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

Eagle Butte Threshold Days by Year (USC00392468)

19 fixed thresholds counted per year at Eagle Butte (USC00392468): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Eagle Butte Thresholds

  • Eagle Butte: days with 10 mm (0.39 in) or more of precipitation in 61 years, most in 1982 with 28.
  • Eagle Butte: days with 25 mm (0.98 in) or more of precipitation in 58 years, most in 2008 with 9.
  • Eagle Butte: days with 10 cm (3.9 in) or more of snowfall in 53 years, most in 1985 with 11.
  • Eagle Butte: days with 50 mm (1.97 in) or more of precipitation in 23 years, most in 1957 with 2.
  • 19 fixed thresholds have at least one qualifying day at Eagle Butte.
3 years with a qualifying day
Days at or above 30 C (86 F) per year at Eagle Butte Days per year at Eagle Butte with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 40 in 1917. 0102030401912: 291917: 401918: 37191219171918
Days per year at Eagle Butte with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 40 in 1917.
Days at or above 30 C (86 F) per year at Eagle Butte
YearDaysDecade average
19122935.3
19174035.3
19183735.3
First to last qualifying date each year at Eagle Butte For each year, a bar from the first to the last day at Eagle Butte meeting 30 C (86 F). 1912: 23 June 1912 to 4 October 19121917: 16 May 1917 to 9 September 19171918: 4 May 1918 to 22 September 1918191219171918JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Eagle Butte meeting 30 C (86 F).
First to last qualifying date each year at Eagle Butte
YearFirst dateLast date
19121912-06-231912-10-04
19171917-05-161917-09-09
19181918-05-041918-09-22

Every Fixed Threshold

Fixed thresholds at Eagle Butte
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days340191737
35 C (95 F): Days31719178
40 C (104 F): Days1319173
90 F (32.2 C): Days333191721
100 F (37.8 C): Days3719172
0 C (32 F): Ice days (max375191749
0 C (32 F): Frost days (min31841917164
-10 C (14 F): Days with min390191763
-20 C (-4 F): Days with min344191727
-30 C (-22 F): Days with min31019176
-40 C (-40 F): Days with min1119171
20 C (68 F): Tropical nights (min3619172
10 mm (0.39 in): Days with 10 mm or more rain6128198217
25 mm (0.98 in): Days with 25 mm or more rain58920087
50 mm (1.97 in): Days with 50 mm or more rain23219571
100 mm (3.94 in): Days with 100 mm or more rain1120101
10 cm (3.9 in): Days with 10 cm or more snowfall531119853
25 cm (9.8 in): Days with 25 cm or more snowfall17319701
50 cm (19.7 in): Days with 50 cm or more snowfall1119701

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1912.

Download the Data

  • Data for Eagle Butte 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).