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Built 2026-10-19 (19 October 2026)

Erwin 1 W Threshold Days by Year (USC00402934)

13 fixed thresholds counted per year at Erwin 1 W (USC00402934): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Erwin 1 W Thresholds

  • Erwin 1 W: days with a maximum temperature at or above 30 C (86 F) in 44 years, most in 2010 with 90.
  • Erwin 1 W: days with a maximum temperature at or below 0 C (32 F) in 44 years, most in 2010 with 28.
  • Erwin 1 W: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1989 with 54.
  • Erwin 1 W: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 1982 with 16.
  • 13 fixed thresholds have at least one qualifying day at Erwin 1 W.
44 years with a qualifying day
Days at or above 30 C (86 F) per year at Erwin 1 W Days per year at Erwin 1 W with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 90 in 2010. 02550751001980: 811981: 471982: 281983: 491984: 501985: 481986: 711987: 551988: 571989: 261991: 561992: 251993: 741994: 431995: 571996: 491997: 501998: 851999: 672000: 382001: 342002: 832003: 352004: 312005: 452006: 572007: 732008: 522009: 282010: 902011: 762012: 542013: 242014: 392015: 582016: 822017: 462018: 532019: 802020: 472021: 462022: 552023: 282026: 64198019851991199620012006201120162021
Days per year at Erwin 1 W with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 90 in 2010.
Days at or above 30 C (86 F) per year at Erwin 1 W
YearDaysDecade average
19808151.2
19814751.2
19822851.2
19834951.2
19845051.2
19854851.2
19867151.2
19875551.2
19885751.2
19892651.2
19915656.2
19922556.2
19937456.2
19944356.2
19955756.2
19964956.2
19975056.2
19988556.2
19996756.2
20003847.6
20013447.6
20028347.6
20033547.6
20043147.6
20054547.6
20065747.6
20077347.6
20085247.6
20092847.6
20109060.2
20117660.2
20125460.2
20132460.2
20143960.2
20155860.2
20168260.2
20174660.2
20185360.2
20198060.2
20204748
20214648
20225548
20232848
20266448
First to last qualifying date each year at Erwin 1 W For each year, a bar from the first to the last day at Erwin 1 W meeting 30 C (86 F). 1980: 13 May 1980 to 25 September 19801981: 14 April 1981 to 14 September 19811982: 14 May 1982 to 10 October 19821983: 3 June 1983 to 11 September 19831984: 27 April 1984 to 20 October 19841985: 23 April 1985 to 30 September 19851986: 27 April 1986 to 4 October 19861987: 19 May 1987 to 17 September 19871988: 24 April 1988 to 23 September 19881989: 26 May 1989 to 31 August 19891991: 25 May 1991 to 19 September 19911992: 8 June 1992 to 9 September 19921993: 5 June 1993 to 27 September 19931994: 29 April 1994 to 17 September 19941995: 11 April 1995 to 14 September 19951996: 30 April 1996 to 30 August 19961997: 19 May 1997 to 21 September 19971998: 15 May 1998 to 1 October 19981999: 3 June 1999 to 13 September 19992000: 13 May 2000 to 21 September 20002001: 11 April 2001 to 7 September 20012002: 17 April 2002 to 4 October 20022003: 12 June 2003 to 3 September 20032004: 22 May 2004 to 29 August 20042005: 7 July 2005 to 4 October 20052006: 17 April 2006 to 31 August 20062007: 2 May 2007 to 9 October 20072008: 5 June 2008 to 15 September 20082009: 26 April 2009 to 25 September 20092010: 3 April 2010 to 25 September 20102011: 5 April 2011 to 27 September 20112012: 26 May 2012 to 8 September 20122013: 22 May 2013 to 6 October 20132014: 13 May 2014 to 7 September 20142015: 12 May 2015 to 10 September 20152016: 1 June 2016 to 26 September 20162017: 29 April 2017 to 28 September 20172018: 14 May 2018 to 8 October 20182019: 19 May 2019 to 5 October 20192020: 29 May 2020 to 15 September 20202021: 25 May 2021 to 20 September 20212022: 23 April 2022 to 22 September 20222023: 4 June 2023 to 6 September 20232026: 18 May 2026 to 22 September 202619801986199319992005201120172023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Erwin 1 W meeting 30 C (86 F).
First to last qualifying date each year at Erwin 1 W
YearFirst dateLast date
19801980-05-131980-09-25
19811981-04-141981-09-14
19821982-05-141982-10-10
19831983-06-031983-09-11
19841984-04-271984-10-20
19851985-04-231985-09-30
19861986-04-271986-10-04
19871987-05-191987-09-17
19881988-04-241988-09-23
19891989-05-261989-08-31
19911991-05-251991-09-19
19921992-06-081992-09-09
19931993-06-051993-09-27
19941994-04-291994-09-17
19951995-04-111995-09-14
19961996-04-301996-08-30
19971997-05-191997-09-21
19981998-05-151998-10-01
19991999-06-031999-09-13
20002000-05-132000-09-21
20012001-04-112001-09-07
20022002-04-172002-10-04
20032003-06-122003-09-03
20042004-05-222004-08-29
20052005-07-072005-10-04
20062006-04-172006-08-31
20072007-05-022007-10-09
20082008-06-052008-09-15
20092009-04-262009-09-25
20102010-04-032010-09-25
20112011-04-052011-09-27
20122012-05-262012-09-08
20132013-05-222013-10-06
20142014-05-132014-09-07
20152015-05-122015-09-10
20162016-06-012016-09-26
20172017-04-292017-09-28
20182018-05-142018-10-08
20192019-05-192019-10-05
20202020-05-292020-09-15
20212021-05-252021-09-20
20222022-04-232022-09-22
20232023-06-042023-09-06
20262026-05-182026-09-22

Every Fixed Threshold

Fixed thresholds at Erwin 1 W
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4490201064
35 C (95 F): Days171019931
90 F (32.2 C): Days4141199319
100 F (37.8 C): Days2220122
0 C (32 F): Ice days (max442820105
0 C (32 F): Frost days (min37125198129
-10 C (14 F): Days with min342519814
-20 C (-4 F): Days with min7319942
20 C (68 F): Tropical nights (min3730201026
10 mm (0.39 in): Days with 10 mm or more rain4454198931
25 mm (0.98 in): Days with 25 mm or more rain441619829
50 mm (1.97 in): Days with 50 mm or more rain34419841
10 cm (3.9 in): Days with 10 cm or more snowfall11220101

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1980.

Download the Data

  • Data for Erwin 1 W 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).