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

Parsons Tri City AP Threshold Days by Year (USW00003998)

17 fixed thresholds counted per year at Parsons Tri City AP (USW00003998): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Parsons Tri City AP Thresholds

  • Parsons Tri City AP: days with a maximum temperature at or above 30 C (86 F) in 27 years, most in 2022 with 116.
  • Parsons Tri City AP: days with a maximum temperature at or above 35 C (95 F) in 27 years, most in 2012 with 61.
  • Parsons Tri City AP: days with a maximum temperature at or above 90 F (32.2 C) in 27 years, most in 2022 with 94.
  • Parsons Tri City AP: days with a maximum temperature at or below 0 C (32 F) in 27 years, most in 2014 with 22.
  • 17 fixed thresholds have at least one qualifying day at Parsons Tri City AP.
27 years with a qualifying day
Days at or above 30 C (86 F) per year at Parsons Tri City AP Days per year at Parsons Tri City AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 116 in 2022. 0501001501997: 701998: 1071999: 712000: 892001: 852002: 1012003: 752004: 642005: 1012006: 1132007: 872008: 652009: 652010: 1112011: 1122012: 1102013: 842014: 832015: 842016: 952017: 872018: 1022019: 822022: 1162023: 1112024: 1092025: 84199720002003200620092012201520182023
Days per year at Parsons Tri City AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 116 in 2022.
Days at or above 30 C (86 F) per year at Parsons Tri City AP
YearDaysDecade average
19977082.7
199810782.7
19997182.7
20008984.5
20018584.5
200210184.5
20037584.5
20046484.5
200510184.5
200611384.5
20078784.5
20086584.5
20096584.5
201011195
201111295
201211095
20138495
20148395
20158495
20169595
20178795
201810295
20198295
2022116105
2023111105
2024109105
202584105
First to last qualifying date each year at Parsons Tri City AP For each year, a bar from the first to the last day at Parsons Tri City AP meeting 30 C (86 F). 1997: 17 May 1997 to 6 October 19971998: 13 May 1998 to 29 September 19981999: 3 June 1999 to 24 September 19992000: 8 May 2000 to 3 October 20002001: 26 April 2001 to 14 September 20012002: 17 April 2002 to 3 October 20022003: 10 May 2003 to 20 October 20032004: 6 May 2004 to 26 September 20042005: 12 March 2005 to 19 October 20052006: 1 March 2006 to 3 October 20062007: 12 May 2007 to 6 October 20072008: 19 May 2008 to 27 September 20082009: 23 April 2009 to 27 September 20092010: 6 May 2010 to 9 October 20102011: 3 April 2011 to 25 October 20112012: 1 April 2012 to 25 September 20122013: 29 April 2013 to 4 October 20132014: 3 May 2014 to 26 October 20142015: 7 April 2015 to 15 October 20152016: 10 April 2016 to 17 October 20162017: 19 March 2017 to 14 October 20172018: 5 May 2018 to 5 October 20182019: 10 April 2019 to 2 October 20192022: 9 May 2022 to 21 October 20222023: 6 May 2023 to 23 October 20232024: 13 April 2024 to 29 October 20242025: 13 April 2025 to 17 October 20251997200120052009201320172023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Parsons Tri City AP meeting 30 C (86 F).
First to last qualifying date each year at Parsons Tri City AP
YearFirst dateLast date
19971997-05-171997-10-06
19981998-05-131998-09-29
19991999-06-031999-09-24
20002000-05-082000-10-03
20012001-04-262001-09-14
20022002-04-172002-10-03
20032003-05-102003-10-20
20042004-05-062004-09-26
20052005-03-122005-10-19
20062006-03-012006-10-03
20072007-05-122007-10-06
20082008-05-192008-09-27
20092009-04-232009-09-27
20102010-05-062010-10-09
20112011-04-032011-10-25
20122012-04-012012-09-25
20132013-04-292013-10-04
20142014-05-032014-10-26
20152015-04-072015-10-15
20162016-04-102016-10-17
20172017-03-192017-10-14
20182018-05-052018-10-05
20192019-04-102019-10-02
20222022-05-092022-10-21
20232023-05-062023-10-23
20242024-04-132024-10-29
20252025-04-132025-10-17

Every Fixed Threshold

Fixed thresholds at Parsons Tri City AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days27116202284
35 C (95 F): Days2761201212
40 C (104 F): Days101820115
90 F (32.2 C): Days2794202259
100 F (37.8 C): Days194420115
110 F (43.3 C): Days3220121
0 C (32 F): Ice days (max2722201416
0 C (32 F): Frost days (min27121201494
-10 C (14 F): Days with min2726202221
-20 C (-4 F): Days with min11520111
-30 C (-22 F): Days with min1120111
20 C (68 F): Tropical nights (min2788201060
25 C (77 F): Days with min252120115
10 mm (0.39 in): Days with 10 mm or more rain2744201921
25 mm (0.98 in): Days with 25 mm or more rain271720196
50 mm (1.97 in): Days with 50 mm or more rain25720092
100 mm (3.94 in): Days with 100 mm or more rain4120091

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1997.

Download the Data

  • Data for Parsons Tri City AP 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).