Built 2026-10-19 (19 October 2026)

Jamestown 4 ENE Threshold Days by Year (USC00304207)

14 fixed thresholds counted per year at Jamestown 4 ENE (USC00304207): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jamestown 4 ENE Thresholds

  • Jamestown 4 ENE: days with 10 cm (3.9 in) or more of snowfall in 44 years, most in 1976 with 14.
  • Jamestown 4 ENE: days with a maximum temperature at or below 0 C (32 F) in 41 years, most in 1995 with 83.
  • Jamestown 4 ENE: days with a maximum temperature at or above 30 C (86 F) in 40 years, most in 1991 with 55.
  • Jamestown 4 ENE: nights with a minimum temperature at or below 0 C (32 F) in 39 years, most in 1981 with 186.
  • 14 fixed thresholds have at least one qualifying day at Jamestown 4 ENE.
40 years with a qualifying day
Days at or above 30 C (86 F) per year at Jamestown 4 ENE Days per year at Jamestown 4 ENE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 55 in 1991. 02040601961: 101975: 111976: 51977: 121979: 101980: 101981: 91982: 71989: 341990: 351991: 551993: 111995: 131996: 232000: 42001: 162002: 332003: 92004: 12005: 352006: 132007: 222008: 132009: 62011: 222012: 282013: 152014: 52015: 212016: 272017: 122018: 252019: 152020: 292021: 262022: 242023: 162024: 242025: 272026: 131961197919891995200220062011201520192023
Days per year at Jamestown 4 ENE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 55 in 1991.
Days at or above 30 C (86 F) per year at Jamestown 4 ENE
YearDaysDecade average
19611010
1975119.5
197659.5
1977129.5
1979109.5
19801015
1981915
1982715
19893415
19903527.4
19915527.4
19931127.4
19951327.4
19962327.4
2000415.2
20011615.2
20023315.2
2003915.2
2004115.2
20053515.2
20061315.2
20072215.2
20081315.2
2009615.2
20112218.9
20122818.9
20131518.9
2014518.9
20152118.9
20162718.9
20171218.9
20182518.9
20191518.9
20202922.7
20212622.7
20222422.7
20231622.7
20242422.7
20252722.7
20261322.7
First to last qualifying date each year at Jamestown 4 ENE For each year, a bar from the first to the last day at Jamestown 4 ENE meeting 30 C (86 F). 1961: 30 June 1961 to 7 September 19611975: 22 May 1975 to 4 August 19751976: 19 April 1976 to 28 June 19761977: 21 May 1977 to 30 August 19771979: 9 May 1979 to 1 August 19791980: 24 May 1980 to 8 August 19801981: 16 June 1981 to 14 July 19811982: 8 July 1982 to 14 September 19821989: 20 May 1989 to 10 September 19891990: 27 April 1990 to 14 September 19901991: 12 May 1991 to 16 September 19911993: 11 May 1993 to 31 August 19931995: 20 June 1995 to 21 August 19951996: 11 May 1996 to 4 September 19962000: 11 June 2000 to 3 September 20002001: 14 June 2001 to 10 August 20012002: 19 April 2002 to 11 September 20022003: 25 June 2003 to 22 August 20032004: 10 June 2004 to 10 June 20042005: 6 June 2005 to 13 August 20052006: 30 May 2006 to 3 August 20062007: 10 May 2007 to 9 October 20072008: 7 June 2008 to 6 September 20082009: 28 April 2009 to 18 August 20092011: 30 May 2011 to 4 September 20112012: 21 May 2012 to 3 September 20122013: 22 May 2013 to 12 September 20132014: 14 May 2014 to 6 September 20142015: 9 May 2015 to 10 September 20152016: 28 May 2016 to 11 September 20162017: 13 June 2017 to 28 September 20172018: 29 May 2018 to 22 September 20182019: 20 May 2019 to 2 October 20192020: 26 May 2020 to 10 September 20202021: 21 May 2021 to 29 August 20212022: 13 May 2022 to 30 August 20222023: 30 May 2023 to 4 October 20232024: 21 May 2024 to 31 August 20242025: 5 June 2025 to 17 August 20252026: 19 May 2026 to 2 September 202619611980199120012006201220172022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Jamestown 4 ENE meeting 30 C (86 F).
First to last qualifying date each year at Jamestown 4 ENE
YearFirst dateLast date
19611961-06-301961-09-07
19751975-05-221975-08-04
19761976-04-191976-06-28
19771977-05-211977-08-30
19791979-05-091979-08-01
19801980-05-241980-08-08
19811981-06-161981-07-14
19821982-07-081982-09-14
19891989-05-201989-09-10
19901990-04-271990-09-14
19911991-05-121991-09-16
19931993-05-111993-08-31
19951995-06-201995-08-21
19961996-05-111996-09-04
20002000-06-112000-09-03
20012001-06-142001-08-10
20022002-04-192002-09-11
20032003-06-252003-08-22
20042004-06-102004-06-10
20052005-06-062005-08-13
20062006-05-302006-08-03
20072007-05-102007-10-09
20082008-06-072008-09-06
20092009-04-282009-08-18
20112011-05-302011-09-04
20122012-05-212012-09-03
20132013-05-222013-09-12
20142014-05-142014-09-06
20152015-05-092015-09-10
20162016-05-282016-09-11
20172017-06-132017-09-28
20182018-05-292018-09-22
20192019-05-202019-10-02
20202020-05-262020-09-10
20212021-05-212021-08-29
20222022-05-132022-08-30
20232023-05-302023-10-04
20242024-05-212024-08-31
20252025-06-052025-08-17
20262026-05-192026-09-02

Every Fixed Threshold

Fixed thresholds at Jamestown 4 ENE
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4055199113
35 C (95 F): Days5219901
90 F (32.2 C): Days292619916
0 C (32 F): Ice days (max4183199541
0 C (32 F): Frost days (min39186198195
-10 C (14 F): Days with min3964197631
-20 C (-4 F): Days with min3222201512
-30 C (-22 F): Days with min5720157
20 C (68 F): Tropical nights (min261219963
10 mm (0.39 in): Days with 10 mm or more rain3851201230
25 mm (0.98 in): Days with 25 mm or more rain381319965
50 mm (1.97 in): Days with 50 mm or more rain24319791
10 cm (3.9 in): Days with 10 cm or more snowfall441419763
25 cm (9.8 in): Days with 25 cm or more snowfall17219611

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1961.

Download the Data

  • Data for Jamestown 4 ENE 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).