Built 2026-10-19 (19 October 2026)

Fort Laramie Threshold Days by Year (USC00483485)

18 fixed thresholds counted per year at Fort Laramie (USC00483485): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Fort Laramie Thresholds

  • Fort Laramie: nights with a minimum temperature at or below 0 C (32 F) in 29 years, most in 1898 with 197.
  • Fort Laramie: nights with a minimum temperature at or below -10 C (14 F) in 29 years, most in 1895 with 95.
  • Fort Laramie: nights with a minimum temperature at or below -20 C (-4 F) in 29 years, most in 1916 with 33.
  • Fort Laramie: days with a maximum temperature at or above 30 C (86 F) in 25 years, most in 1900 with 85.
  • 18 fixed thresholds have at least one qualifying day at Fort Laramie.
25 years with a qualifying day
Days at or above 30 C (86 F) per year at Fort Laramie Days per year at Fort Laramie with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 85 in 1900. 02550751001895: 611896: 811897: 751898: 831899: 731900: 851901: 731902: 601903: 551904: 601905: 581907: 551908: 441909: 761910: 771911: 761914: 791915: 191916: 551918: 541919: 841922: 771924: 571925: 561926: 50189518981901190419081911191619221926
Days per year at Fort Laramie with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 85 in 1900.
Days at or above 30 C (86 F) per year at Fort Laramie
YearDaysDecade average
18956174.6
18968174.6
18977574.6
18988374.6
18997374.6
19008562.9
19017362.9
19026062.9
19035562.9
19046062.9
19055862.9
19075562.9
19084462.9
19097662.9
19107763.4
19117663.4
19147963.4
19151963.4
19165563.4
19185463.4
19198463.4
19227760
19245760
19255660
19265060
First to last qualifying date each year at Fort Laramie For each year, a bar from the first to the last day at Fort Laramie meeting 30 C (86 F). 1895: 9 May 1895 to 13 October 18951896: 6 May 1896 to 3 October 18961897: 17 May 1897 to 29 September 18971898: 16 April 1898 to 28 September 18981899: 12 May 1899 to 8 October 18991900: 11 May 1900 to 18 October 19001901: 26 April 1901 to 29 September 19011902: 31 May 1902 to 9 October 19021903: 18 June 1903 to 11 October 19031904: 17 June 1904 to 4 October 19041905: 4 June 1905 to 7 October 19051907: 21 May 1907 to 24 September 19071908: 20 May 1908 to 13 October 19081909: 5 June 1909 to 30 October 19091910: 21 April 1910 to 11 October 19101911: 9 May 1911 to 25 September 19111914: 30 May 1914 to 27 September 19141915: 13 May 1915 to 23 September 19151916: 6 May 1916 to 8 September 19161918: 9 June 1918 to 24 September 19181919: 28 May 1919 to 27 September 19191922: 23 May 1922 to 27 October 19221924: 12 June 1924 to 26 September 19241925: 20 May 1925 to 17 September 19251926: 4 May 1926 to 21 September 19261895189919031908191419191926JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Fort Laramie meeting 30 C (86 F).
First to last qualifying date each year at Fort Laramie
YearFirst dateLast date
18951895-05-091895-10-13
18961896-05-061896-10-03
18971897-05-171897-09-29
18981898-04-161898-09-28
18991899-05-121899-10-08
19001900-05-111900-10-18
19011901-04-261901-09-29
19021902-05-311902-10-09
19031903-06-181903-10-11
19041904-06-171904-10-04
19051905-06-041905-10-07
19071907-05-211907-09-24
19081908-05-201908-10-13
19091909-06-051909-10-30
19101910-04-211910-10-11
19111911-05-091911-09-25
19141914-05-301914-09-27
19151915-05-131915-09-23
19161916-05-061916-09-08
19181918-06-091918-09-24
19191919-05-281919-09-27
19221922-05-231922-10-27
19241924-06-121924-09-26
19251925-05-201925-09-17
19261926-05-041926-09-21

Every Fixed Threshold

Fixed thresholds at Fort Laramie
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2585190050
35 C (95 F): Days2536191010
40 C (104 F): Days4219102
90 F (32.2 C): Days2572189625
100 F (37.8 C): Days231019103
0 C (32 F): Ice days (max2541192421
0 C (32 F): Frost days (min291971898174
-10 C (14 F): Days with min2995189541
-20 C (-4 F): Days with min293319167
-30 C (-22 F): Days with min19718991
-40 C (-40 F): Days with min3418992
20 C (68 F): Tropical nights (min11419031
25 C (77 F): Days with min2119001
10 mm (0.39 in): Days with 10 mm or more rain202219055
25 mm (0.98 in): Days with 25 mm or more rain18819156
50 mm (1.97 in): Days with 50 mm or more rain5219152
10 cm (3.9 in): Days with 10 cm or more snowfall6619152
25 cm (9.8 in): Days with 25 cm or more snowfall1118981

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1895.

Download the Data

  • Data for Fort Laramie 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).