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

Jackson Threshold Days by Year (USC00244447)

13 fixed thresholds counted per year at Jackson (USC00244447): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jackson Thresholds

  • Jackson: days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 1995 with 14.
  • Jackson: days with a maximum temperature at or below 0 C (32 F) in 40 years, most in 2009 with 93.
  • Jackson: nights with a minimum temperature at or below 0 C (32 F) in 38 years, most in 1968 with 286.
  • Jackson: nights with a minimum temperature at or below -10 C (14 F) in 38 years, most in 1970 with 139.
  • 13 fixed thresholds have at least one qualifying day at Jackson.
35 years with a qualifying day
Days at or above 30 C (86 F) per year at Jackson Days per year at Jackson with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 16 in 2003. 051015201955: 91956: 41957: 51958: 21959: 11960: 61961: 51963: 41964: 11965: 21966: 71967: 21968: 31969: 111970: 51988: 51989: 51990: 71991: 11992: 21994: 21998: 41999: 32000: 62001: 82002: 12003: 162004: 32005: 32006: 82007: 122008: 42009: 22011: 12012: 4195519591964196819891994200120052009
Days per year at Jackson with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 16 in 2003.
Days at or above 30 C (86 F) per year at Jackson
YearDaysDecade average
195594.2
195644.2
195754.2
195824.2
195914.2
196064.6
196154.6
196344.6
196414.6
196524.6
196674.6
196724.6
196834.6
1969114.6
197055
198855
198955
199073.2
199113.2
199223.2
199423.2
199843.2
199933.2
200066.3
200186.3
200216.3
2003166.3
200436.3
200536.3
200686.3
2007126.3
200846.3
200926.3
201112.5
201242.5
First to last qualifying date each year at Jackson For each year, a bar from the first to the last day at Jackson meeting 30 C (86 F). 1955: 17 July 1955 to 7 September 19551956: 9 July 1956 to 23 July 19561957: 28 July 1957 to 10 August 19571958: 7 August 1958 to 11 August 19581959: 23 July 1959 to 23 July 19591960: 18 July 1960 to 10 August 19601961: 2 August 1961 to 19 August 19611963: 7 August 1963 to 16 August 19631964: 4 August 1964 to 4 August 19641965: 8 August 1965 to 9 August 19651966: 15 July 1966 to 16 August 19661967: 12 July 1967 to 24 August 19671968: 19 July 1968 to 7 August 19681969: 2 August 1969 to 28 August 19691970: 20 July 1970 to 27 August 19701988: 24 June 1988 to 30 July 19881989: 7 July 1989 to 31 July 19891990: 30 June 1990 to 9 August 19901991: 2 September 1991 to 2 September 19911992: 13 August 1992 to 14 August 19921994: 20 June 1994 to 21 July 19941998: 17 July 1998 to 6 August 19981999: 6 July 1999 to 28 July 19992000: 12 July 2000 to 9 August 20002001: 22 June 2001 to 27 August 20012002: 26 June 2002 to 26 June 20022003: 11 July 2003 to 15 August 20032004: 13 July 2004 to 16 July 20042005: 12 July 2005 to 15 July 20052006: 15 July 2006 to 29 July 20062007: 5 July 2007 to 30 July 20072008: 3 July 2008 to 6 August 20082009: 22 July 2009 to 21 August 20092011: 18 July 2011 to 18 July 20112012: 30 July 2012 to 28 August 20121955196019661988199420022007JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Jackson meeting 30 C (86 F).
First to last qualifying date each year at Jackson
YearFirst dateLast date
19551955-07-171955-09-07
19561956-07-091956-07-23
19571957-07-281957-08-10
19581958-08-071958-08-11
19591959-07-231959-07-23
19601960-07-181960-08-10
19611961-08-021961-08-19
19631963-08-071963-08-16
19641964-08-041964-08-04
19651965-08-081965-08-09
19661966-07-151966-08-16
19671967-07-121967-08-24
19681968-07-191968-08-07
19691969-08-021969-08-28
19701970-07-201970-08-27
19881988-06-241988-07-30
19891989-07-071989-07-31
19901990-06-301990-08-09
19911991-09-021991-09-02
19921992-08-131992-08-14
19941994-06-201994-07-21
19981998-07-171998-08-06
19991999-07-061999-07-28
20002000-07-122000-08-09
20012001-06-222001-08-27
20022002-06-262002-06-26
20032003-07-112003-08-15
20042004-07-132004-07-16
20052005-07-122005-07-15
20062006-07-152006-07-29
20072007-07-052007-07-30
20082008-07-032008-08-06
20092009-07-222009-08-21
20112011-07-182011-07-18
20122012-07-302012-08-28

Every Fixed Threshold

Fixed thresholds at Jackson
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days351620034
90 F (32.2 C): Days10319601
0 C (32 F): Ice days (max4093200971
0 C (32 F): Frost days (min382861968228
-10 C (14 F): Days with min381391970107
-20 C (-4 F): Days with min3843195518
-30 C (-22 F): Days with min321119622
-40 C (-40 F): Days with min2119631
10 mm (0.39 in): Days with 10 mm or more rain451419957
25 mm (0.98 in): Days with 25 mm or more rain13319921
50 mm (1.97 in): Days with 50 mm or more rain2119631
10 cm (3.9 in): Days with 10 cm or more snowfall151019532
25 cm (9.8 in): Days with 25 cm or more snowfall5219571

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1955.

Download the Data

  • Data for Jackson 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).