Built 2026-10-17 (17 October 2026)

Santee Threshold Days by Year

20 fixed thresholds counted per year at Santee (USC00257555): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Santee Thresholds

  • Santee: days with a maximum temperature at or above 30 C (86 F) in 38 years, most in 1931 with 105.
  • Santee: days with a maximum temperature at or above 90 F (32.2 C) in 38 years, most in 1934 with 78.
  • Santee: days with a maximum temperature at or below 0 C (32 F) in 38 years, most in 1899 with 66.
  • Santee: days with a maximum temperature at or above 35 C (95 F) in 37 years, most in 1936 with 58.
  • 20 fixed thresholds have at least one qualifying day at Santee.
38 years with a qualifying day
Days at or above 30 C (86 F) per year at Santee Days per year at Santee with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 105 in 1931. 0501001501893: 811894: 1001895: 741896: 631897: 861898: 701899: 771900: 821901: 621902: 461903: 411904: 431905: 541906: 571908: 741909: 661910: 761911: 951918: 721919: 671920: 521921: 861922: 841923: 621924: 251925: 781926: 701927: 621928: 661929: 731930: 611931: 1051932: 801933: 811934: 1021935: 731936: 991937: 851893189719011905191019201924192819321936
Days per year at Santee with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 105 in 1931.
Days at or above 30 C (86 F) per year at Santee
YearDaysDecade average
18938178.7
189410078.7
18957478.7
18966378.7
18978678.7
18987078.7
18997778.7
19008258.3
19016258.3
19024658.3
19034158.3
19044358.3
19055458.3
19065758.3
19087458.3
19096658.3
19107677.5
19119577.5
19187277.5
19196777.5
19205265.8
19218665.8
19228465.8
19236265.8
19242565.8
19257865.8
19267065.8
19276265.8
19286665.8
19297365.8
19306185.8
193110585.8
19328085.8
19338185.8
193410285.8
19357385.8
19369985.8
19378585.8
First to last qualifying date each year at Santee For each year, a bar from the first to the last day at Santee meeting 30 C (86 F). 1893: 10 May 1893 to 8 October 18931894: 28 April 1894 to 28 September 18941895: 23 April 1895 to 20 September 18951896: 26 April 1896 to 1 October 18961897: 4 May 1897 to 7 October 18971898: 15 April 1898 to 27 September 18981899: 12 April 1899 to 1 October 18991900: 10 May 1900 to 15 October 19001901: 26 April 1901 to 24 September 19011902: 20 April 1902 to 7 September 19021903: 18 May 1903 to 2 October 19031904: 10 May 1904 to 3 October 19041905: 1 June 1905 to 13 October 19051906: 24 April 1906 to 7 October 19061908: 12 April 1908 to 15 October 19081909: 4 May 1909 to 4 November 19091910: 21 March 1910 to 17 October 19101911: 8 May 1911 to 23 September 19111918: 3 May 1918 to 16 October 19181919: 29 May 1919 to 3 October 19191920: 25 May 1920 to 13 October 19201921: 2 April 1921 to 15 October 19211922: 5 May 1922 to 27 October 19221923: 19 April 1923 to 26 September 19231924: 14 April 1924 to 18 October 19241925: 12 April 1925 to 29 September 19251926: 20 April 1926 to 17 October 19261927: 26 April 1927 to 25 October 19271928: 23 March 1928 to 11 October 19281929: 4 April 1929 to 15 October 19291930: 4 April 1930 to 10 October 19301931: 8 April 1931 to 5 October 19311932: 12 May 1932 to 2 October 19321933: 16 May 1933 to 14 October 19331934: 29 April 1934 to 13 October 19341935: 9 June 1935 to 25 September 19351936: 13 April 1936 to 18 October 19361937: 24 May 1937 to 28 October 193718931898190319091920192519301935JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Santee meeting 30 C (86 F).
First to last qualifying date each year at Santee
YearFirst dateLast date
18931893-05-101893-10-08
18941894-04-281894-09-28
18951895-04-231895-09-20
18961896-04-261896-10-01
18971897-05-041897-10-07
18981898-04-151898-09-27
18991899-04-121899-10-01
19001900-05-101900-10-15
19011901-04-261901-09-24
19021902-04-201902-09-07
19031903-05-181903-10-02
19041904-05-101904-10-03
19051905-06-011905-10-13
19061906-04-241906-10-07
19081908-04-121908-10-15
19091909-05-041909-11-04
19101910-03-211910-10-17
19111911-05-081911-09-23
19181918-05-031918-10-16
19191919-05-291919-10-03
19201920-05-251920-10-13
19211921-04-021921-10-15
19221922-05-051922-10-27
19231923-04-191923-09-26
19241924-04-141924-10-18
19251925-04-121925-09-29
19261926-04-201926-10-17
19271927-04-261927-10-25
19281928-03-231928-10-11
19291929-04-041929-10-15
19301930-04-041930-10-10
19311931-04-081931-10-05
19321932-05-121932-10-02
19331933-05-161933-10-14
19341934-04-291934-10-13
19351935-06-091935-09-25
19361936-04-131936-10-18
19371937-05-241937-10-28

Every Fixed Threshold

Fixed thresholds at Santee
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days38105193185
35 C (95 F): Days3758193649
40 C (104 F): Days2126193613
45 C (113 F): Days3118941
90 F (32.2 C): Days3878193471
100 F (37.8 C): Days3544193625
110 F (43.3 C): Days6719364
0 C (32 F): Ice days (max3866189966
0 C (32 F): Frost days (min361691898162
-10 C (14 F): Days with min3681189374
-20 C (-4 F): Days with min3639193629
-30 C (-22 F): Days with min14819368
20 C (68 F): Tropical nights (min3652193132
25 C (77 F): Days with min252019365
10 mm (0.39 in): Days with 10 mm or more rain3329190517
25 mm (0.98 in): Days with 25 mm or more rain331118963
50 mm (1.97 in): Days with 50 mm or more rain22419052
100 mm (3.94 in): Days with 100 mm or more rain2119021
10 cm (3.9 in): Days with 10 cm or more snowfall11619241
25 cm (9.8 in): Days with 25 cm or more snowfall2119241

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

  • Data for Santee 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).