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Built 2026-10-19 (19 October 2026)

Melville 4 W Threshold Days by Year (USC00245603)

15 fixed thresholds counted per year at Melville 4 W (USC00245603): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Melville 4 W Thresholds

  • Melville 4 W: days with 10 mm (0.39 in) or more of precipitation in 66 years, most in 2019 with 23.
  • Melville 4 W: days with a maximum temperature at or below 0 C (32 F) in 65 years, most in 1978 with 71.
  • Melville 4 W: nights with a minimum temperature at or below 0 C (32 F) in 65 years, most in 2002 with 220.
  • Melville 4 W: nights with a minimum temperature at or below -10 C (14 F) in 65 years, most in 1975 with 98.
  • 15 fixed thresholds have at least one qualifying day at Melville 4 W.
57 years with a qualifying day
Days at or above 30 C (86 F) per year at Melville 4 W Days per year at Melville 4 W with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 37 in 2012. 0102030401963: 81964: 41965: 21966: 101967: 11969: 101970: 81971: 151972: 21973: 21974: 91975: 11976: 21977: 31978: 21979: 11980: 11981: 11983: 61984: 31985: 151986: 21988: 191989: 51990: 101991: 41994: 11995: 21996: 41998: 141999: 92000: 172001: 92002: 62003: 192004: 22005: 72006: 122007: 142008: 42009: 52010: 32011: 102012: 372013: 82014: 12015: 82016: 112017: 182018: 12020: 22021: 142022: 182023: 32024: 112025: 52026: 261963197019761983199019992005201120172024
Days per year at Melville 4 W with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 37 in 2012.
Days at or above 30 C (86 F) per year at Melville 4 W
YearDaysDecade average
196385.8
196445.8
196525.8
1966105.8
196715.8
1969105.8
197084.5
1971154.5
197224.5
197324.5
197494.5
197514.5
197624.5
197734.5
197824.5
197914.5
198016.5
198116.5
198366.5
198436.5
1985156.5
198626.5
1988196.5
198956.5
1990106.3
199146.3
199416.3
199526.3
199646.3
1998146.3
199996.3
2000179.5
200199.5
200269.5
2003199.5
200429.5
200579.5
2006129.5
2007149.5
200849.5
200959.5
2010310.8
20111010.8
20123710.8
2013810.8
2014110.8
2015810.8
20161110.8
20171810.8
2018110.8
2020211.3
20211411.3
20221811.3
2023311.3
20241111.3
2025511.3
20262611.3
First to last qualifying date each year at Melville 4 W For each year, a bar from the first to the last day at Melville 4 W meeting 30 C (86 F). 1963: 7 July 1963 to 9 August 19631964: 18 July 1964 to 18 August 19641965: 10 August 1965 to 12 August 19651966: 28 June 1966 to 10 September 19661967: 20 August 1967 to 20 August 19671969: 5 June 1969 to 25 August 19691970: 16 July 1970 to 25 August 19701971: 16 July 1971 to 27 August 19711972: 9 August 1972 to 11 August 19721973: 10 July 1973 to 16 August 19731974: 18 June 1974 to 22 July 19741975: 27 July 1975 to 27 July 19751976: 24 July 1976 to 22 August 19761977: 16 July 1977 to 22 July 19771978: 24 July 1978 to 4 September 19781979: 5 August 1979 to 5 August 19791980: 23 July 1980 to 23 July 19801981: 5 July 1981 to 5 July 19811983: 3 August 1983 to 1 September 19831984: 29 June 1984 to 10 August 19841985: 2 July 1985 to 25 August 19851986: 2 July 1986 to 18 August 19861988: 4 June 1988 to 18 August 19881989: 4 July 1989 to 31 July 19891990: 26 June 1990 to 15 August 19901991: 8 August 1991 to 31 August 19911994: 15 August 1994 to 15 August 19941995: 6 August 1995 to 7 August 19951996: 4 July 1996 to 24 August 19961998: 17 July 1998 to 16 September 19981999: 13 July 1999 to 10 August 