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

Salem 5 NNE Threshold Days by Year (USC00387589)

15 fixed thresholds counted per year at Salem 5 NNE (USC00387589): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Salem 5 NNE Thresholds

  • Salem 5 NNE: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1971 with 68.
  • Salem 5 NNE: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 1975 with 32.
  • Salem 5 NNE: days with 50 mm (1.97 in) or more of precipitation in 44 years, most in 1964 with 11.
  • Salem 5 NNE: days with 100 mm (3.94 in) or more of precipitation in 14 years, most in 1977 with 3.
  • 15 fixed thresholds have at least one qualifying day at Salem 5 NNE.
9 years with a qualifying day
Days at or above 30 C (86 F) per year at Salem 5 NNE Days per year at Salem 5 NNE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 104 in 1986. 0501001501985: 811986: 1041987: 941988: 871989: 721990: 891991: 671994: 372001: 31198519861987198819891990199119942001
Days per year at Salem 5 NNE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 104 in 1986.
Days at or above 30 C (86 F) per year at Salem 5 NNE
YearDaysDecade average
19858187.6
198610487.6
19879487.6
19888787.6
19897287.6
19908964.3
19916764.3
19943764.3
20013131
First to last qualifying date each year at Salem 5 NNE For each year, a bar from the first to the last day at Salem 5 NNE meeting 30 C (86 F). 1985: 31 March 1985 to 15 October 19851986: 8 April 1986 to 5 October 19861987: 22 April 1987 to 18 September 19871988: 5 April 1988 to 25 September 19881989: 25 April 1989 to 14 October 19891990: 26 April 1990 to 21 September 19901991: 16 May 1991 to 18 September 19911994: 20 April 1994 to 19 September 19942001: 9 April 2001 to 29 August 200119851987198919912001JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Salem 5 NNE meeting 30 C (86 F).
First to last qualifying date each year at Salem 5 NNE
YearFirst dateLast date
19851985-03-311985-10-15
19861986-04-081986-10-05
19871987-04-221987-09-18
19881988-04-051988-09-25
19891989-04-251989-10-14
19901990-04-261990-09-21
19911991-05-161991-09-18
19941994-04-201994-09-19
20012001-04-092001-08-29

Every Fixed Threshold

Fixed thresholds at Salem 5 NNE
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days9104198631
35 C (95 F): Days625198612
40 C (104 F): Days1219862
90 F (32.2 C): Days97419865
100 F (37.8 C): Days1619866
0 C (32 F): Ice days (max6419854
0 C (32 F): Frost days (min7131198843
-10 C (14 F): Days with min61519884
20 C (68 F): Tropical nights (min736199130
10 mm (0.39 in): Days with 10 mm or more rain4468197149
25 mm (0.98 in): Days with 25 mm or more rain4432197526
50 mm (1.97 in): Days with 50 mm or more rain441119644
100 mm (3.94 in): Days with 100 mm or more rain14319771
10 cm (3.9 in): Days with 10 cm or more snowfall9219822
25 cm (9.8 in): Days with 25 cm or more snowfall1119621

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1985.

Download the Data

  • Data for Salem 5 NNE 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).