Daily records
Page built 2026-10-19
Data as of 2026-10-17
Search
Built 2026-10-19 (19 October 2026)

Thule Op Site Threshold Days by Year (GLW00017605)

10 fixed thresholds counted per year at Thule Op Site (GLW00017605): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Thule Op Site Thresholds

  • Thule Op Site: nights with a minimum temperature at or below 0 C (32 F) in 32 years, most in 1970 with 330.
  • Thule Op Site: nights with a minimum temperature at or below -10 C (14 F) in 32 years, most in 1961 with 235.
  • Thule Op Site: nights with a minimum temperature at or below -20 C (-4 F) in 32 years, most in 1961 with 172.
  • Thule Op Site: nights with a minimum temperature at or below -30 C (-22 F) in 32 years, most in 1961 with 97.
  • 10 fixed thresholds have at least one qualifying day at Thule Op Site.
32 years with a qualifying day
Nights at or below 0 C (32 F) per year at Thule Op Site Days per year at Thule Op Site with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 330 in 1970. 01002003004001952: 3031953: 2991954: 2851955: 2911956: 2931957: 2721958: 2991959: 3011960: 2861961: 2971962: 3011963: 3081964: 3251965: 3191966: 3121967: 3231968: 3231969: 2811970: 3301971: 3111972: 3232014: 2842016: 2702017: 2802019: 2602020: 2812021: 2712022: 2832023: 2892024: 2662025: 2702026: 18419521956196019641968197220192023
Days per year at Thule Op Site with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 330 in 1970.
Nights at or below 0 C (32 F) per year at Thule Op Site
YearDaysDecade average
1952303292.9
1953299292.9
1954285292.9
1955291292.9
1956293292.9
1957272292.9
1958299292.9
1959301292.9
1960286307.5
1961297307.5
1962301307.5
1963308307.5
1964325307.5
1965319307.5
1966312307.5
1967323307.5
1968323307.5
1969281307.5
1970330321.3
1971311321.3
1972323321.3
2014284273.5
2016270273.5
2017280273.5
2019260273.5
2020281263.4
2021271263.4
2022283263.4
2023289263.4
2024266263.4
2025270263.4
2026184263.4
First to last qualifying date each year at Thule Op Site For each year, a bar from the first to the last day at Thule Op Site meeting 0 C (32 F). 1952: 1 January 1952 to 31 December 19521953: 1 January 1953 to 31 December 19531954: 1 January 1954 to 31 December 19541955: 1 January 1955 to 31 December 19551956: 1 January 1956 to 31 December 19561957: 1 January 1957 to 31 December 19571958: 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 19611962: 1 January 1962 to 31 December 19621963: 1 January 1963 to 31 December 19631964: 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 30 December 19701971: 1 January 1971 to 31 December 19711972: 1 January 1972 to 31 December 19722014: 1 January 2014 to 31 December 20142016: 1 January 2016 to 31 December 20162017: 1 January 2017 to 31 December 20172019: 1 January 2019 to 31 December 20192020: 1 January 2020 to 31 December 20202021: 1 January 2021 to 31 December 20212022: 1 January 2022 to 31 December 20222023: 1 January 2023 to 31 December 20232024: 1 January 2024 to 31 December 20242025: 1 January 2025 to 31 December 20252026: 1 January 2026 to 12 October 202619521956196019641968197220192023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Thule Op Site meeting 0 C (32 F).
First to last qualifying date each year at Thule Op Site
YearFirst dateLast date
19521952-01-011952-12-31
19531953-01-011953-12-31
19541954-01-011954-12-31
19551955-01-011955-12-31
19561956-01-011956-12-31
19571957-01-011957-12-31
19581958-01-011958-12-31
19591959-01-011959-12-31
19601960-01-011960-12-31
19611961-01-011961-12-31
19621962-01-011962-12-31
19631963-01-011963-12-31
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
19701970-01-011970-12-30
19711971-01-011971-12-31
19721972-01-011972-12-31
20142014-01-012014-12-31
20162016-01-012016-12-31
20172017-01-012017-12-31
20192019-01-012019-12-31
20202020-01-012020-12-31
20212021-01-012021-12-31
20222022-01-012022-12-31
20232023-01-012023-12-31
20242024-01-012024-12-31
20252025-01-012025-12-31
20262026-01-012026-10-12

Every Fixed Threshold

Fixed thresholds at Thule Op Site
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
0 C (32 F): Ice days (max302711961147
0 C (32 F): Frost days (min323301970184
-10 C (14 F): Days with min322351961129
-20 C (-4 F): Days with min32172196172
-30 C (-22 F): Days with min3297196111
-40 C (-40 F): Days with min8619611
10 mm (0.39 in): Days with 10 mm or more rain18519582
25 mm (0.98 in): Days with 25 mm or more rain3219571
10 cm (3.9 in): Days with 10 cm or more snowfall12519581
25 cm (9.8 in): Days with 25 cm or more snowfall2119641

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

Download the Data

  • Data for Thule Op Site 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).