19992000: 13 July 2000 to 15 September 20002001: 28 July 2001 to 3 September 20012002: 27 June 2002 to 15 July 20022003: 12 July 2003 to 26 August 20032004: 17 July 2004 to 18 July 20042005: 13 July 2005 to 29 August 20052006: 15 July 2006 to 29 August 20062007: 29 June 2007 to 2 September 20072008: 30 June 2008 to 25 August 20082009: 18 July 2009 to 26 July 20092010: 29 June 2010 to 26 July 20102011: 29 June 2011 to 27 August 20112012: 24 June 2012 to 29 August 20122013: 15 July 2013 to 5 September 20132014: 12 August 2014 to 12 August 20142015: 27 June 2015 to 25 August 20152016: 5 July 2016 to 1 September 20162017: 5 July 2017 to 3 September 20172018: 11 August 2018 to 11 August 20182020: 17 August 2020 to 5 September 20202021: 14 June 2021 to 16 August 20212022: 13 July 2022 to 7 September 20222023: 24 July 2023 to 17 August 20232024: 10 July 2024 to 2 September 20242025: 9 July 2025 to 20 August 20252026: 10 July 2026 to 27 August 202619631972198019902001200920172026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Melville 4 W meeting 30 C (86 F).
First to last qualifying date each year at Melville 4 W
YearFirst dateLast date
19631963-07-071963-08-09
19641964-07-181964-08-18
19651965-08-101965-08-12
19661966-06-281966-09-10
19671967-08-201967-08-20
19691969-06-051969-08-25
19701970-07-161970-08-25
19711971-07-161971-08-27
19721972-08-091972-08-11
19731973-07-101973-08-16
19741974-06-181974-07-22
19751975-07-271975-07-27
19761976-07-241976-08-22
19771977-07-161977-07-22
19781978-07-241978-09-04
19791979-08-051979-08-05
19801980-07-231980-07-23
19811981-07-051981-07-05
19831983-08-031983-09-01
19841984-06-291984-08-10
19851985-07-021985-08-25
19861986-07-021986-08-18
19881988-06-041988-08-18
19891989-07-041989-07-31
19901990-06-261990-08-15
19911991-08-081991-08-31
19941994-08-151994-08-15
19951995-08-061995-08-07
19961996-07-041996-08-24
19981998-07-171998-09-16
19991999-07-131999-08-10
20002000-07-132000-09-15
20012001-07-282001-09-03
20022002-06-272002-07-15
20032003-07-122003-08-26
20042004-07-172004-07-18
20052005-07-132005-08-29
20062006-07-152006-08-29
20072007-06-292007-09-02
20082008-06-302008-08-25
20092009-07-182009-07-26
20102010-06-292010-07-26
20112011-06-292011-08-27
20122012-06-242012-08-29
20132013-07-152013-09-05
20142014-08-122014-08-12
20152015-06-272015-08-25
20162016-07-052016-09-01
20172017-07-052017-09-03
20182018-08-112018-08-11
20202020-08-172020-09-05
20212021-06-142021-08-16
20222022-07-132022-09-07
20232023-07-242023-08-17
20242024-07-102024-09-02
20252025-07-092025-08-20
20262026-07-102026-08-27

Every Fixed Threshold

Fixed thresholds at Melville 4 W
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5737201226
35 C (95 F): Days2120024
90 F (32.2 C): Days2613201210
100 F (37.8 C): Days10n/a1
0 C (32 F): Ice days (max6571197817
0 C (32 F): Frost days (min652202002112
-10 C (14 F): Days with min6598197522
-20 C (-4 F): Days with min653719966
-30 C (-22 F): Days with min501119723
-40 C (-40 F): Days with min5319891
10 mm (0.39 in): Days with 10 mm or more rain662320198
25 mm (0.98 in): Days with 25 mm or more rain57819923
50 mm (1.97 in): Days with 50 mm or more rain15220231
10 cm (3.9 in): Days with 10 cm or more snowfall221320144
25 cm (9.8 in): Days with 25 cm or more snowfall15220151

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

  • Data for Melville 4 W 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).