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Built 2026-10-18 (18 October 2026)

Mannington 8 WNW Threshold Days by Year

17 fixed thresholds counted per year at Mannington 8 WNW (USC00465626): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mannington 8 WNW Thresholds

  • Mannington 8 WNW: days with 10 mm (0.39 in) or more of precipitation in 57 years, most in 1996 with 59.
  • Mannington 8 WNW: days with 25 mm (0.98 in) or more of precipitation in 57 years, most in 1956 with 17.
  • Mannington 8 WNW: days with 50 mm (1.97 in) or more of precipitation in 36 years, most in 1963 with 4.
  • Mannington 8 WNW: days with a maximum temperature at or above 30 C (86 F) in 33 years, most in 1991 with 82.
  • 17 fixed thresholds have at least one qualifying day at Mannington 8 WNW.
33 years with a qualifying day
Days at or above 30 C (86 F) per year at Mannington 8 WNW Days per year at Mannington 8 WNW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 82 in 1991. 02550751001981: 211982: 271983: 541984: 311985: 331986: 361987: 561988: 551989: 311990: 401991: 821992: 281993: 591994: 571995: 661996: 501997: 371998: 741999: 702000: 232001: 322002: 682003: 232004: 192005: 532006: 322007: 572008: 302009: 222010: 642011: 452017: 342018: 49198119851989199319972001200520092018
Days per year at Mannington 8 WNW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 82 in 1991.
Days at or above 30 C (86 F) per year at Mannington 8 WNW
YearDaysDecade average
19812138.2
19822738.2
19835438.2
19843138.2
19853338.2
19863638.2
19875638.2
19885538.2
19893138.2
19904056.3
19918256.3
19922856.3
19935956.3
19945756.3
19956656.3
19965056.3
19973756.3
19987456.3
19997056.3
20002335.9
20013235.9
20026835.9
20032335.9
20041935.9
20055335.9
20063235.9
20075735.9
20083035.9
20092235.9
20106448
20114548
20173448
20184948
First to last qualifying date each year at Mannington 8 WNW For each year, a bar from the first to the last day at Mannington 8 WNW meeting 30 C (86 F). 1981: 25 May 1981 to 2 September 19811982: 7 May 1982 to 13 September 19821983: 8 May 1983 to 21 September 19831984: 27 April 1984 to 22 September 19841985: 18 April 1985 to 23 September 19851986: 27 April 1986 to 30 September 19861987: 21 April 1987 to 27 August 19871988: 8 May 1988 to 27 August 19881989: 18 May 1989 to 21 September 19891990: 24 April 1990 to 11 September 19901991: 12 May 1991 to 18 September 19911992: 12 May 1992 to 9 September 19921993: 9 May 1993 to 14 September 19931994: 25 April 1994 to 16 September 19941995: 11 April 1995 to 13 October 19951996: 29 April 1996 to 5 September 19961997: 18 May 1997 to 2 September 19971998: 30 March 1998 to 30 September 19981999: 22 April 1999 to 28 September 19992000: 6 May 2000 to 21 October 20002001: 23 April 2001 to 7 September 20012002: 16 April 2002 to 20 September 20022003: 24 June 2003 to 29 August 20032004: 18 April 2004 to 29 August 20042005: 11 May 2005 to 6 October 20052006: 28 May 2006 to 26 August 20062007: 1 May 2007 to 8 October 20072008: 5 June 2008 to 14 September 20082009: 24 April 2009 to 27 August 20092010: 3 April 2010 to 24 September 20102011: 10 April 2011 to 3 September 20112017: 30 April 2017 to 26 September 20172018: 14 April 2018 to 9 October 20181981198619911996200120062011JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mannington 8 WNW meeting 30 C (86 F).
First to last qualifying date each year at Mannington 8 WNW
YearFirst dateLast date
19811981-05-251981-09-02
19821982-05-071982-09-13
19831983-05-081983-09-21
19841984-04-271984-09-22
19851985-04-181985-09-23
19861986-04-271986-09-30
19871987-04-211987-08-27
19881988-05-081988-08-27
19891989-05-181989-09-21
19901990-04-241990-09-11
19911991-05-121991-09-18
19921992-05-121992-09-09
19931993-05-091993-09-14
19941994-04-251994-09-16
19951995-04-111995-10-13
19961996-04-291996-09-05
19971997-05-181997-09-02
19981998-03-301998-09-30
19991999-04-221999-09-28
20002000-05-062000-10-21
20012001-04-232001-09-07
20022002-04-162002-09-20
20032003-06-242003-08-29
20042004-04-182004-08-29
20052005-05-112005-10-06
20062006-05-282006-08-26
20072007-05-012007-10-08
20082008-06-052008-09-14
20092009-04-242009-08-27
20102010-04-032010-09-24
20112011-04-102011-09-03
20172017-04-302017-09-26
20182018-04-142018-10-09

Every Fixed Threshold

Fixed thresholds at Mannington 8 WNW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3382199149
35 C (95 F): Days141219881
90 F (32.2 C): Days3247199114
100 F (37.8 C): Days2419881
0 C (32 F): Ice days (max3352201021
0 C (32 F): Frost days (min321781989136
-10 C (14 F): Days with min3250198120
-20 C (-4 F): Days with min261719815
-30 C (-22 F): Days with min3419843
20 C (68 F): Tropical nights (min221020062
10 mm (0.39 in): Days with 10 mm or more rain5759199656
25 mm (0.98 in): Days with 25 mm or more rain5717195614
50 mm (1.97 in): Days with 50 mm or more rain36419633
100 mm (3.94 in): Days with 100 mm or more rain1119851
10 cm (3.9 in): Days with 10 cm or more snowfall22620102
25 cm (9.8 in): Days with 25 cm or more snowfall3319943
50 cm (19.7 in): Days with 50 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 1981.

Download the Data

  • Data for Mannington 8 WNW 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).