Built 2026-10-19 (19 October 2026)

Belcourt Keya Radio Threshold Days by Year (USC00320626)

19 fixed thresholds counted per year at Belcourt Keya Radio (USC00320626): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Belcourt Keya Radio Thresholds

  • Belcourt Keya Radio: days with a maximum temperature at or above 30 C (86 F) in 53 years, most in 1961 with 40.
  • Belcourt Keya Radio: days with a maximum temperature at or below 0 C (32 F) in 53 years, most in 1950 with 140.
  • Belcourt Keya Radio: days with 10 mm (0.39 in) or more of precipitation in 51 years, most in 1954 with 21.
  • Belcourt Keya Radio: days with a maximum temperature at or above 90 F (32.2 C) in 49 years, most in 1961 with 24.
  • 19 fixed thresholds have at least one qualifying day at Belcourt Keya Radio.
53 years with a qualifying day
Days at or above 30 C (86 F) per year at Belcourt Keya Radio Days per year at Belcourt Keya Radio with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 40 in 1961. 0102030401946: 131947: 211948: 181949: 211950: 41951: 81952: 191953: 141954: 61955: 191956: 91957: 181958: 221959: 271960: 241961: 401962: 41963: 161964: 121965: 61966: 171967: 131968: 71969: 211971: 121972: 121974: 121975: 141976: 231981: 121983: 281984: 251985: 81986: 112001: 162004: 22006: 232007: 122008: 112009: 52010: 142011: 152012: 192014: 62015: 132019: 122020: 172021: 242022: 212023: 182024: 82025: 132026: 13194619521958196419711983200620122022
Days per year at Belcourt Keya Radio with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 40 in 1961.
Days at or above 30 C (86 F) per year at Belcourt Keya Radio
YearDaysDecade average
19461318.3
19472118.3
19481818.3
19492118.3
1950414.6
1951814.6
19521914.6
19531414.6
1954614.6
19551914.6
1956914.6
19571814.6
19582214.6
19592714.6
19602416
19614016
1962416
19631616
19641216
1965616
19661716
19671316
1968716
19692116
19711214.6
19721214.6
19741214.6
19751414.6
19762314.6
19811216.8
19832816.8
19842516.8
1985816.8
19861116.8
20011611.5
2004211.5
20062311.5
20071211.5
20081111.5
2009511.5
20101413.2
20111513.2
20121913.2
2014613.2
20151313.2
20191213.2
20201716.3
20212416.3
20222116.3
20231816.3
2024816.3
20251316.3
20261316.3
First to last qualifying date each year at Belcourt Keya Radio For each year, a bar from the first to the last day at Belcourt Keya Radio meeting 30 C (86 F). 1946: 28 May 1946 to 14 September 19461947: 3 July 1947 to 22 August 19471948: 19 May 1948 to 11 September 19481949: 10 June 1949 to 25 August 19491950: 28 July 1950 to 5 September 19501951: 20 July 1951 to 1 August 19511952: 26 April 1952 to 27 September 19521953: 11 June 1953 to 31 August 19531954: 23 June 1954 to 31 August 19541955: 18 July 1955 to 5 September 19551956: 21 May 1956 to 15 August 19561957: 1 July 1957 to 7 August 19571958: 12 May 1958 to 1 September 19581959: 3 June 1959 to 13 September 19591960: 7 July 1960 to 21 September 19601961: 4 June 1961 to 31 August 19611962: 27 June 1962 to 22 August 19621963: 28 June 1963 to 4 October 19631964: 20 May 1964 to 5 August 19641965: 2 August 1965 to 14 August 19651966: 21 May 1966 to 12 September 19661967: 29 June 1967 to 24 August 19671968: 3 June 1968 to 11 July 19681969: 26 May 1969 to 13 September 19691971: 7 August 1971 to 2 September 19711972: 17 May 1972 to 31 August 19721974: 25 June 1974 to 7 August 19741975: 4 July 1975 to 10 August 19751976: 20 June 1976 to 18 September 19761981: 4 July 1981 to 10 September 