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

Ft Riley Marshall AAF Threshold Days by Year (USW00013947)

17 fixed thresholds counted per year at Ft Riley Marshall AAF (USW00013947): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ft Riley Marshall AAF Thresholds

  • Ft Riley Marshall AAF: days with a maximum temperature at or above 30 C (86 F) in 16 years, most in 1963 with 96.
  • Ft Riley Marshall AAF: days with a maximum temperature at or above 35 C (95 F) in 16 years, most in 1963 with 42.
  • Ft Riley Marshall AAF: days with a maximum temperature at or above 90 F (32.2 C) in 16 years, most in 1963 with 71.
  • Ft Riley Marshall AAF: days with a maximum temperature at or above 100 F (37.8 C) in 16 years, most in 1966 with 18.
  • 17 fixed thresholds have at least one qualifying day at Ft Riley Marshall AAF.
16 years with a qualifying day
Days at or above 30 C (86 F) per year at Ft Riley Marshall AAF Days per year at Ft Riley Marshall AAF with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 96 in 1963. 02550751001949: 741957: 621958: 701959: 861960: 741961: 631962: 811963: 961964: 741965: 661966: 791967: 501968: 681969: 551970: 882025: 8419491958196019621964196619681970
Days per year at Ft Riley Marshall AAF with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 96 in 1963.
Days at or above 30 C (86 F) per year at Ft Riley Marshall AAF
YearDaysDecade average
19497474
19576272.7
19587072.7
19598672.7
19607470.6
19616370.6
19628170.6
19639670.6
19647470.6
19656670.6
19667970.6
19675070.6
19686870.6
19695570.6
19708888
20258484
First to last qualifying date each year at Ft Riley Marshall AAF For each year, a bar from the first to the last day at Ft Riley Marshall AAF meeting 30 C (86 F). 1949: 3 May 1949 to 8 October 19491957: 5 June 1957 to 3 September 19571958: 20 May 1958 to 19 October 19581959: 30 April 1959 to 22 September 19591960: 22 April 1960 to 11 October 19601961: 19 April 1961 to 10 September 19611962: 5 May 1962 to 14 October 19621963: 28 March 1963 to 14 October 19631964: 16 April 1964 to 19 September 19641965: 20 April 1965 to 10 October 19651966: 31 March 1966 to 13 October 19661967: 29 March 1967 to 4 October 19671968: 1 May 1968 to 30 October 19681969: 28 May 1969 to 4 October 19691970: 27 April 1970 to 20 September 19702025: 13 April 2025 to 12 October 202519491958196019621964196619681970JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ft Riley Marshall AAF meeting 30 C (86 F).
First to last qualifying date each year at Ft Riley Marshall AAF
YearFirst dateLast date
19491949-05-031949-10-08
19571957-06-051957-09-03
19581958-05-201958-10-19
19591959-04-301959-09-22
19601960-04-221960-10-11
19611961-04-191961-09-10
19621962-05-051962-10-14
19631963-03-281963-10-14
19641964-04-161964-09-19
19651965-04-201965-10-10
19661966-03-311966-10-13
19671967-03-291967-10-04
19681968-05-011968-10-30
19691969-05-281969-10-04
19701970-04-271970-09-20
20252025-04-132025-10-12

Every Fixed Threshold

Fixed thresholds at Ft Riley Marshall AAF
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1696196384
35 C (95 F): Days1642196317
40 C (104 F): Days61019665
90 F (32.2 C): Days1671196353
100 F (37.8 C): Days161819661
110 F (43.3 C): Days1219662
0 C (32 F): Ice days (max1648196017
0 C (32 F): Frost days (min16136196183
-10 C (14 F): Days with min1642196319
-20 C (-4 F): Days with min121019634
20 C (68 F): Tropical nights (min1667196359
25 C (77 F): Days with min1414202514
10 mm (0.39 in): Days with 10 mm or more rain1533196429
25 mm (0.98 in): Days with 25 mm or more rain1514195810
50 mm (1.97 in): Days with 50 mm or more rain13419581
100 mm (3.94 in): Days with 100 mm or more rain2119631
10 cm (3.9 in): Days with 10 cm or more snowfall9419601

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 Ft Riley Marshall AAF 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).