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Built 2026-10-19 (19 October 2026)

Dawson Threshold Days by Year (USC00212038)

6 fixed thresholds counted per year at Dawson (USC00212038): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Dawson Thresholds

  • Dawson: days with 10 mm (0.39 in) or more of precipitation in 77 years, most in 1977 with 30.
  • Dawson: days with 25 mm (0.98 in) or more of precipitation in 76 years, most in 1953 with 10.
  • Dawson: days with 10 cm (3.9 in) or more of snowfall in 68 years, most in 2008 with 10.
  • Dawson: days with 50 mm (1.97 in) or more of precipitation in 43 years, most in 1986 with 3.
  • 6 fixed thresholds have at least one qualifying day at Dawson.
77 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Dawson Days per year at Dawson with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 30 in 1977. 01020301942: 241943: 251944: 211948: 171949: 171950: 151951: 231952: 111953: 281955: 201956: 241957: 201958: 121959: 181960: 211961: 181962: 191963: 241964: 161965: 271966: 151967: 201968: 221969: 211970: 221971: 161972: 211973: 151974: 111975: 151976: 61977: 301978: 171979: 131980: 101981: 91982: 201983: 171984: 271985: 161986: 221988: 131989: 121991: 231993: 251995: 211996: 191997: 161998: 191999: 152000: 212001: 202002: 122003: 152004: 132005: 292006: 152007: 192008: 192009: 182010: 262011: 172012: 152013: 192014: 252015: 202016: 232017: 252018: 262019: 262020: 152021: 232022: 192023: 242024: 232025: 282026: 81942195319621970197819861998200620142022
Days per year at Dawson with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 30 in 1977.
Days with 10 mm (0.39 in) or more of precipitation per year at Dawson
YearDaysDecade average
19422420.8
19432520.8
19442120.8
19481720.8
19491720.8
19501519
19512319
19521119
19532819
19552019
19562419
19572019
19581219
19591819
19602120.3
19611820.3
19621920.3
19632420.3
19641620.3
19652720.3
19661520.3
19672020.3
19682220.3
19692120.3
19702216.6
19711616.6
19722116.6
19731516.6
19741116.6
19751516.6
1976616.6
19773016.6
19781716.6
19791316.6
19801016.2
1981916.2
19822016.2
19831716.2
19842716.2
19851616.2
19862216.2
19881316.2
19891216.2
19912319.7
19932519.7
19952119.7
19961919.7
19971619.7
19981919.7
19991519.7
20002118.1
20012018.1
20021218.1
20031518.1
20041318.1
20052918.1
20061518.1
20071918.1
20081918.1
20091818.1
20102622.2
20111722.2
20121522.2
20131922.2
20142522.2
20152022.2
20162322.2
20172522.2
20182622.2
20192622.2
20201520
20212320
20221920
20232420
20242320
20252820
2026820
First to last qualifying date each year at Dawson For each year, a bar from the first to the last day at Dawson meeting 10 mm (0.39 in). 1942: 15 March 1942 to 3 October 19421943: 3 January 1943 to 7 November 19431944: 27 January 1944 to 31 December 19441948: 28 February 1948 to 29 October 19481949: 3 January 1949 to 11 December 19491950: 7 March 1950 to 25 December 19501951: 28 February 1951 to 3 December 19511952: 14 January 1952 to 14 September 19521953: 15 January 1953 to 3 December 19531955: 4 February 1955 to 29 August 19551956: 28 March 1956 to 15 November 19561957: 4 April 1957 to 1 November 19571958: 26 February 1958 to 18 November 19581959: 11 April 1959 to 28 December 19591960: 1 January 1960 to 5 December 19601961: 14 April 1961 to 2 November 19611962: 18 February 1962 to 23 November 19621963: 11 March 1963 to 8 December 19631964: 4 March 1964 to 29 August 19641965: 17 March 1965 to 11 December 19651966: 9 February 1966 to 8 December 19661967: 6 January 1967 to 17 December 19671968: 18 March 1968 to 19 December 19681969: 16 January 1969 to 22 December 19691970: 3 March 1970 to 9 November 19701971: 19 February 1971 to 28 November 19711972: 12 April 1972 to 30 December 19721973: 11 March 1973 to 20 November 19731974: 31 March 1974 to 10 August 19741975: 23 March 1975 to 11 November 19751976: 12 March 1976 to 26 September 19761977: 23 February 1977 to 31 December 19771978: 2 April 1978 to 18 September 19781979: 19 January 1979 to 31 October 19791980: 29 May 1980 to 16 October 19801981: 31 March 1981 to 1 December 19811982: 20 January 1982 to 28 December 19821983: 6 March 1983 to 28 November 19831984: 29 January 