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Built 2026-10-19 (19 October 2026)

Keyser 2 SSW Threshold Days by Year (USC00464840)

18 fixed thresholds counted per year at Keyser 2 SSW (USC00464840): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Keyser 2 SSW Thresholds

  • Keyser 2 SSW: days with a maximum temperature at or above 30 C (86 F) in 31 years, most in 2010 with 101.
  • Keyser 2 SSW: days with a maximum temperature at or above 35 C (95 F) in 31 years, most in 2010 with 36.
  • Keyser 2 SSW: days with a maximum temperature at or above 90 F (32.2 C) in 31 years, most in 2010 with 68.
  • Keyser 2 SSW: days with a maximum temperature at or below 0 C (32 F) in 31 years, most in 2010 with 37.
  • 18 fixed thresholds have at least one qualifying day at Keyser 2 SSW.
31 years with a qualifying day
Days at or above 30 C (86 F) per year at Keyser 2 SSW Days per year at Keyser 2 SSW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 101 in 2010. 0501001501996: 491997: 551998: 811999: 822000: 532001: 652002: 872003: 492004: 782005: 852006: 682007: 922008: 642009: 462010: 1012011: 842012: 812013: 652014: 712015: 842016: 892017: 792018: 802019: 962020: 892021: 812022: 752023: 662024: 892025: 622026: 4619962000200420082012201620202024
Days per year at Keyser 2 SSW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 101 in 2010.
Days at or above 30 C (86 F) per year at Keyser 2 SSW
YearDaysDecade average
19964966.8
19975566.8
19988166.8
19998266.8
20005368.7
20016568.7
20028768.7
20034968.7
20047868.7
20058568.7
20066868.7
20079268.7
20086468.7
20094668.7
201010183
20118483
20128183
20136583
20147183
20158483
20168983
20177983
20188083
20199683
20208972.6
20218172.6
20227572.6
20236672.6
20248972.6
20256272.6
20264672.6
First to last qualifying date each year at Keyser 2 SSW For each year, a bar from the first to the last day at Keyser 2 SSW meeting 30 C (86 F). 1996: 23 April 1996 to 11 September 19961997: 19 May 1997 to 10 October 19971998: 28 March 1998 to 1 October 19981999: 23 April 1999 to 14 September 19992000: 6 May 2000 to 5 October 20002001: 8 April 2001 to 14 September 20012002: 17 April 2002 to 21 September 20022003: 16 April 2003 to 30 August 20032004: 19 April 2004 to 24 September 20042005: 7 April 2005 to 6 October 20052006: 29 May 2006 to 5 October 20062007: 4 April 2007 to 10 October 20072008: 19 April 2008 to 15 September 20082009: 25 April 2009 to 24 September 20092010: 2 April 2010 to 26 September 20102011: 5 April 2011 to 15 September 20112012: 23 March 2012 to 15 September 20122013: 10 April 2013 to 7 October 20132014: 14 April 2014 to 1 October 20142015: 14 April 2015 to 20 September 20152016: 19 April 2016 to 24 September 20162017: 11 April 2017 to 16 October 20172018: 14 April 2018 to 9 October 20182019: 19 April 2019 to 4 October 20192020: 16 May 2020 to 23 October 20202021: 28 April 2021 to 4 October 20212022: 24 April 2022 to 22 September 20222023: 6 April 2023 to 13 September 20232024: 29 April 2024 to 1 November 20242025: 15 April 2025 to 23 September 20252026: 23 March 2026 to 15 October 202619962000200420082012201620202024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Keyser 2 SSW meeting 30 C (86 F).
First to last qualifying date each year at Keyser 2 SSW
YearFirst dateLast date
19961996-04-231996-09-11
19971997-05-191997-10-10
19981998-03-281998-10-01
19991999-04-231999-09-14
20002000-05-062000-10-05
20012001-04-082001-09-14
20022002-04-172002-09-21
20032003-04-162003-08-30
20042004-04-192004-09-24
20052005-04-072005-10-06
20062006-05-292006-10-05
20072007-04-042007-10-10
20082008-04-192008-09-15
20092009-04-252009-09-24
20102010-04-022010-09-26
20112011-04-052011-09-15
20122012-03-232012-09-15
20132013-04-102013-10-07
20142014-04-142014-10-01
20152015-04-142015-09-20
20162016-04-192016-09-24
20172017-04-112017-10-16
20182018-04-142018-10-09
20192019-04-192019-10-04
20202020-05-162020-10-23
20212021-04-282021-10-04
20222022-04-242022-09-22
20232023-04-062023-09-13
20242024-04-292024-11-01
20252025-04-152025-09-23
20262026-03-232026-10-15

Every Fixed Threshold

Fixed thresholds at Keyser 2 SSW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days31101201046
35 C (95 F): Days313620103
40 C (104 F): Days2120111
90 F (32.2 C): Days3168201014
100 F (37.8 C): Days12820101
0 C (32 F): Ice days (max3137201015
0 C (32 F): Frost days (min31148202266
-10 C (14 F): Days with min3134201416
-20 C (-4 F): Days with min7420181
20 C (68 F): Tropical nights (min3121201015
25 C (77 F): Days with min3119981
10 mm (0.39 in): Days with 10 mm or more rain3157201825
25 mm (0.98 in): Days with 25 mm or more rain312020189
50 mm (1.97 in): Days with 50 mm or more rain18219961
100 mm (3.94 in): Days with 100 mm or more rain4119961
10 cm (3.9 in): Days with 10 cm or more snowfall30520042
25 cm (9.8 in): Days with 25 cm or more snowfall8119961
50 cm (19.7 in): Days with 50 cm or more snowfall1120101

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1996.

Download the Data

  • Data for Keyser 2 SSW 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).