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Built 2026-10-19 (19 October 2026)

Thompsons 3 WSW Threshold Days by Year (USC00418996)

15 fixed thresholds counted per year at Thompsons 3 WSW (USC00418996): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Thompsons 3 WSW Thresholds

  • Thompsons 3 WSW: days with 10 mm (0.39 in) or more of precipitation in 57 years, most in 1960 with 46.
  • Thompsons 3 WSW: days with 25 mm (0.98 in) or more of precipitation in 57 years, most in 2004 with 25.
  • Thompsons 3 WSW: nights with a minimum temperature at or below 0 C (32 F) in 56 years, most in 1978 with 33.
  • Thompsons 3 WSW: nights with a minimum temperature at or above 20 C (68 F) in 56 years, most in 2016 with 160.
  • 15 fixed thresholds have at least one qualifying day at Thompsons 3 WSW.
50 years with a qualifying day
Days at or above 30 C (86 F) per year at Thompsons 3 WSW Days per year at Thompsons 3 WSW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 207 in 1944. 01002003001943: 1581944: 2071945: 1711959: 1351960: 1351961: 1351962: 1411963: 1731964: 1271965: 1411966: 1201967: 1521968: 1251969: 1501970: 1091972: 1501973: 1291975: 1421976: 1251977: 1461978: 1351979: 1471980: 1461981: 1321982: 1381983: 1171984: 1461985: 1411986: 1511987: 1561989: 1421990: 1441991: 1521992: 1461993: 1381994: 1511995: 1512001: 1442002: 1602003: 1662004: 1582005: 1662007: 1502009: 1592011: 1832012: 1622014: 1592015: 1582016: 1472019: 1501943196119661972197819831989199420042012
Days per year at Thompsons 3 WSW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 207 in 1944.
Days at or above 30 C (86 F) per year at Thompsons 3 WSW
YearDaysDecade average
1943158178.7
1944207178.7
1945171178.7
1959135135
1960135139.9
1961135139.9
1962141139.9
1963173139.9
1964127139.9
1965141139.9
1966120139.9
1967152139.9
1968125139.9
1969150139.9
1970109135.4
1972150135.4
1973129135.4
1975142135.4
1976125135.4
1977146135.4
1978135135.4
1979147135.4
1980146141
1981132141
1982138141
1983117141
1984146141
1985141141
1986151141
1987156141
1989142141
1990144147
1991152147
1992146147
1993138147
1994151147
1995151147
2001144157.6
2002160157.6
2003166157.6
2004158157.6
2005166157.6
2007150157.6
2009159157.6
2011183159.8
2012162159.8
2014159159.8
2015158159.8
2016147159.8
2019150159.8
First to last qualifying date each year at Thompsons 3 WSW For each year, a bar from the first to the last day at Thompsons 3 WSW meeting 30 C (86 F). 1943: 9 April 1943 to 2 November 19431944: 5 March 1944 to 3 November 19441945: 2 April 1945 to 13 November 19451959: 29 April 1959 to 27 October 19591960: 16 May 1960 to 15 November 19601961: 26 April 1961 to 2 November 19611962: 29 April 1962 to 24 October 19621963: 4 April 1963 to 8 November 19631964: 24 April 1964 to 19 October 19641965: 13 April 1965 to 18 October 19651966: 10 May 1966 to 15 October 19661967: 6 March 1967 to 26 November 19671968: 21 April 1968 to 3 November 19681969: 10 April 1969 to 13 November 19691970: 27 April 1970 to 28 October 19701972: 18 March 1972 to 1 November 19721973: 26 April 1973 to 27 November 19731975: 23 March 1975 to 10 November 19751976: 27 March 1976 to 14 October 19761977: 20 March 1977 to 1 November 19771978: 19 April 1978 to 25 November 19781979: 12 April 1979 to 31 October 19791980: 11 March 1980 to 28 October 19801981: 31 March 1981 to 8 