1984 to 16 December 19841985: 3 March 1985 to 12 October 19851986: 18 March 1986 to 8 November 19861988: 19 January 1988 to 12 November 19881989: 14 March 1989 to 5 November 19891991: 18 February 1991 to 28 October 19911993: 6 April 1993 to 21 September 19931995: 23 March 1995 to 23 October 19951996: 13 April 1996 to 30 November 19961997: 4 January 1997 to 13 October 19971998: 28 February 1998 to 10 November 19981999: 28 March 1999 to 19 September 19992000: 24 February 2000 to 7 November 20002001: 30 January 2001 to 27 November 20012002: 28 April 2002 to 4 October 20022003: 3 February 2003 to 11 October 20032004: 21 April 2004 to 28 October 20042005: 2 January 2005 to 30 December 20052006: 31 March 2006 to 31 December 20062007: 25 February 2007 to 19 October 20072008: 11 April 2008 to 20 December 20082009: 23 March 2009 to 25 December 20092010: 23 January 2010 to 31 December 20102011: 31 January 2011 to 8 October 20112012: 29 February 2012 to 16 December 20122013: 9 March 2013 to 15 October 20132014: 28 March 2014 to 16 December 20142015: 19 April 2015 to 16 December 20152016: 25 April 2016 to 26 December 20162017: 10 January 2017 to 15 October 20172018: 5 March 2018 to 28 December 20182019: 10 March 2019 to 29 December 20192020: 29 March 2020 to 9 November 20202021: 11 March 2021 to 28 October 20212022: 6 April 2022 to 16 December 20222023: 4 January 2023 to 26 December 20232024: 15 April 2024 to 19 November 20242025: 30 March 2025 to 29 December 20252026: 27 April 2026 to 31 July 202619421956196619761986200020102020JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Dawson meeting 10 mm (0.39 in).
First to last qualifying date each year at Dawson
YearFirst dateLast date
19421942-03-151942-10-03
19431943-01-031943-11-07
19441944-01-271944-12-31
19481948-02-281948-10-29
19491949-01-031949-12-11
19501950-03-071950-12-25
19511951-02-281951-12-03
19521952-01-141952-09-14
19531953-01-151953-12-03
19551955-02-041955-08-29
19561956-03-281956-11-15
19571957-04-041957-11-01
19581958-02-261958-11-18
19591959-04-111959-12-28
19601960-01-011960-12-05
19611961-04-141961-11-02
19621962-02-181962-11-23
19631963-03-111963-12-08
19641964-03-041964-08-29
19651965-03-171965-12-11
19661966-02-091966-12-08
19671967-01-061967-12-17
19681968-03-181968-12-19
19691969-01-161969-12-22
19701970-03-031970-11-09
19711971-02-191971-11-28
19721972-04-121972-12-30
19731973-03-111973-11-20
19741974-03-311974-08-10
19751975-03-231975-11-11
19761976-03-121976-09-26
19771977-02-231977-12-31
19781978-04-021978-09-18
19791979-01-191979-10-31
19801980-05-291980-10-16
19811981-03-311981-12-01
19821982-01-201982-12-28
19831983-03-061983-11-28
19841984-01-291984-12-16
19851985-03-031985-10-12
19861986-03-181986-11-08
19881988-01-191988-11-12
19891989-03-141989-11-05
19911991-02-181991-10-28
19931993-04-061993-09-21
19951995-03-231995-10-23
19961996-04-131996-11-30
19971997-01-041997-10-13
19981998-02-281998-11-10
19991999-03-281999-09-19
20002000-02-242000-11-07
20012001-01-302001-11-27
20022002-04-282002-10-04
20032003-02-032003-10-11
20042004-04-212004-10-28
20052005-01-022005-12-30
20062006-03-312006-12-31
20072007-02-252007-10-19
20082008-04-112008-12-20
20092009-03-232009-12-25
20102010-01-232010-12-31
20112011-01-312011-10-08
20122012-02-292012-12-16
20132013-03-092013-10-15
20142014-03-282014-12-16
20152015-04-192015-12-16
20162016-04-252016-12-26
20172017-01-102017-10-15
20182018-03-052018-12-28
20192019-03-102019-12-29
20202020-03-292020-11-09
20212021-03-112021-10-28
20222022-04-062022-12-16
20232023-01-042023-12-26
20242024-04-152024-11-19
20252025-03-302025-12-29
20262026-04-272026-07-31

Every Fixed Threshold

Fixed thresholds at Dawson
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain773019778
25 mm (0.98 in): Days with 25 mm or more rain761019532
50 mm (1.97 in): Days with 50 mm or more rain43319861
100 mm (3.94 in): Days with 100 mm or more rain5119591
10 cm (3.9 in): Days with 10 cm or more snowfall681020083
25 cm (9.8 in): Days with 25 cm or more snowfall16320191

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.

Download the Data

  • Data for Dawson 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 (2026-10-12).