Built 2026-10-19 (19 October 2026)

Box Butte Exp STN Threshold Days by Year (USC00251045)

17 fixed thresholds counted per year at Box Butte Exp STN (USC00251045): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Box Butte Exp STN Thresholds

  • Box Butte Exp STN: days with a maximum temperature at or above 30 C (86 F) in 46 years, most in 1931 with 90.
  • Box Butte Exp STN: days with a maximum temperature at or above 35 C (95 F) in 46 years, most in 1931 with 43.
  • Box Butte Exp STN: days with a maximum temperature at or above 90 F (32.2 C) in 46 years, most in 1939 with 68.
  • Box Butte Exp STN: days with a maximum temperature at or below 0 C (32 F) in 46 years, most in 1978 with 77.
  • 17 fixed thresholds have at least one qualifying day at Box Butte Exp STN.
46 years with a qualifying day
Days at or above 30 C (86 F) per year at Box Butte Exp STN Days per year at Box Butte Exp STN with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 90 in 1931. 02550751001931: 901934: 871936: 741937: 731938: 601939: 881940: 781942: 481943: 641944: 441945: 491946: 571947: 611948: 591949: 571950: 421951: 351952: 711953: 601954: 681955: 641956: 571957: 481958: 461959: 651960: 621961: 561962: 391963: 691964: 591965: 251966: 601967: 411968: 421969: 561970: 721971: 461972: 411973: 461974: 471975: 311976: 591977: 441978: 601979: 481980: 601931193919451950195519601965197019751980
Days per year at Box Butte Exp STN with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 90 in 1931.
Days at or above 30 C (86 F) per year at Box Butte Exp STN
YearDaysDecade average
19319078.7
19348778.7
19367478.7
19377378.7
19386078.7
19398878.7
19407857.4
19424857.4
19436457.4
19444457.4
19454957.4
19465757.4
19476157.4
19485957.4
19495757.4
19504255.6
19513555.6
19527155.6
19536055.6
19546855.6
19556455.6
19565755.6
19574855.6
19584655.6
19596555.6
19606250.9
19615650.9
19623950.9
19636950.9
19645950.9
19652550.9
19666050.9
19674150.9
19684250.9
19695650.9
19707249.4
19714649.4
19724149.4
19734649.4
19744749.4
19753149.4
19765949.4
19774449.4
19786049.4
19794849.4
19806060
First to last qualifying date each year at Box Butte Exp STN For each year, a bar from the first to the last day at Box Butte Exp STN meeting 30 C (86 F). 1931: 15 May 1931 to 30 September 19311934: 30 April 1934 to 7 October 19341936: 4 May 1936 to 21 September 19361937: 14 May 1937 to 21 September 19371938: 28 May 1938 to 2 October 19381939: 23 April 1939 to 24 September 19391940: 3 May 1940 to 17 September 19401942: 26 May 1942 to 10 October 19421943: 28 May 1943 to 18 September 19431944: 15 May 1944 to 17 September 19441945: 22 June 1945 to 22 September 19451946: 5 June 1946 to 26 September 19461947: 9 June 1947 to 20 October 19471948: 17 April 1948 to 19 September 19481949: 25 April 1949 to 26 September 19491950: 23 May 1950 to 5 September 19501951: 29 May 1951 to 26 September 19511952: 28 April 1952 to 28 September 19521953: 3 June 1953 to 10 October 19531954: 21 May 1954 to 9 October 19541955: 14 May 1955 to 18 September 19551956: 26 May 1956 to 13 October 19561957: 6 June 1957 to 30 September 19571958: 22 May 1958 to 19 October 19581959: 2 May 1959 to 12 September 19591960: 14 May 1960 to 20 September 19601961: 11 May 1961 to 19 September 19611962: 21 April 1962 to 16 September 19621963: 7 May 1963 to 6 October 19631964: 17 May 1964 to 10 September 19641965: 2 July 1965 to 26 August 19651966: 6 May 1966 to 25 September 19661967: 23 May 1967 to 5 October 19671968: 3 June 1968 to 15 September 19681969: 26 May 1969 to 29 September 19691970: 18 May 1970 to 5 October 19701971: 17 June 1971 to 14 September 19711972: 17 May 1972 to 20 September 19721973: 19 May 1973 to 30 August 19731974: 20 May 1974 to 27 September 19741975: 21 June 1975 to 7 October 19751976: 19 May 1976 to 1 October 19761977: 2 June 1977 to 29 September 19771978: 15 May 1978 to 27 September 19781979: 17 May 1979 to 1 October 19791980: 21 April 1980 to 1 October 198019311940194719531959196519711977JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Box Butte Exp STN meeting 30 C (86 F).
First to last qualifying date each year at Box Butte Exp STN
YearFirst dateLast date
19311931-05-151931-09-30
19341934-04-301934-10-07
19361936-05-041936-09-21
19371937-05-141937-09-21
19381938-05-281938-10-02
19391939-04-231939-09-24
19401940-05-031940-09-17
19421942-05-261942-10-10
19431943-05-281943-09-18
19441944-05-151944-09-17
19451945-06-221945-09-22
19461946-06-051946-09-26
19471947-06-091947-10-20
19481948-04-171948-09-19
19491949-04-251949-09-26
19501950-05-231950-09-05
19511951-05-291951-09-26
19521952-04-281952-09-28
19531953-06-031953-10-10
19541954-05-211954-10-09
19551955-05-141955-09-18
19561956-05-261956-10-13
19571957-06-061957-09-30
19581958-05-221958-10-19
19591959-05-021959-09-12
19601960-05-141960-09-20
19611961-05-111961-09-19
19621962-04-211962-09-16
19631963-05-071963-10-06
19641964-05-171964-09-10
19651965-07-021965-08-26
19661966-05-061966-09-25
19671967-05-231967-10-05
19681968-06-031968-09-15
19691969-05-261969-09-29
19701970-05-181970-10-05
19711971-06-171971-09-14
19721972-05-171972-09-20
19731973-05-191973-08-30
19741974-05-201974-09-27
19751975-06-211975-10-07
19761976-05-191976-10-01
19771977-06-021977-09-29
19781978-05-151978-09-27
19791979-05-171979-10-01
19801980-04-211980-10-01

Every Fixed Threshold

Fixed thresholds at Box Butte Exp STN
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4690193160
35 C (95 F): Days4643193121
40 C (104 F): Days10719311
90 F (32.2 C): Days4668193946
100 F (37.8 C): Days412419363
110 F (43.3 C): Days2119311
0 C (32 F): Ice days (max4677197838
0 C (32 F): Frost days (min451951951173
-10 C (14 F): Days with min4591197850
-20 C (-4 F): Days with min4528193612
-30 C (-22 F): Days with min22619361
20 C (68 F): Tropical nights (min19319401
10 mm (0.39 in): Days with 10 mm or more rain432119447
25 mm (0.98 in): Days with 25 mm or more rain38619421
50 mm (1.97 in): Days with 50 mm or more rain8319421
10 cm (3.9 in): Days with 10 cm or more snowfall23519732
25 cm (9.8 in): Days with 25 cm or more snowfall4219571

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1931.

Download the Data

  • Data for Box Butte Exp STN 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).