Built 2026-10-19 (19 October 2026)

Hays Threshold Days by Year (USC00244020)

15 fixed thresholds counted per year at Hays (USC00244020): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hays Thresholds

  • Hays: days with a maximum temperature at or above 30 C (86 F) in 19 years, most in 1961 with 44.
  • Hays: days with a maximum temperature at or above 90 F (32.2 C) in 19 years, most in 1925 with 22.
  • Hays: days with a maximum temperature at or below 0 C (32 F) in 19 years, most in 1955 with 76.
  • Hays: days with 10 mm (0.39 in) or more of precipitation in 18 years, most in 1927 with 19.
  • 15 fixed thresholds have at least one qualifying day at Hays.
19 years with a qualifying day
Days at or above 30 C (86 F) per year at Hays Days per year at Hays with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 44 in 1961. 02040601925: 391927: 211928: 201947: 291949: 291950: 121952: 201953: 231954: 221955: 281956: 301957: 221958: 351959: 281960: 331961: 441962: 61963: 291964: 181925192819491952195419561958196019621964
Days per year at Hays with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 44 in 1961.
Days at or above 30 C (86 F) per year at Hays
YearDaysDecade average
19253926.7
19272126.7
19282026.7
19472929
19492929
19501224.4
19522024.4
19532324.4
19542224.4
19552824.4
19563024.4
19572224.4
19583524.4
19592824.4
19603326
19614426
1962626
19632926
19641826
First to last qualifying date each year at Hays For each year, a bar from the first to the last day at Hays meeting 30 C (86 F). 1925: 28 May 1925 to 5 September 19251927: 20 June 1927 to 10 September 19271928: 5 May 1928 to 18 September 19281947: 2 July 1947 to 4 September 19471949: 10 May 1949 to 9 September 19491950: 6 July 1950 to 4 September 19501952: 5 June 1952 to 26 September 19521953: 12 June 1953 to 12 September 19531954: 22 June 1954 to 30 August 19541955: 15 July 1955 to 14 September 19551956: 4 June 1956 to 8 September 19561957: 9 July 1957 to 1 October 19571958: 20 May 1958 to 12 September 19581959: 3 June 1959 to 13 September 19591960: 12 May 1960 to 4 September 19601961: 29 May 1961 to 16 September 19611962: 26 June 1962 to 17 August 19621963: 18 June 1963 to 30 September 19631964: 20 May 1964 to 19 August 19641925194719521955195819611964JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hays meeting 30 C (86 F).
First to last qualifying date each year at Hays
YearFirst dateLast date
19251925-05-281925-09-05
19271927-06-201927-09-10
19281928-05-051928-09-18
19471947-07-021947-09-04
19491949-05-101949-09-09
19501950-07-061950-09-04
19521952-06-051952-09-26
19531953-06-121953-09-12
19541954-06-221954-08-30
19551955-07-151955-09-14
19561956-06-041956-09-08
19571957-07-091957-10-01
19581958-05-201958-09-12
19591959-06-031959-09-13
19601960-05-121960-09-04
19611961-05-291961-09-16
19621962-06-261962-08-17
19631963-06-181963-09-30
19641964-05-201964-08-19

Every Fixed Threshold

Fixed thresholds at Hays
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1944196118
35 C (95 F): Days16719254
90 F (32.2 C): Days192219258
100 F (37.8 C): Days5219251
0 C (32 F): Ice days (max1976195539
0 C (32 F): Frost days (min171981925149
-10 C (14 F): Days with min1799195540
-20 C (-4 F): Days with min174519498
-30 C (-22 F): Days with min141619507
20 C (68 F): Tropical nights (min10519602
10 mm (0.39 in): Days with 10 mm or more rain1819192715
25 mm (0.98 in): Days with 25 mm or more rain12519534
50 mm (1.97 in): Days with 50 mm or more rain3219251
10 cm (3.9 in): Days with 10 cm or more snowfall10519504
25 cm (9.8 in): Days with 25 cm or more snowfall1119641

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1925.

Download the Data

  • Data for Hays 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).