Built 2026-10-19 (19 October 2026)

Effingham Threshold Days by Year (USC00382757)

15 fixed thresholds counted per year at Effingham (USC00382757): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Effingham Thresholds

  • Effingham: days with 10 mm (0.39 in) or more of precipitation in 117 years, most in 1908 with 65.
  • Effingham: days with 25 mm (0.98 in) or more of precipitation in 117 years, most in 1928 with 28.
  • Effingham: days with 50 mm (1.97 in) or more of precipitation in 111 years, most in 1928 with 10.
  • Effingham: days with 100 mm (3.94 in) or more of precipitation in 22 years, most in 1928 with 3.
  • 15 fixed thresholds have at least one qualifying day at Effingham.
3 years with a qualifying day
Days at or above 30 C (86 F) per year at Effingham Days per year at Effingham with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 123 in 2011. 0501001502008: 972009: 1102011: 123200820092011
Days per year at Effingham with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 123 in 2011.
Days at or above 30 C (86 F) per year at Effingham
YearDaysDecade average
200897103.5
2009110103.5
2011123123
First to last qualifying date each year at Effingham For each year, a bar from the first to the last day at Effingham meeting 30 C (86 F). 2008: 11 May 2008 to 16 October 20082009: 25 April 2009 to 1 November 20092011: 9 April 2011 to 18 October 2011200820092011JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Effingham meeting 30 C (86 F).
First to last qualifying date each year at Effingham
YearFirst dateLast date
20082008-05-112008-10-16
20092009-04-252009-11-01
20112011-04-092011-10-18

Every Fixed Threshold

Fixed thresholds at Effingham
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days31232011123
35 C (95 F): Days328201128
90 F (32.2 C): Days383201183
100 F (37.8 C): Days1420114
0 C (32 F): Ice days (max2220112
0 C (32 F): Frost days (min251201151
-10 C (14 F): Days with min1120091
20 C (68 F): Tropical nights (min284201184
25 C (77 F): Days with min1220112
10 mm (0.39 in): Days with 10 mm or more rain11765190829
25 mm (0.98 in): Days with 25 mm or more rain11728192811
50 mm (1.97 in): Days with 50 mm or more rain1111019283
100 mm (3.94 in): Days with 100 mm or more rain22319281
200 mm (7.87 in): Days with 200 mm or more rain1119161
10 cm (3.9 in): Days with 10 cm or more snowfall4219731

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2008.

Download the Data

  • Data for Effingham 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).