Built 2026-10-19 (19 October 2026)

Charmany Farm Threshold Days by Year (USC00471416)

18 fixed thresholds counted per year at Charmany Farm (USC00471416): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Charmany Farm Thresholds

  • Charmany Farm: days with 10 mm (0.39 in) or more of precipitation in 61 years, most in 2018 with 43.
  • Charmany Farm: days with 25 mm (0.98 in) or more of precipitation in 61 years, most in 2015 with 15.
  • Charmany Farm: days with a maximum temperature at or above 30 C (86 F) in 53 years, most in 2012 with 53.
  • Charmany Farm: days with a maximum temperature at or below 0 C (32 F) in 53 years, most in 1978 with 93.
  • 18 fixed thresholds have at least one qualifying day at Charmany Farm.
53 years with a qualifying day
Days at or above 30 C (86 F) per year at Charmany Farm Days per year at Charmany Farm with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 53 in 2012. 02040601964: 401965: 211966: 251967: 151968: 281969: 161971: 351972: 271973: 291974: 211975: 391976: 371977: 201978: 191979: 141980: 201981: 131982: 51983: 411984: 201985: 211986: 141987: 291988: 501989: 211990: 111991: 331992: 71993: 61994: 91995: 331996: 71997: 121998: 181999: 252000: 62001: 282002: 352003: 232004: 62005: 352006: 202007: 292009: 72010: 162011: 392012: 532013: 212014: 62015: 102016: 152017: 182018: 23196419711977198319891995200120072014
Days per year at Charmany Farm with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 53 in 2012.
Days at or above 30 C (86 F) per year at Charmany Farm
YearDaysDecade average
19644024.2
19652124.2
19662524.2
19671524.2
19682824.2
19691624.2
19713526.8
19722726.8
19732926.8
19742126.8
19753926.8
19763726.8
19772026.8
19781926.8
19791426.8
19802023.4
19811323.4
1982523.4
19834123.4
19842023.4
19852123.4
19861423.4
19872923.4
19885023.4
19892123.4
19901116.1
19913316.1
1992716.1
1993616.1
1994916.1
19953316.1
1996716.1
19971216.1
19981816.1
19992516.1
2000621
20012821
20023521
20032321
2004621
20053521
20062021
20072921
2009721
20101622.3
20113922.3
20125322.3
20132122.3
2014622.3
20151022.3
20161522.3
20171822.3
20182322.3
First to last qualifying date each year at Charmany Farm For each year, a bar from the first to the last day at Charmany Farm meeting 30 C (86 F). 1964: 22 May 1964 to 10 September 19641965: 21 May 1965 to 16 August 19651966: 23 June 1966 to 1 September 19661967: 26 May 1967 to 4 August 19671968: 5 June 1968 to 24 August 19681969: 4 July 1969 to 31 August 19691971: 4 June 1971 to 2 October 19711972: 20 May 1972 to 30 August 19721973: 8 June 1973 to 2 September 19731974: 20 June 1974 to 27 August 19741975: 19 May 1975 to 14 October 19751976: 9 June 1976 to 2 October 19761977: 19 May 1977 to 27 August 19771978: 27 May 1978 to 20 September 19781979: 16 June 1979 to 11 September 19791980: 23 April 1980 to 9 September 19801981: 6 June 1981 to 5 August 19811982: 5 July 1982 to 4 August 19821983: 22 June 1983 to 10 September 19831984: 15 July 1984 to 25 September 19841985: 19 April 1985 to 8 September 19851986: 1 June 1986 to 27 July 19861987: 8 June 1987 to 17 August 19871988: 29 May 1988 to 18 September 19881989: 22 June 1989 to 5 August 19891990: 13 June 1990 to 7 September 19901991: 15 May 1991 to 10 September 19911992: 20 May 1992 to 25 August 19921993: 23 June 1993 to 26 August 19931994: 15 June 1994 to 25 August 19941995: 18 June 1995 