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

Sleetmute Threshold Days by Year

11 fixed thresholds counted per year at Sleetmute (USC00508554): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sleetmute Thresholds

  • Sleetmute: days with a maximum temperature at or below 0 C (32 F) in 6 years, most in 1959 with 160.
  • Sleetmute: days with 10 mm (0.39 in) or more of precipitation in 5 years, most in 1961 with 22.
  • Sleetmute: nights with a minimum temperature at or below 0 C (32 F) in 4 years, most in 1958 with 232.
  • Sleetmute: nights with a minimum temperature at or below -10 C (14 F) in 4 years, most in 1959 with 147.
  • 11 fixed thresholds have at least one qualifying day at Sleetmute.
4 years with a qualifying day
Nights at or below 0 C (32 F) per year at Sleetmute Days per year at Sleetmute with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 232 in 1958. 01002003001958: 2321959: 2311960: 2251961: 2131958195919601961
Days per year at Sleetmute with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 232 in 1958.
Nights at or below 0 C (32 F) per year at Sleetmute
YearDaysDecade average
1958232231.5
1959231231.5
1960225219
1961213219
First to last qualifying date each year at Sleetmute For each year, a bar from the first to the last day at Sleetmute meeting 0 C (32 F). 1958: 1 January 1958 to 31 December 19581959: 1 January 1959 to 31 December 19591960: 1 January 1960 to 31 December 19601961: 1 January 1961 to 31 December 19611958195919601961JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sleetmute meeting 0 C (32 F).
First to last qualifying date each year at Sleetmute
YearFirst dateLast date
19581958-01-011958-12-31
19591959-01-011959-12-31
19601960-01-011960-12-31
19611961-01-011961-12-31

Every Fixed Threshold

Fixed thresholds at Sleetmute
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1119601
0 C (32 F): Ice days (max61601959146
0 C (32 F): Frost days (min42321958213
-10 C (14 F): Days with min41471959139
-20 C (-4 F): Days with min495196195
-30 C (-22 F): Days with min437196137
-40 C (-40 F): Days with min3719617
10 mm (0.39 in): Days with 10 mm or more rain522196122
25 mm (0.98 in): Days with 25 mm or more rain4319583
10 cm (3.9 in): Days with 10 cm or more snowfall3919609
25 cm (9.8 in): Days with 25 cm or more snowfall1119581

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1960.

Download the Data

  • Data for Sleetmute 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

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