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Built 2026-10-19 (19 October 2026)

Alexander Threshold Days by Year (USC00140135)

6 fixed thresholds counted per year at Alexander (USC00140135): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Alexander Thresholds

  • Alexander: days with 10 mm (0.39 in) or more of precipitation in 82 years, most in 1944 with 31.
  • Alexander: days with 25 mm (0.98 in) or more of precipitation in 81 years, most in 1944 with 13.
  • Alexander: days with 10 cm (3.9 in) or more of snowfall in 56 years, most in 1945 with 4.
  • Alexander: days with 50 mm (1.97 in) or more of precipitation in 53 years, most in 1967 with 4.
  • 6 fixed thresholds have at least one qualifying day at Alexander.
82 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Alexander Days per year at Alexander with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1944. 0102030401941: 211942: 211943: 101944: 311945: 181946: 221947: 161948: 261949: 251950: 221951: 291952: 121953: 171954: 151955: 201956: 81957: 251958: 241959: 211960: 191961: 211962: 181963: 181964: 91965: 221966: 111967: 151968: 121969: 191970: 131971: 181972: 251973: 311974: 121975: 161976: 161977: 191978: 231979: 201980: 141981: 231982: 121983: 151984: 211985: 211986: 241988: 111989: 141990: 221991: 171992: 241993: 231994: 231995: 191996: 211997: 191998: 241999: 212000: 212001: 192002: 152003: 152004: 212005: 242006: 192007: 262008: 222009: 192010: 152013: 202014: 162015: 162016: 162017: 162018: 192019: 252020: 152021: 162022: 142023: 122024: 122025: 111941195019591968197719861996200520162025
Days per year at Alexander with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1944.
Days with 10 mm (0.39 in) or more of precipitation per year at Alexander
YearDaysDecade average
19412121.1
19422121.1
19431021.1
19443121.1
19451821.1
19462221.1
19471621.1
19482621.1
19492521.1
19502219.3
19512919.3
19521219.3
19531719.3
19541519.3
19552019.3
1956819.3
19572519.3
19582419.3
19592119.3
19601916.4
19612116.4
19621816.4
19631816.4
1964916.4
19652216.4
19661116.4
19671516.4
19681216.4
19691916.4
19701319.3
19711819.3
19722519.3
19733119.3
19741219.3
19751619.3
19761619.3
19771919.3
19782319.3
19792019.3
19801417.2
19812317.2
19821217.2
19831517.2
19842117.2
19852117.2
19862417.2
19881117.2
19891417.2
19902221.3
19911721.3
19922421.3
19932321.3
19942321.3
19951921.3
19962121.3
19971921.3
19982421.3
19992121.3
20002120.1
20011920.1
20021520.1
20031520.1
20042120.1
20052420.1
20061920.1
20072620.1
20082220.1
20091920.1
20101517.9
20132017.9
20141617.9
20151617.9
20161617.9
20171617.9
20181917.9
20192517.9
20201513.3
20211613.3
20221413.3
20231213.3
20241213.3
20251113.3
First to last qualifying date each year at Alexander For each year, a bar from the first to the last day at Alexander meeting 10 mm (0.39 in). 1941: 14 January 1941 to 22 November 19411942: 25 March 1942 to 27 December 19421943: 8 April 1943 to 1 October 19431944: 28 February 1944 to 4 December 19441945: 21 January 1945 to 24 December 19451946: 18 February 1946 to 9 November 19461947: 2 January 1947 to 4 December 19471948: 27 February 1948 to 27 November 19481949: 27 January 1949 to 21 December 19491950: 12 February 1950 to 2 October 19501951: 2 January 1951 to 5 November 19511952: 9 April 1952 to 22 December 19521953: 20 February 1953 to 3 December 19531954: 20 February 1954 to 7 October 19541955: 5 January 1955 to 3 October 19551956: 1 February 1956 to 30 October 19561957: 21 March 1957 to 18 November 19571958: 5 March 1958 to 17 September 19581959: 21 January 1959 to 30 October 19591960: 14 January 1960 to 11 December 19601961: 8 April 1961 to 16 November 19611962: 26 January 1962 to 9 September 19621963: 11 March 1963 to 21 October 19631964: 20 March 1964 to 16 November 19641965: 23 January 1965 to 19 October 19651966: 30 April 1966 to 27 December 19661967: 12 April 1967 to 21 September 19671968: 7 May 1968 to 15 November 19681969: 14 February 1969 to 24 October 19691970: 16 March 1970 to 24 September 19701971: 3 January 1971 to 17 November 19711972: 16 April 1972 to 13 November 19721973: 4 March 1973 to 24 December 19731974: 10 March 1974 to 3 November 19741975: 10 March 1975 to 20 November 19751976: 21 February 1976 to 27 October 19761977: 28 March 1977 to 7 October 19771978: 13 February 1978 to 31 December 19781979: 13 January 1979 to 28 December 19791980: 19 January 1980 to 7 December 19801981: 25 March 1981 to 2 November 