to 31 August 19951996: 14 June 1996 to 8 August 19961997: 23 June 1997 to 3 August 19971998: 19 May 1998 to 14 September 19981999: 6 June 1999 to 5 September 19992000: 9 June 2000 to 3 September 20002001: 12 June 2001 to 10 August 20012002: 16 April 2002 to 10 September 20022003: 19 June 2003 to 9 September 20032004: 8 June 2004 to 23 September 20042005: 8 June 2005 to 22 September 20052006: 29 May 2006 to 5 August 20062007: 15 May 2007 to 7 October 20072009: 23 June 2009 to 10 August 20092010: 24 May 2010 to 30 August 20102011: 11 May 2011 to 3 September 20112012: 20 May 2012 to 5 September 20122013: 15 May 2013 to 20 September 20132014: 1 June 2014 to 23 August 20142015: 10 June 2015 to 7 September 20152016: 11 June 2016 to 7 September 20162017: 4 June 2017 to 26 September 20172018: 27 May 2018 to 18 September 201819641972197919861993200020072015JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Charmany Farm meeting 30 C (86 F).
First to last qualifying date each year at Charmany Farm
YearFirst dateLast date
19641964-05-221964-09-10
19651965-05-211965-08-16
19661966-06-231966-09-01
19671967-05-261967-08-04
19681968-06-051968-08-24
19691969-07-041969-08-31
19711971-06-041971-10-02
19721972-05-201972-08-30
19731973-06-081973-09-02
19741974-06-201974-08-27
19751975-05-191975-10-14
19761976-06-091976-10-02
19771977-05-191977-08-27
19781978-05-271978-09-20
19791979-06-161979-09-11
19801980-04-231980-09-09
19811981-06-061981-08-05
19821982-07-051982-08-04
19831983-06-221983-09-10
19841984-07-151984-09-25
19851985-04-191985-09-08
19861986-06-011986-07-27
19871987-06-081987-08-17
19881988-05-291988-09-18
19891989-06-221989-08-05
19901990-06-131990-09-07
19911991-05-151991-09-10
19921992-05-201992-08-25
19931993-06-231993-08-26
19941994-06-151994-08-25
19951995-06-181995-08-31
19961996-06-141996-08-08
19971997-06-231997-08-03
19981998-05-191998-09-14
19991999-06-061999-09-05
20002000-06-092000-09-03
20012001-06-122001-08-10
20022002-04-162002-09-10
20032003-06-192003-09-09
20042004-06-082004-09-23
20052005-06-082005-09-22
20062006-05-292006-08-05
20072007-05-152007-10-07
20092009-06-232009-08-10
20102010-05-242010-08-30
20112011-05-112011-09-03
20122012-05-202012-09-05
20132013-05-152013-09-20
20142014-06-012014-08-23
20152015-06-102015-09-07
20162016-06-112016-09-07
20172017-06-042017-09-26
20182018-05-272018-09-18

Every Fixed Threshold

Fixed thresholds at Charmany Farm
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5353201223
35 C (95 F): Days201619889
90 F (32.2 C): Days503719888
100 F (37.8 C): Days3619884
0 C (32 F): Ice days (max5393197866
0 C (32 F): Frost days (min501861984165
-10 C (14 F): Days with min5093197844
-20 C (-4 F): Days with min5031201411
-30 C (-22 F): Days with min10619836
20 C (68 F): Tropical nights (min4927199517
25 C (77 F): Days with min5420124
10 mm (0.39 in): Days with 10 mm or more rain6143201826
25 mm (0.98 in): Days with 25 mm or more rain611520156
50 mm (1.97 in): Days with 50 mm or more rain46419932
100 mm (3.94 in): Days with 100 mm or more rain4119771
200 mm (7.87 in): Days with 200 mm or more rain1120181
10 cm (3.9 in): Days with 10 cm or more snowfall50919941
25 cm (9.8 in): Days with 25 cm or more snowfall12119691

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.

Download the Data

  • Data for Charmany Farm 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).