 29 December 20202021: 1 January 2021 to 30 December 202119721981198519882000200820122021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Chulitna Rvr meeting 0 C (32 F).
First to last qualifying date each year at Chulitna Rvr
YearFirst dateLast date
19721972-01-011972-12-31
19791979-01-011979-12-31
19801980-01-011980-12-31
19811981-01-021981-12-31
19831983-01-011983-12-31
19841984-01-011984-12-31
19851985-01-021985-12-31
19861986-01-011986-12-31
19871987-01-011987-12-31
19881988-01-011988-12-31
19901990-01-011990-12-31
19981998-01-011998-12-31
20002000-01-012000-12-31
20012001-01-032001-12-31
20022002-01-012002-12-31
20082008-01-012008-12-31
20092009-01-012009-12-31
20102010-01-012010-12-31
20122012-01-012012-12-31
20162016-01-012016-12-31
20202020-01-012020-12-29
20212021-01-012021-12-30

Every Fixed Threshold

Fixed thresholds at Chulitna Rvr
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2219721
0 C (32 F): Ice days (max231771972145
0 C (32 F): Frost days (min222412010229
-10 C (14 F): Days with min221391972124
-20 C (-4 F): Days with min2254202023
-30 C (-22 F): Days with min5520012
10 mm (0.39 in): Days with 10 mm or more rain3238200223
25 mm (0.98 in): Days with 25 mm or more rain311219792
50 mm (1.97 in): Days with 50 mm or more rain20420121
100 mm (3.94 in): Days with 100 mm or more rain1119861
10 cm (3.9 in): Days with 10 cm or more snowfall3927199018
25 cm (9.8 in): Days with 25 cm or more snowfall37919904
50 cm (19.7 in): Days with 50 cm or more snowfall5419902

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1972.

Download the Data

  • Data for Chulitna Rvr 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).