19811982: 22 January 1982 to 28 December 19821983: 1 February 1983 to 27 November 19831984: 4 March 1984 to 16 December 19841985: 10 January 1985 to 15 November 19851986: 12 March 1986 to 7 December 19861988: 1 April 1988 to 15 November 19881989: 29 March 1989 to 11 September 19891990: 19 January 1990 to 3 November 19901991: 15 March 1991 to 31 December 19911992: 7 January 1992 to 13 December 19921993: 9 January 1993 to 13 December 19931994: 26 January 1994 to 31 December 19941995: 26 January 1995 to 20 September 19951996: 14 March 1996 to 16 November 19961997: 4 April 1997 to 24 December 19971998: 31 January 1998 to 1 November 19981999: 29 January 1999 to 18 September 19992000: 3 January 2000 to 24 October 20002001: 27 January 2001 to 18 September 20012002: 30 January 2002 to 23 October 20022003: 18 March 2003 to 11 September 20032004: 29 February 2004 to 11 October 20042005: 5 January 2005 to 28 November 20052006: 20 March 2006 to 30 December 20062007: 12 February 2007 to 15 December 20072008: 5 February 2008 to 22 October 20082009: 27 March 2009 to 23 December 20092010: 28 January 2010 to 11 November 20102013: 21 February 2013 to 6 November 20132014: 5 February 2014 to 10 September 20142015: 31 January 2015 to 17 November 20152016: 8 January 2016 to 26 October 20162017: 29 March 2017 to 7 October 20172018: 20 March 2018 to 27 December 20182019: 12 January 2019 to 28 December 20192020: 24 February 2020 to 25 November 20202021: 25 January 2021 to 27 October 20212022: 11 March 2022 to 22 September 20222023: 22 January 2023 to 15 December 20232024: 9 January 2024 to 5 November 20242025: 20 March 2025 to 24 September 202519411952196319741985199720082021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Alexander meeting 10 mm (0.39 in).
First to last qualifying date each year at Alexander
YearFirst dateLast date
19411941-01-141941-11-22
19421942-03-251942-12-27
19431943-04-081943-10-01
19441944-02-281944-12-04
19451945-01-211945-12-24
19461946-02-181946-11-09
19471947-01-021947-12-04
19481948-02-271948-11-27
19491949-01-271949-12-21
19501950-02-121950-10-02
19511951-01-021951-11-05
19521952-04-091952-12-22
19531953-02-201953-12-03
19541954-02-201954-10-07
19551955-01-051955-10-03
19561956-02-011956-10-30
19571957-03-211957-11-18
19581958-03-051958-09-17
19591959-01-211959-10-30
19601960-01-141960-12-11
19611961-04-081961-11-16
19621962-01-261962-09-09
19631963-03-111963-10-21
19641964-03-201964-11-16
19651965-01-231965-10-19
19661966-04-301966-12-27
19671967-04-121967-09-21
19681968-05-071968-11-15
19691969-02-141969-10-24
19701970-03-161970-09-24
19711971-01-031971-11-17
19721972-04-161972-11-13
19731973-03-041973-12-24
19741974-03-101974-11-03
19751975-03-101975-11-20
19761976-02-211976-10-27
19771977-03-281977-10-07
19781978-02-131978-12-31
19791979-01-131979-12-28
19801980-01-191980-12-07
19811981-03-251981-11-02
19821982-01-221982-12-28
19831983-02-011983-11-27
19841984-03-041984-12-16
19851985-01-101985-11-15
19861986-03-121986-12-07
19881988-04-011988-11-15
19891989-03-291989-09-11
19901990-01-191990-11-03
19911991-03-151991-12-31
19921992-01-071992-12-13
19931993-01-091993-12-13
19941994-01-261994-12-31
19951995-01-261995-09-20
19961996-03-141996-11-16
19971997-04-041997-12-24
19981998-01-311998-11-01
19991999-01-291999-09-18
20002000-01-032000-10-24
20012001-01-272001-09-18
20022002-01-302002-10-23
20032003-03-182003-09-11
20042004-02-292004-10-11
20052005-01-052005-11-28
20062006-03-202006-12-30
20072007-02-122007-12-15
20082008-02-052008-10-22
20092009-03-272009-12-23
20102010-01-282010-11-11
20132013-02-212013-11-06
20142014-02-052014-09-10
20152015-01-312015-11-17
20162016-01-082016-10-26
20172017-03-292017-10-07
20182018-03-202018-12-27
20192019-01-122019-12-28
20202020-02-242020-11-25
20212021-01-252021-10-27
20222022-03-112022-09-22
20232023-01-222023-12-15
20242024-01-092024-11-05
20252025-03-202025-09-24

Every Fixed Threshold

Fixed thresholds at Alexander
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain8231194411
25 mm (0.98 in): Days with 25 mm or more rain811319443
50 mm (1.97 in): Days with 50 mm or more rain53419671
100 mm (3.94 in): Days with 100 mm or more rain6119591
10 cm (3.9 in): Days with 10 cm or more snowfall56419452
25 cm (9.8 in): Days with 25 cm or more snowfall6119661

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1941.

Download the Data

  • Data for Alexander 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).