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Built 2026-10-19 (19 October 2026)

Greenville ASOS Threshold Days by Year (USW00013939)

15 fixed thresholds counted per year at Greenville ASOS (USW00013939): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Greenville ASOS Thresholds

  • Greenville ASOS: days with a maximum temperature at or above 30 C (86 F) in 31 years, most in 2022 with 147.
  • Greenville ASOS: days with a maximum temperature at or above 35 C (95 F) in 31 years, most in 1954 with 80.
  • Greenville ASOS: days with a maximum temperature at or above 90 F (32.2 C) in 31 years, most in 1954 with 117.
  • Greenville ASOS: nights with a minimum temperature at or below 0 C (32 F) in 31 years, most in 2010 with 64.
  • 15 fixed thresholds have at least one qualifying day at Greenville ASOS.
31 years with a qualifying day
Days at or above 30 C (86 F) per year at Greenville ASOS Days per year at Greenville ASOS with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 147 in 2022. 0501001501954: 1391955: 1291956: 1311957: 1061958: 1111959: 1172002: 1242003: 1172004: 1132005: 1332006: 1322007: 1422008: 1202009: 932010: 1402011: 1232012: 1222013: 1222014: 1132015: 1332016: 1382017: 1152018: 1352019: 1332020: 1192021: 1302022: 1472023: 1472024: 1422025: 1452026: 13519541958200420082012201620202024
Days per year at Greenville ASOS with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 147 in 2022.
Days at or above 30 C (86 F) per year at Greenville ASOS
YearDaysDecade average
1954139122.2
1955129122.2
1956131122.2
1957106122.2
1958111122.2
1959117122.2
2002124121.8
2003117121.8
2004113121.8
2005133121.8
2006132121.8
2007142121.8
2008120121.8
200993121.8
2010140127.4
2011123127.4
2012122127.4
2013122127.4
2014113127.4
2015133127.4
2016138127.4
2017115127.4
2018135127.4
2019133127.4
2020119137.9
2021130137.9
2022147137.9
2023147137.9
2024142137.9
2025145137.9
2026135137.9
First to last qualifying date each year at Greenville ASOS For each year, a bar from the first to the last day at Greenville ASOS meeting 30 C (86 F). 1954: 7 April 1954 to 11 October 19541955: 18 April 1955 to 11 October 19551956: 28 April 1956 to 14 October 19561957: 20 April 1957 to 21 September 19571958: 23 April 1958 to 9 October 19581959: 1 May 1959 to 10 October 19592002: 19 March 2002 to 6 October 20022003: 29 April 2003 to 24 October 20032004: 7 May 2004 to 30 October 20042005: 10 May 2005 to 8 November 20052006: 17 April 2006 to 18 October 20062007: 30 March 2007 to 18 October 20072008: 23 April 2008 to 15 October 20082009: 22 April 2009 to 8 October 20092010: 5 May 2010 to 24 October 20102011: 19 April 2011 to 17 October 20112012: 30 April 2012 to 28 September 20122013: 9 April 2013 to 5 October 20132014: 4 May 2014 to 10 October 20142015: 5 May 2015 to 22 October 20152016: 28 April 2016 to 1 November 20162017: 28 April 2017 to 21 October 20172018: 2 May 2018 to 9 October 20182019: 10 April 2019 to 10 October 20192020: 14 May 2020 to 23 October 20202021: 3 May 2021 to 23 October 20212022: 29 April 2022 to 24 October 20222023: 4 April 2023 to 8 November 20232024: 24 April 2024 to 30 October 20242025: 2 April 2025 to 18 October 20252026: 3 April 2026 to 13 October 202619541958200420082012201620202024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Greenville ASOS meeting 30 C (86 F).
First to last qualifying date each year at Greenville ASOS
YearFirst dateLast date
19541954-04-071954-10-11
19551955-04-181955-10-11
19561956-04-281956-10-14
19571957-04-201957-09-21
19581958-04-231958-10-09
19591959-05-011959-10-10
20022002-03-192002-10-06
20032003-04-292003-10-24
20042004-05-072004-10-30
20052005-05-102005-11-08
20062006-04-172006-10-18
20072007-03-302007-10-18
20082008-04-232008-10-15
20092009-04-222009-10-08
20102010-05-052010-10-24
20112011-04-192011-10-17
20122012-04-302012-09-28
20132013-04-092013-10-05
20142014-05-042014-10-10
20152015-05-052015-10-22
20162016-04-282016-11-01
20172017-04-282017-10-21
20182018-05-022018-10-09
20192019-04-102019-10-10
20202020-05-142020-10-23
20212021-05-032021-10-23
20222022-04-292022-10-24
20232023-04-042023-11-08
20242024-04-242024-10-30
20252025-04-022025-10-18
20262026-04-032026-10-13

Every Fixed Threshold

Fixed thresholds at Greenville ASOS
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days311472022135
35 C (95 F): Days3180195467
40 C (104 F): Days7419561
90 F (32.2 C): Days311171954111
100 F (37.8 C): Days1733195419
0 C (32 F): Ice days (max21720143
0 C (32 F): Frost days (min3164201023
-10 C (14 F): Days with min11420181
20 C (68 F): Tropical nights (min311242018130
25 C (77 F): Days with min2824195410
10 mm (0.39 in): Days with 10 mm or more rain3157195713
25 mm (0.98 in): Days with 25 mm or more rain313019576
50 mm (1.97 in): Days with 50 mm or more rain30920194
100 mm (3.94 in): Days with 100 mm or more rain13219581
200 mm (7.87 in): Days with 200 mm or more rain1120081

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1954.

Download the Data

  • Data for Greenville ASOS 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).