October 19811982: 20 March 1982 to 4 November 19821983: 19 April 1983 to 20 November 19831984: 28 March 1984 to 2 November 19841985: 16 April 1985 to 25 October 19851986: 19 February 1986 to 9 November 19861987: 16 April 1987 to 25 December 19871989: 31 March 1989 to 15 November 19891990: 30 April 1990 to 18 October 19901991: 19 April 1991 to 17 November 19911992: 24 April 1992 to 4 November 19921993: 28 March 1993 to 20 October 19931994: 1 May 1994 to 10 November 19941995: 23 March 1995 to 28 October 19952001: 28 February 2001 to 2 November 20012002: 31 March 2002 to 31 December 20022003: 6 April 2003 to 13 November 20032004: 5 January 2004 to 1 November 20042005: 22 April 2005 to 10 November 20052007: 4 April 2007 to 22 November 20072009: 3 February 2009 to 16 October 20092011: 25 March 2011 to 21 November 20112012: 13 January 2012 to 27 November 20122014: 10 April 2014 to 31 October 20142015: 24 March 2015 to 23 October 20152016: 15 March 2016 to 3 November 20162019: 10 April 2019 to 25 October 201919431963197019791986199420072019JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Thompsons 3 WSW meeting 30 C (86 F).
First to last qualifying date each year at Thompsons 3 WSW
YearFirst dateLast date
19431943-04-091943-11-02
19441944-03-051944-11-03
19451945-04-021945-11-13
19591959-04-291959-10-27
19601960-05-161960-11-15
19611961-04-261961-11-02
19621962-04-291962-10-24
19631963-04-041963-11-08
19641964-04-241964-10-19
19651965-04-131965-10-18
19661966-05-101966-10-15
19671967-03-061967-11-26
19681968-04-211968-11-03
19691969-04-101969-11-13
19701970-04-271970-10-28
19721972-03-181972-11-01
19731973-04-261973-11-27
19751975-03-231975-11-10
19761976-03-271976-10-14
19771977-03-201977-11-01
19781978-04-191978-11-25
19791979-04-121979-10-31
19801980-03-111980-10-28
19811981-03-311981-10-08
19821982-03-201982-11-04
19831983-04-191983-11-20
19841984-03-281984-11-02
19851985-04-161985-10-25
19861986-02-191986-11-09
19871987-04-161987-12-25
19891989-03-311989-11-15
19901990-04-301990-10-18
19911991-04-191991-11-17
19921992-04-241992-11-04
19931993-03-281993-10-20
19941994-05-011994-11-10
19951995-03-231995-10-28
20012001-02-282001-11-02
20022002-03-312002-12-31
20032003-04-062003-11-13
20042004-01-052004-11-01
20052005-04-222005-11-10
20072007-04-042007-11-22
20092009-02-032009-10-16
20112011-03-252011-11-21
20122012-01-132012-11-27
20142014-04-102014-10-31
20152015-03-242015-10-23
20162016-03-152016-11-03
20192019-04-102019-10-25

Every Fixed Threshold

Fixed thresholds at Thompsons 3 WSW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days502071944150
35 C (95 F): Days50100201137
40 C (104 F): Days6820118
90 F (32.2 C): Days501481944122
100 F (37.8 C): Days294920117
0 C (32 F): Ice days (max8519891
0 C (32 F): Frost days (min563319787
-10 C (14 F): Days with min4219822
20 C (68 F): Tropical nights (min561602016158
25 C (77 F): Days with min5040201940
10 mm (0.39 in): Days with 10 mm or more rain5746196026
25 mm (0.98 in): Days with 25 mm or more rain5725200412
50 mm (1.97 in): Days with 50 mm or more rain55920038
100 mm (3.94 in): Days with 100 mm or more rain25419731
200 mm (7.87 in): Days with 200 mm or more rain4119601

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1943.

Download the Data

  • Data for Thompsons 3 WSW 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).