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

Anderson Threshold Days by Year (USC00410244)

15 fixed thresholds counted per year at Anderson (USC00410244): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Anderson Thresholds

  • Anderson: days with 10 mm (0.39 in) or more of precipitation in 54 years, most in 1923 with 47.
  • Anderson: days with 25 mm (0.98 in) or more of precipitation in 54 years, most in 1919 with 24.
  • Anderson: days with 50 mm (1.97 in) or more of precipitation in 53 years, most in 1929 with 10.
  • Anderson: days with 100 mm (3.94 in) or more of precipitation in 27 years, most in 1935 with 2.
  • 15 fixed thresholds have at least one qualifying day at Anderson.
7 years with a qualifying day
Days at or above 30 C (86 F) per year at Anderson Days per year at Anderson with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 141 in 1969. 0501001501964: 1381965: 1381967: 1331968: 1261969: 1411970: 1171971: 1311964196519671968196919701971
Days per year at Anderson with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 141 in 1969.
Days at or above 30 C (86 F) per year at Anderson
YearDaysDecade average
1964138135.2
1965138135.2
1967133135.2
1968126135.2
1969141135.2
1970117124
1971131124
First to last qualifying date each year at Anderson For each year, a bar from the first to the last day at Anderson meeting 30 C (86 F). 1964: 4 April 1964 to 17 October 19641965: 9 April 1965 to 26 November 19651967: 11 March 1967 to 10 October 19671968: 27 April 1968 to 31 October 19681969: 20 May 1969 to 11 November 19691970: 27 April 1970 to 7 October 19701971: 12 March 1971 to 2 November 19711964196519671968196919701971JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Anderson meeting 30 C (86 F).
First to last qualifying date each year at Anderson
YearFirst dateLast date
19641964-04-041964-10-17
19651965-04-091965-11-26
19671967-03-111967-10-10
19681968-04-271968-10-31
19691969-05-201969-11-11
19701970-04-271970-10-07
19711971-03-121971-11-02

Every Fixed Threshold

Fixed thresholds at Anderson
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days71411969131
35 C (95 F): Days765196457
40 C (104 F): Days3519694
90 F (32.2 C): Days7110196994
100 F (37.8 C): Days63119698
0 C (32 F): Ice days (max1119681
0 C (32 F): Frost days (min833196818
-10 C (14 F): Days with min3119641
20 C (68 F): Tropical nights (min81291965108
25 C (77 F): Days with min4719691
10 mm (0.39 in): Days with 10 mm or more rain5447192321
25 mm (0.98 in): Days with 25 mm or more rain5424191910
50 mm (1.97 in): Days with 50 mm or more rain531019292
100 mm (3.94 in): Days with 100 mm or more rain27219351
10 cm (3.9 in): Days with 10 cm or more snowfall4119241

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.

Download the Data

  • Data for Anderson 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).