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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Colfax Threshold Days by Year (USC00161941)

17 fixed thresholds counted per year at Colfax (USC00161941): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Colfax Thresholds

  • Colfax: days with 10 mm (0.39 in) or more of precipitation in 42 years, most in 2004 with 62.
  • Colfax: days with 25 mm (0.98 in) or more of precipitation in 42 years, most in 1946 with 30.
  • Colfax: days with 50 mm (1.97 in) or more of precipitation in 41 years, most in 1946 with 10.
  • Colfax: days with a maximum temperature at or above 30 C (86 F) in 27 years, most in 1963 with 171.
  • 17 fixed thresholds have at least one qualifying day at Colfax.
27 years with a qualifying day
Days at or above 30 C (86 F) per year at Colfax Days per year at Colfax with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 171 in 1963. 0501001502001948: 1331949: 1181950: 1001951: 1401952: 1461953: 1571954: 1491955: 1691956: 1531957: 1161959: 1511960: 1271961: 1281962: 1541963: 1711964: 1311965: 1461966: 1261967: 1211968: 1211969: 1341970: 1321971: 1321972: 1462008: 1362009: 1312010: 133194819511954195719611964196719702008
Days per year at Colfax with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 171 in 1963.
Days at or above 30 C (86 F) per year at Colfax
YearDaysDecade average
1948133125.5
1949118125.5
1950100142.3
1951140142.3
1952146142.3
1953157142.3
1954149142.3
1955169142.3
1956153142.3
1957116142.3
1959151142.3
1960127135.9
1961128135.9
1962154135.9
1963171135.9
1964131135.9
1965146135.9
1966126135.9
1967121135.9
1968121135.9
1969134135.9
1970132136.7
1971132136.7
1972146136.7
2008136133.5
2009131133.5
2010133133
First to last qualifying date each year at Colfax For each year, a bar from the first to the last day at Colfax meeting 30 C (86 F). 1948: 20 March 1948 to 4 November 19481949: 25 April 1949 to 21 October 19491950: 5 May 1950 to 30 October 19501951: 7 March 1951 to 31 October 19511952: 29 April 1952 to 27 October 19521953: 18 March 1953 to 22 October 19531954: 5 April 1954 to 14 October 19541955: 5 March 1955 to 15 November 19551956: 6 March 1956 to 23 October 19561957: 10 February 1957 to 2 November 19571959: 30 April 1959 to 14 October 19591960: 7 April 1960 to 25 October 19601961: 28 April 1961 to 19 October 19611962: 27 April 1962 to 21 October 19621963: 31 March 1963 to 29 October 19631964: 24 April 1964 to 19 October 19641965: 8 April 1965 to 19 October 19651966: 1 April 1966 to 10 October 19661967: 12 March 1967 to 25 October 19671968: 19 April 1968 to 31 October 19681969: 16 May 1969 to 12 November 19691970: 18 April 1970 to 27 October 19701971: 24 April 1971 to 3 November 19711972: 8 April 1972 to 1 November 19722008: 18 March 2008 to 15 October 20082009: 23 April 2009 to 16 October 20092010: 2 May 2010 to 28 October 20101948195219561961196519692008JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Colfax meeting 30 C (86 F).
First to last qualifying date each year at Colfax
YearFirst dateLast date
19481948-03-201948-11-04
19491949-04-251949-10-21
19501950-05-051950-10-30
19511951-03-071951-10-31
19521952-04-291952-10-27
19531953-03-181953-10-22
19541954-04-051954-10-14
19551955-03-051955-11-15
19561956-03-061956-10-23
19571957-02-101957-11-02
19591959-04-301959-10-14
19601960-04-071960-10-25
19611961-04-281961-10-19
19621962-04-271962-10-21
19631963-03-311963-10-29
19641964-04-241964-10-19
19651965-04-081965-10-19
19661966-04-011966-10-10
19671967-03-121967-10-25
19681968-04-191968-10-31
19691969-05-161969-11-12
19701970-04-181970-10-27
19711971-04-241971-11-03
19721972-04-081972-11-01
20082008-03-182008-10-15
20092009-04-232009-10-16
20102010-05-022010-10-28

Every Fixed Threshold

Fixed thresholds at Colfax
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days271711963133
35 C (95 F): Days2794195460
40 C (104 F): Days5319541
90 F (32.2 C): Days271361963115
100 F (37.8 C): Days1727195422
0 C (32 F): Ice days (max8519631
0 C (32 F): Frost days (min2660196335
-10 C (14 F): Days with min6519621
20 C (68 F): Tropical nights (min261252009121
25 C (77 F): Days with min1232201032
10 mm (0.39 in): Days with 10 mm or more rain4262200436
25 mm (0.98 in): Days with 25 mm or more rain423019468
50 mm (1.97 in): Days with 50 mm or more rain411019467
100 mm (3.94 in): Days with 100 mm or more rain22319461
200 mm (7.87 in): Days with 200 mm or more rain5219531
10 cm (3.9 in): Days with 10 cm or more snowfall5119481
25 cm (9.8 in): Days with 25 cm or more snowfall1119601

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1948.

Download the Data

  • Data for Colfax 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 (2025-12-31).