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Data as of 2025-12-31
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Built 2026-10-17 (17 October 2026)

Pitkin Threshold Days by Year

11 fixed thresholds counted per year at Pitkin (USC00056513): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Pitkin Thresholds

  • Pitkin: days with 10 mm (0.39 in) or more of precipitation in 64 years, most in 1957 with 26.
  • Pitkin: days with 10 cm (3.9 in) or more of snowfall in 47 years, most in 1956 with 22.
  • Pitkin: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1969 with 6.
  • Pitkin: days with 25 cm (9.8 in) or more of snowfall in 25 years, most in 1969 with 5.
  • 11 fixed thresholds have at least one qualifying day at Pitkin.
16 years with a qualifying day
Nights at or below 0 C (32 F) per year at Pitkin Days per year at Pitkin with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 315 in 1968. 01002003004001964: 3081965: 3061966: 3131967: 3031968: 3151969: 2891970: 2931971: 3001972: 2841973: 2961974: 3021975: 3081978: 3041979: 3031980: 3011981: 26719641966196819701972197419781980
Days per year at Pitkin with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 315 in 1968.
Nights at or below 0 C (32 F) per year at Pitkin
YearDaysDecade average
1964308305.7
1965306305.7
1966313305.7
1967303305.7
1968315305.7
1969289305.7
1970293298.8
1971300298.8
1972284298.8
1973296298.8
1974302298.8
1975308298.8
1978304298.8
1979303298.8
1980301284
1981267284
First to last qualifying date each year at Pitkin For each year, a bar from the first to the last day at Pitkin meeting 0 C (32 F). 1964: 1 January 1964 to 31 December 19641965: 1 January 1965 to 31 December 19651966: 1 January 1966 to 31 December 19661967: 1 January 1967 to 31 December 19671968: 1 January 1968 to 31 December 19681969: 1 January 1969 to 31 December 19691970: 1 January 1970 to 31 December 19701971: 1 January 1971 to 31 December 19711972: 1 January 1972 to 31 December 19721973: 1 January 1973 to 31 December 19731974: 1 January 1974 to 31 December 19741975: 1 January 1975 to 31 December 19751978: 1 January 1978 to 31 December 19781979: 1 January 1979 to 31 December 19791980: 1 January 1980 to 31 December 19801981: 1 January 1981 to 31 December 198119641966196819701972197419781980JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Pitkin meeting 0 C (32 F).
First to last qualifying date each year at Pitkin
YearFirst dateLast date
19641964-01-011964-12-31
19651965-01-011965-12-31
19661966-01-011966-12-31
19671967-01-011967-12-31
19681968-01-011968-12-31
19691969-01-011969-12-31
19701970-01-011970-12-31
19711971-01-011971-12-31
19721972-01-011972-12-31
19731973-01-011973-12-31
19741974-01-011974-12-31
19751975-01-011975-12-31
19781978-01-011978-12-31
19791979-01-011979-12-31
19801980-01-011980-12-31
19811981-01-011981-12-31

Every Fixed Threshold

Fixed thresholds at Pitkin
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1119751
0 C (32 F): Ice days (max16122197964
0 C (32 F): Frost days (min163151968267
-10 C (14 F): Days with min161591970127
-20 C (-4 F): Days with min1668196423
-30 C (-22 F): Days with min151119642
10 mm (0.39 in): Days with 10 mm or more rain642619576
25 mm (0.98 in): Days with 25 mm or more rain30619693
50 mm (1.97 in): Days with 50 mm or more rain3119421
10 cm (3.9 in): Days with 10 cm or more snowfall472219567
25 cm (9.8 in): Days with 25 cm or more snowfall25519692

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1975.

Download the Data

  • Data for Pitkin 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).