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

Monmouth 4NW Threshold Days by Year (USC00115772)

17 fixed thresholds counted per year at Monmouth 4NW (USC00115772): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Monmouth 4NW Thresholds

  • Monmouth 4NW: days with a maximum temperature at or above 30 C (86 F) in 27 years, most in 2018 with 64.
  • Monmouth 4NW: days with a maximum temperature at or above 90 F (32.2 C) in 27 years, most in 2012 with 41.
  • Monmouth 4NW: days with a maximum temperature at or below 0 C (32 F) in 27 years, most in 2010 with 75.
  • Monmouth 4NW: nights with a minimum temperature at or below 0 C (32 F) in 26 years, most in 2018 with 163.
  • 17 fixed thresholds have at least one qualifying day at Monmouth 4NW.
27 years with a qualifying day
Days at or above 30 C (86 F) per year at Monmouth 4NW Days per year at Monmouth 4NW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 64 in 2018. 0204060801996: 291997: 391998: 471999: 412000: 472001: 462002: 622003: 422007: 492008: 152009: 112010: 502011: 542012: 602013: 432014: 242015: 262016: 512017: 452018: 642019: 452020: 402021: 552022: 422023: 472024: 522025: 62199619992002200820112014201720202023
Days per year at Monmouth 4NW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 64 in 2018.
Days at or above 30 C (86 F) per year at Monmouth 4NW
YearDaysDecade average
19962939
19973939
19984739
19994139
20004738.9
20014638.9
20026238.9
20034238.9
20074938.9
20081538.9
20091138.9
20105046.2
20115446.2
20126046.2
20134346.2
20142446.2
20152646.2
20165146.2
20174546.2
20186446.2
20194546.2
20204049.7
20215549.7
20224249.7
20234749.7
20245249.7
20256249.7
First to last qualifying date each year at Monmouth 4NW For each year, a bar from the first to the last day at Monmouth 4NW meeting 30 C (86 F). 1996: 18 May 1996 to 23 August 19961997: 19 May 1997 to 8 October 19971998: 15 May 1998 to 28 September 19981999: 6 June 1999 to 26 September 19992000: 9 May 2000 to 23 September 20002001: 30 April 2001 to 8 September 20012002: 16 April 2002 to 2 October 20022003: 15 April 2003 to 12 September 20032007: 12 May 2007 to 8 October 20072008: 2 June 2008 to 3 September 20082009: 2 June 2009 to 10 August 20092010: 24 May 2010 to 11 October 20102011: 10 May 2011 to 13 September 20112012: 2 April 2012 to 5 September 20122013: 15 May 2013 to 20 September 20132014: 8 May 2014 to 5 September 20142015: 10 June 2015 to 18 September 20152016: 24 May 2016 to 18 October 20162017: 16 May 2017 to 3 October 20172018: 2 May 2018 to 4 October 20182019: 17 May 2019 to 2 October 20192020: 25 May 2020 to 7 September 20202021: 28 April 2021 to 1 October 20212022: 10 May 2022 to 21 September 20222023: 8 May 2023 to 4 October 20232024: 15 April 2024 to 13 October 20242025: 29 April 2025 to 6 October 20251996200020072011201520192023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Monmouth 4NW meeting 30 C (86 F).
First to last qualifying date each year at Monmouth 4NW
YearFirst dateLast date
19961996-05-181996-08-23
19971997-05-191997-10-08
19981998-05-151998-09-28
19991999-06-061999-09-26
20002000-05-092000-09-23
20012001-04-302001-09-08
20022002-04-162002-10-02
20032003-04-152003-09-12
20072007-05-122007-10-08
20082008-06-022008-09-03
20092009-06-022009-08-10
20102010-05-242010-10-11
20112011-05-102011-09-13
20122012-04-022012-09-05
20132013-05-152013-09-20
20142014-05-082014-09-05
20152015-06-102015-09-18
20162016-05-242016-10-18
20172017-05-162017-10-03
20182018-05-022018-10-04
20192019-05-172019-10-02
20202020-05-252020-09-07
20212021-04-282021-10-01
20222022-05-102022-09-21
20232023-05-082023-10-04
20242024-04-152024-10-13
20252025-04-292025-10-06

Every Fixed Threshold

Fixed thresholds at Monmouth 4NW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2764201862
35 C (95 F): Days151020122
90 F (32.2 C): Days2741201227
100 F (37.8 C): Days2120001
0 C (32 F): Ice days (max2775201048
0 C (32 F): Frost days (min261632018126
-10 C (14 F): Days with min2667201445
-20 C (-4 F): Days with min242020147
-30 C (-22 F): Days with min4219961
20 C (68 F): Tropical nights (min2635202535
25 C (77 F): Days with min4220191
10 mm (0.39 in): Days with 10 mm or more rain1341200915
25 mm (0.98 in): Days with 25 mm or more rain131620093
50 mm (1.97 in): Days with 50 mm or more rain10519981
100 mm (3.94 in): Days with 100 mm or more rain10n/a1
10 cm (3.9 in): Days with 10 cm or more snowfall18620002
25 cm (9.8 in): Days with 25 cm or more snowfall1119971

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 Monmouth 4NW 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).