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Built 2026-10-19 (19 October 2026)

Salem 5 SW Threshold Days by Year (USC00397457)

6 fixed thresholds counted per year at Salem 5 SW (USC00397457): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Salem 5 SW Thresholds

  • Salem 5 SW: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1970 with 31.
  • Salem 5 SW: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1944 with 12.
  • Salem 5 SW: days with 10 cm (3.9 in) or more of snowfall in 25 years, most in 1961 with 6.
  • Salem 5 SW: days with 50 mm (1.97 in) or more of precipitation in 23 years, most in 1946 with 3.
  • 6 fixed thresholds have at least one qualifying day at Salem 5 SW.
40 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Salem 5 SW Days per year at Salem 5 SW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1970. 0102030401942: 261943: 191944: 301945: 181946: 201947: 271948: 181949: 191950: 181951: 251952: 171953: 241954: 211955: 201956: 131957: 231958: 161959: 271960: 261961: 211962: 291963: 221964: 201965: 271966: 171967: 141968: 161970: 311972: 271990: 171991: 201992: 271993: 251994: 151995: 241996: 291997: 131998: 251999: 152000: 161942194619501954195819621966197219931997
Days per year at Salem 5 SW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1970.
Days with 10 mm (0.39 in) or more of precipitation per year at Salem 5 SW
YearDaysDecade average
19422622.1
19431922.1
19443022.1
19451822.1
19462022.1
19472722.1
19481822.1
19491922.1
19501820.4
19512520.4
19521720.4
19532420.4
19542120.4
19552020.4
19561320.4
19572320.4
19581620.4
19592720.4
19602621.3
19612121.3
19622921.3
19632221.3
19642021.3
19652721.3
19661721.3
19671421.3
19681621.3
19703129
19722729
19901721
19912021
19922721
19932521
19941521
19952421
19962921
19971321
19982521
19991521
20001616
First to last qualifying date each year at Salem 5 SW For each year, a bar from the first to the last day at Salem 5 SW meeting 10 mm (0.39 in). 1942: 14 March 1942 to 26 September 19421943: 2 February 1943 to 31 October 19431944: 27 January 1944 to 25 November 19441945: 3 February 1945 to 29 December 19451946: 5 February 1946 to 8 November 19461947: 28 January 1947 to 4 December 19471948: 27 February 1948 to 19 November 19481949: 3 January 1949 to 10 December 19491950: 10 April 1950 to 8 November 19501951: 28 February 1951 to 6 December 19511952: 14 January 1952 to 17 November 19521953: 14 March 1953 to 5 December 19531954: 20 February 1954 to 30 November 19541955: 4 February 1955 to 3 December 19551956: 10 March 1956 to 30 October 19561957: 18 March 1957 to 1 November 19571958: 27 February 1958 to 18 November 19581959: 10 February 1959 to 27 December 19591960: 1 January 1960 to 5 December 19601961: 1 January 1961 to 2 November 19611962: 17 February 1962 to 7 October 19621963: 11 March 1963 to 22 November 19631964: 3 March 1964 to 25 December 19641965: 10 February 1965 to 11 December 19651966: 9 February 1966 to 14 October 19661967: 7 January 1967 to 7 October 19671968: 2 April 1968 to 17 October 19681970: 18 February 1970 to 9 November 19701972: 7 February 1972 to 30 December 19721990: 28 April 1990 to 4 November 19901991: 12 March 1991 to 18 November 19911992: 24 February 1992 to 20 November 19921993: 21 March 1993 to 25 December 19931994: 26 January 1994 to 28 November 19941995: 17 January 1995 to 25 November 19951996: 18 January 1996 to 7 December 19961997: 4 February 1997 to 13 October 19971998: 27 March 1998 to 10 November 19981999: 23 February 1999 to 4 September 19992000: 24 February 2000 to 2 November 200019421947195219571962196719911996JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Salem 5 SW meeting 10 mm (0.39 in).
First to last qualifying date each year at Salem 5 SW
YearFirst dateLast date
19421942-03-141942-09-26
19431943-02-021943-10-31
19441944-01-271944-11-25
19451945-02-031945-12-29
19461946-02-051946-11-08
19471947-01-281947-12-04
19481948-02-271948-11-19
19491949-01-031949-12-10
19501950-04-101950-11-08
19511951-02-281951-12-06
19521952-01-141952-11-17
19531953-03-141953-12-05
19541954-02-201954-11-30
19551955-02-041955-12-03
19561956-03-101956-10-30
19571957-03-181957-11-01
19581958-02-271958-11-18
19591959-02-101959-12-27
19601960-01-011960-12-05
19611961-01-011961-11-02
19621962-02-171962-10-07
19631963-03-111963-11-22
19641964-03-031964-12-25
19651965-02-101965-12-11
19661966-02-091966-10-14
19671967-01-071967-10-07
19681968-04-021968-10-17
19701970-02-181970-11-09
19721972-02-071972-12-30
19901990-04-281990-11-04
19911991-03-121991-11-18
19921992-02-241992-11-20
19931993-03-211993-12-25
19941994-01-261994-11-28
19951995-01-171995-11-25
19961996-01-181996-12-07
19971997-02-041997-10-13
19981998-03-271998-11-10
19991999-02-231999-09-04
20002000-02-242000-11-02

Every Fixed Threshold

Fixed thresholds at Salem 5 SW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4031197016
25 mm (0.98 in): Days with 25 mm or more rain401219442
50 mm (1.97 in): Days with 50 mm or more rain23319462
100 mm (3.94 in): Days with 100 mm or more rain2119501
10 cm (3.9 in): Days with 10 cm or more snowfall25619611
25 cm (9.8 in): Days with 25 cm or more snowfall4119561

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.

Download the Data

  • Data for Salem 5 SW 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).