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

Edison Threshold Days by Year

4 fixed thresholds counted per year at Edison (USC00093028): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Edison Thresholds

  • Edison: days with 10 mm (0.39 in) or more of precipitation in 3 years, most in 1949 with 32.
  • Edison: days with 25 mm (0.98 in) or more of precipitation in 3 years, most in 1949 with 15.
  • Edison: days with 50 mm (1.97 in) or more of precipitation in 2 years, most in 1950 with 2.
  • Edison: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1950 with 1.
  • 4 fixed thresholds have at least one qualifying day at Edison.
3 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Edison Days per year at Edison with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 32 in 1949. 0102030401941: 261949: 321950: 31194119491950
Days per year at Edison with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 32 in 1949.
Days with 10 mm (0.39 in) or more of precipitation per year at Edison
YearDaysDecade average
19412629
19493229
19503131
First to last qualifying date each year at Edison For each year, a bar from the first to the last day at Edison meeting 10 mm (0.39 in). 1941: 15 January 1941 to 31 October 19411949: 4 January 1949 to 15 December 19491950: 11 January 1950 to 29 December 1950194119491950JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Edison meeting 10 mm (0.39 in).
First to last qualifying date each year at Edison
YearFirst dateLast date
19411941-01-151941-10-31
19491949-01-041949-12-15
19501950-01-111950-12-29

Every Fixed Threshold

Fixed thresholds at Edison
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain332194931
25 mm (0.98 in): Days with 25 mm or more rain315194911
50 mm (1.97 in): Days with 50 mm or more rain2219502
100 mm (3.94 in): Days with 100 mm or more rain1119501

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1941.

Download the Data

  • Data for Edison 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).