Built 2026-10-19 (19 October 2026)

Sumter Shaw AFB Threshold Days by Year (USW00013849)

15 fixed thresholds counted per year at Sumter Shaw AFB (USW00013849): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sumter Shaw AFB Thresholds

  • Sumter Shaw AFB: days with a maximum temperature at or above 30 C (86 F) in 23 years, most in 1970 with 132.
  • Sumter Shaw AFB: days with a maximum temperature at or above 90 F (32.2 C) in 23 years, most in 1954 with 101.
  • Sumter Shaw AFB: nights with a minimum temperature at or below 0 C (32 F) in 23 years, most in 1968 with 64.
  • Sumter Shaw AFB: nights with a minimum temperature at or above 20 C (68 F) in 23 years, most in 1959 with 113.
  • 15 fixed thresholds have at least one qualifying day at Sumter Shaw AFB.
23 years with a qualifying day
Days at or above 30 C (86 F) per year at Sumter Shaw AFB Days per year at Sumter Shaw AFB with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 132 in 1970. 0501001501949: 961950: 911951: 1101952: 1171953: 1131954: 1291955: 991956: 1091957: 1111958: 1031959: 1111960: 1201961: 981962: 891963: 961964: 821965: 941966: 721967: 791968: 971969: 841970: 1322025: 9519491952195519581961196419671970
Days per year at Sumter Shaw AFB with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 132 in 1970.
Days at or above 30 C (86 F) per year at Sumter Shaw AFB
YearDaysDecade average
19499696
195091109.3
1951110109.3
1952117109.3
1953113109.3
1954129109.3
195599109.3
1956109109.3
1957111109.3
1958103109.3
1959111109.3
196012091.1
19619891.1
19628991.1
19639691.1
19648291.1
19659491.1
19667291.1
19677991.1
19689791.1
19698491.1
1970132132
20259595
First to last qualifying date each year at Sumter Shaw AFB For each year, a bar from the first to the last day at Sumter Shaw AFB meeting 30 C (86 F). 1949: 27 March 1949 to 13 October 19491950: 23 April 1950 to 22 September 19501951: 30 April 1951 to 7 October 19511952: 19 April 1952 to 2 October 19521953: 23 April 1953 to 12 October 19531954: 7 April 1954 to 13 October 19541955: 12 March 1955 to 7 October 19551956: 27 April 1956 to 5 October 19561957: 2 April 1957 to 23 September 19571958: 19 April 1958 to 16 November 19581959: 6 April 1959 to 9 October 19591960: 17 April 1960 to 12 October 19601961: 8 May 1961 to 2 November 19611962: 23 April 1962 to 8 October 19621963: 18 March 1963 to 12 October 19631964: 19 April 1964 to 30 September 19641965: 6 April 1965 to 21 September 19651966: 1 April 1966 to 5 October 19661967: 15 March 1967 to 6 October 19671968: 19 April 1968 to 3 October 19681969: 4 April 1969 to 14 October 19691970: 18 April 1970 to 3 October 19702025: 3 April 2025 to 26 September 202519491952195519581961196419671970JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sumter Shaw AFB meeting 30 C (86 F).
First to last qualifying date each year at Sumter Shaw AFB
YearFirst dateLast date
19491949-03-271949-10-13
19501950-04-231950-09-22
19511951-04-301951-10-07
19521952-04-191952-10-02
19531953-04-231953-10-12
19541954-04-071954-10-13
19551955-03-121955-10-07
19561956-04-271956-10-05
19571957-04-021957-09-23
19581958-04-191958-11-16
19591959-04-061959-10-09
19601960-04-171960-10-12
19611961-05-081961-11-02
19621962-04-231962-10-08
19631963-03-181963-10-12
19641964-04-191964-09-30
19651965-04-061965-09-21
19661966-04-011966-10-05
19671967-03-151967-10-06
19681968-04-191968-10-03
19691969-04-041969-10-14
19701970-04-181970-10-03
20252025-04-032025-09-26

Every Fixed Threshold

Fixed thresholds at Sumter Shaw AFB
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days23132197095
35 C (95 F): Days2148195413
40 C (104 F): Days2319703
90 F (32.2 C): Days23101195458
100 F (37.8 C): Days141019701
0 C (32 F): Ice days (max11419621
0 C (32 F): Frost days (min2364196830
-10 C (14 F): Days with min5319703
20 C (68 F): Tropical nights (min231131959101
25 C (77 F): Days with min1715202515
10 mm (0.39 in): Days with 10 mm or more rain2250195930
25 mm (0.98 in): Days with 25 mm or more rain222319589
50 mm (1.97 in): Days with 50 mm or more rain20519533
100 mm (3.94 in): Days with 100 mm or more rain4119541
10 cm (3.9 in): Days with 10 cm or more snowfall1119581

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Sumter Shaw AFB 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).