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

Erwin Threshold Days by Year (USC00402929)

15 fixed thresholds counted per year at Erwin (USC00402929): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Erwin Thresholds

  • Erwin: days with 10 mm (0.39 in) or more of precipitation in 21 years, most in 1957 with 52.
  • Erwin: days with 25 mm (0.98 in) or more of precipitation in 21 years, most in 1936 with 16.
  • Erwin: days with 50 mm (1.97 in) or more of precipitation in 13 years, most in 1934 with 3.
  • Erwin: days with a maximum temperature at or above 30 C (86 F) in 8 years, most in 1936 with 96.
  • 15 fixed thresholds have at least one qualifying day at Erwin.
8 years with a qualifying day
Days at or above 30 C (86 F) per year at Erwin Days per year at Erwin with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 96 in 1936. 02550751001932: 691934: 311935: 521936: 961937: 581938: 581942: 561943: 8019321934193519361937193819421943
Days per year at Erwin with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 96 in 1936.
Days at or above 30 C (86 F) per year at Erwin
YearDaysDecade average
19326960.7
19343160.7
19355260.7
19369660.7
19375860.7
19385860.7
19425668
19438068
First to last qualifying date each year at Erwin For each year, a bar from the first to the last day at Erwin meeting 30 C (86 F). 1932: 26 May 1932 to 18 September 19321934: 7 June 1934 to 28 September 19341935: 2 May 1935 to 26 August 19351936: 1 May 1936 to 29 September 19361937: 23 April 1937 to 5 September 19371938: 4 May 1938 to 14 September 19381942: 28 April 1942 to 19 September 19421943: 7 May 1943 to 27 September 194319321934193519361937193819421943JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Erwin meeting 30 C (86 F).
First to last qualifying date each year at Erwin
YearFirst dateLast date
19321932-05-261932-09-18
19341934-06-071934-09-28
19351935-05-021935-08-26
19361936-05-011936-09-29
19371937-04-231937-09-05
19381938-05-041938-09-14
19421942-04-281942-09-19
19431943-05-071943-09-27

Every Fixed Threshold

Fixed thresholds at Erwin
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days896193680
35 C (95 F): Days31119365
90 F (32.2 C): Days851193644
100 F (37.8 C): Days2119321
0 C (32 F): Ice days (max81119365
0 C (32 F): Frost days (min71131943113
-10 C (14 F): Days with min720194320
-20 C (-4 F): Days with min2219361
20 C (68 F): Tropical nights (min71519325
25 C (77 F): Days with min2219361
10 mm (0.39 in): Days with 10 mm or more rain2152195752
25 mm (0.98 in): Days with 25 mm or more rain2116193613
50 mm (1.97 in): Days with 50 mm or more rain13319341
100 mm (3.94 in): Days with 100 mm or more rain1119531
10 cm (3.9 in): Days with 10 cm or more snowfall1119501

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1932.

Download the Data

  • Data for Erwin 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).