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

Florence Threshold Days by Year (USC00352972)

5 fixed thresholds counted per year at Florence (USC00352972): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Florence Thresholds

  • Florence: days with 10 mm (0.39 in) or more of precipitation in 12 years, most in 1914 with 73.
  • Florence: days with 25 mm (0.98 in) or more of precipitation in 12 years, most in 1914 with 21.
  • Florence: days with 50 mm (1.97 in) or more of precipitation in 12 years, most in 1916 with 4.
  • Florence: days with a maximum temperature at or above 30 C (86 F) in 2 years, most in 1920 with 1.
  • 5 fixed thresholds have at least one qualifying day at Florence.
12 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Florence Days per year at Florence with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 73 in 1914. 0204060801910: 551911: 511912: 671913: 521914: 731915: 691916: 621917: 471918: 551919: 671920: 611921: 71191019121914191619181920
Days per year at Florence with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 73 in 1914.
Days with 10 mm (0.39 in) or more of precipitation per year at Florence
YearDaysDecade average
19105559.8
19115159.8
19126759.8
19135259.8
19147359.8
19156959.8
19166259.8
19174759.8
19185559.8
19196759.8
19206166
19217166
First to last qualifying date each year at Florence For each year, a bar from the first to the last day at Florence meeting 10 mm (0.39 in). 1910: 15 January 1910 to 29 December 19101911: 9 January 1911 to 31 December 19111912: 4 January 1912 to 31 December 19121913: 7 January 1913 to 31 December 19131914: 2 January 1914 to 26 December 19141915: 1 January 1915 to 28 December 19151916: 1 January 1916 to 20 December 19161917: 1 January 1917 to 30 December 19171918: 3 January 1918 to 12 December 19181919: 12 January 1919 to 24 December 19191920: 17 January 1920 to 30 December 19201921: 1 January 1921 to 27 December 1921191019121914191619181920JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Florence meeting 10 mm (0.39 in).
First to last qualifying date each year at Florence
YearFirst dateLast date
19101910-01-151910-12-29
19111911-01-091911-12-31
19121912-01-041912-12-31
19131913-01-071913-12-31
19141914-01-021914-12-26
19151915-01-011915-12-28
19161916-01-011916-12-20
19171917-01-011917-12-30
19181918-01-031918-12-12
19191919-01-121919-12-24
19201920-01-171920-12-30
19211921-01-011921-12-27

Every Fixed Threshold

Fixed thresholds at Florence
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2119201
0 C (32 F): Frost days (min227192127
10 mm (0.39 in): Days with 10 mm or more rain1273191471
25 mm (0.98 in): Days with 25 mm or more rain1221191416
50 mm (1.97 in): Days with 50 mm or more rain12419161

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1920.

Download the Data

  • Data for Florence 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).