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

Sylvania 2 SSE Threshold Days by Year

12 fixed thresholds counted per year at Sylvania 2 SSE (USC00098517): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sylvania 2 SSE Thresholds

  • Sylvania 2 SSE: days with 10 mm (0.39 in) or more of precipitation in 6 years, most in 1994 with 51.
  • Sylvania 2 SSE: days with 25 mm (0.98 in) or more of precipitation in 6 years, most in 1997 with 23.
  • Sylvania 2 SSE: days with 50 mm (1.97 in) or more of precipitation in 6 years, most in 1994 with 5.
  • Sylvania 2 SSE: days with a maximum temperature at or above 30 C (86 F) in 4 years, most in 1993 with 133.
  • 12 fixed thresholds have at least one qualifying day at Sylvania 2 SSE.
4 years with a qualifying day
Days at or above 30 C (86 F) per year at Sylvania 2 SSE Days per year at Sylvania 2 SSE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 133 in 1993. 0501001501993: 1331994: 951995: 1131997: 971993199419951997
Days per year at Sylvania 2 SSE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 133 in 1993.
Days at or above 30 C (86 F) per year at Sylvania 2 SSE
YearDaysDecade average
1993133109.5
199495109.5
1995113109.5
199797109.5
First to last qualifying date each year at Sylvania 2 SSE For each year, a bar from the first to the last day at Sylvania 2 SSE meeting 30 C (86 F). 1993: 6 May 1993 to 21 October 19931994: 28 March 1994 to 10 October 19941995: 19 April 1995 to 8 October 19951997: 19 May 1997 to 10 October 19971993199419951997JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sylvania 2 SSE meeting 30 C (86 F).
First to last qualifying date each year at Sylvania 2 SSE
YearFirst dateLast date
19931993-05-061993-10-21
19941994-03-281994-10-10
19951995-04-191995-10-08
19971997-05-191997-10-10

Every Fixed Threshold

Fixed thresholds at Sylvania 2 SSE
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4133199397
35 C (95 F): Days33919934
90 F (32.2 C): Days493199354
100 F (37.8 C): Days1219932
0 C (32 F): Ice days (max1119941
0 C (32 F): Frost days (min363199563
-10 C (14 F): Days with min1219952
20 C (68 F): Tropical nights (min381199381
10 mm (0.39 in): Days with 10 mm or more rain651199423
25 mm (0.98 in): Days with 25 mm or more rain623199715
50 mm (1.97 in): Days with 50 mm or more rain6519944
100 mm (3.94 in): Days with 100 mm or more rain3119501

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1993.

Download the Data

  • Data for Sylvania 2 SSE 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).