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Built 2026-10-18 (18 October 2026)

Southwick West Station Threshold Days by Year

5 fixed thresholds counted per year at Southwick West Station (ASN00030130): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Southwick West Station Thresholds

  • Southwick West Station: days with 10 mm (0.39 in) or more of precipitation in 25 years, most in 1974 with 44.
  • Southwick West Station: days with 25 mm (0.98 in) or more of precipitation in 24 years, most in 1974 with 27.
  • Southwick West Station: days with 50 mm (1.97 in) or more of precipitation in 21 years, most in 1975 with 7.
  • Southwick West Station: days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 2002 with 2.
  • 5 fixed thresholds have at least one qualifying day at Southwick West Station.
25 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Southwick West Station Days per year at Southwick West Station with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 44 in 1974. 02040601970: 191971: 191972: 181973: 271974: 441975: 271976: 201977: 171978: 191989: 211990: 201991: 331993: 91994: 61995: 141996: 91997: 211999: 182000: 392001: 122002: 152022: 132023: 192024: 212025: 37197019731976198919931996200020222025
Days per year at Southwick West Station with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 44 in 1974.
Days with 10 mm (0.39 in) or more of precipitation per year at Southwick West Station
YearDaysDecade average
19701923.3
19711923.3
19721823.3
19732723.3
19744423.3
19752723.3
19762023.3
19771723.3
19781923.3
19892121
19902016.3
19913316.3
1993916.3
1994616.3
19951416.3
1996916.3
19972116.3
19991816.3
20003922
20011222
20021522
20221322.5
20231922.5
20242122.5
20253722.5
First to last qualifying date each year at Southwick West Station For each year, a bar from the first to the last day at Southwick West Station meeting 10 mm (0.39 in). 1970: 20 January 1970 to 28 December 19701971: 1 January 1971 to 26 December 19711972: 2 January 1972 to 28 November 19721973: 14 January 1973 to 26 December 19731974: 2 January 1974 to 30 December 19741975: 2 January 1975 to 30 December 19751976: 5 January 1976 to 27 December 19761977: 3 February 1977 to 23 December 19771978: 6 January 1978 to 26 December 19781989: 4 January 1989 to 17 December 19891990: 17 January 1990 to 31 December 19901991: 3 January 1991 to 11 December 19911993: 5 January 1993 to 23 November 19931994: 11 January 1994 to 5 March 19941995: 19 January 1995 to 12 December 19951996: 4 January 1996 to 19 December 19961997: 10 January 1997 to 29 December 19971999: 3 January 1999 to 27 December 19992000: 11 January 2000 to 30 December 20002001: 1 January 2001 to 11 November 20012002: 1 January 2002 to 22 December 20022022: 1 July 2022 to 27 December 20222023: 6 January 2023 to 17 December 20232024: 17 January 2024 to 30 December 20242025: 12 January 2025 to 29 December 20251970197419781993199720022025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Southwick West Station meeting 10 mm (0.39 in).
First to last qualifying date each year at Southwick West Station
YearFirst dateLast date
19701970-01-201970-12-28
19711971-01-011971-12-26
19721972-01-021972-11-28
19731973-01-141973-12-26
19741974-01-021974-12-30
19751975-01-021975-12-30
19761976-01-051976-12-27
19771977-02-031977-12-23
19781978-01-061978-12-26
19891989-01-041989-12-17
19901990-01-171990-12-31
19911991-01-031991-12-11
19931993-01-051993-11-23
19941994-01-111994-03-05
19951995-01-191995-12-12
19961996-01-041996-12-19
19971997-01-101997-12-29
19991999-01-031999-12-27
20002000-01-112000-12-30
20012001-01-012001-11-11
20022002-01-012002-12-22
20222022-07-012022-12-27
20232023-01-062023-12-17
20242024-01-172024-12-30
20252025-01-122025-12-29

Every Fixed Threshold

Fixed thresholds at Southwick West Station
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2544197437
25 mm (0.98 in): Days with 25 mm or more rain2427197418
50 mm (1.97 in): Days with 50 mm or more rain21719757
100 mm (3.94 in): Days with 100 mm or more rain4220021
200 mm (7.87 in): Days with 200 mm or more rain1120021

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.

Download the Data

  • Data for Southwick West Station 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).