19811983: 11 June 1983 to 3 September 19831984: 17 May 1984 to 29 August 19841985: 4 July 1985 to 23 July 19851986: 26 May 1986 to 20 August 19862001: 15 May 2001 to 6 September 20012004: 19 July 2004 to 20 July 20042006: 24 May 2006 to 8 September 20062007: 24 June 2007 to 2 September 20072008: 1 July 2008 to 2 September 20082009: 24 July 2009 to 6 September 20092010: 3 July 2010 to 31 August 20102011: 1 July 2011 to 29 September 20112012: 18 May 2012 to 30 August 20122014: 25 May 2014 to 27 September 20142015: 5 July 2015 to 14 September 20152019: 31 May 2019 to 7 August 20192020: 17 June 2020 to 21 August 20202021: 3 June 2021 to 29 September 20212022: 19 June 2022 to 2 September 20222023: 4 June 2023 to 5 September 20232024: 13 July 2024 to 30 September 20242025: 12 May 2025 to 30 August 20252026: 26 May 2026 to 20 July 202619461953196019671976200420122023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Belcourt Keya Radio meeting 30 C (86 F).
First to last qualifying date each year at Belcourt Keya Radio
YearFirst dateLast date
19461946-05-281946-09-14
19471947-07-031947-08-22
19481948-05-191948-09-11
19491949-06-101949-08-25
19501950-07-281950-09-05
19511951-07-201951-08-01
19521952-04-261952-09-27
19531953-06-111953-08-31
19541954-06-231954-08-31
19551955-07-181955-09-05
19561956-05-211956-08-15
19571957-07-011957-08-07
19581958-05-121958-09-01
19591959-06-031959-09-13
19601960-07-071960-09-21
19611961-06-041961-08-31
19621962-06-271962-08-22
19631963-06-281963-10-04
19641964-05-201964-08-05
19651965-08-021965-08-14
19661966-05-211966-09-12
19671967-06-291967-08-24
19681968-06-031968-07-11
19691969-05-261969-09-13
19711971-08-071971-09-02
19721972-05-171972-08-31
19741974-06-251974-08-07
19751975-07-041975-08-10
19761976-06-201976-09-18
19811981-07-041981-09-10
19831983-06-111983-09-03
19841984-05-171984-08-29
19851985-07-041985-07-23
19861986-05-261986-08-20
20012001-05-152001-09-06
20042004-07-192004-07-20
20062006-05-242006-09-08
20072007-06-242007-09-02
20082008-07-012008-09-02
20092009-07-242009-09-06
20102010-07-032010-08-31
20112011-07-012011-09-29
20122012-05-182012-08-30
20142014-05-252014-09-27
20152015-07-052015-09-14
20192019-05-312019-08-07
20202020-06-172020-08-21
20212021-06-032021-09-29
20222022-06-192022-09-02
20232023-06-042023-09-05
20242024-07-132024-09-30
20252025-05-122025-08-30
20262026-05-262026-07-20

Every Fixed Threshold

Fixed thresholds at Belcourt Keya Radio
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5340196113
35 C (95 F): Days22519611
40 C (104 F): Days1120211
90 F (32.2 C): Days492419615
100 F (37.8 C): Days4220212
0 C (32 F): Ice days (max53140195053
0 C (32 F): Frost days (min472241959116
-10 C (14 F): Days with min47138195563
-20 C (-4 F): Days with min4789195529
-30 C (-22 F): Days with min463019857
-40 C (-40 F): Days with min13319502
20 C (68 F): Tropical nights (min16619752
10 mm (0.39 in): Days with 10 mm or more rain5121195415
25 mm (0.98 in): Days with 25 mm or more rain49819542
50 mm (1.97 in): Days with 50 mm or more rain24320071
100 mm (3.94 in): Days with 100 mm or more rain3119651
10 cm (3.9 in): Days with 10 cm or more snowfall48919743
25 cm (9.8 in): Days with 25 cm or more snowfall7220191
50 cm (19.7 in): Days with 50 cm or more snowfall1120191

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1946.

Download the Data

  • Data for Belcourt Keya Radio 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).