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

Mt Hope Threshold Days by Year (USC00145539)

17 fixed thresholds counted per year at Mt Hope (USC00145539): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mt Hope Thresholds

  • Mt Hope: days with 10 mm (0.39 in) or more of precipitation in 125 years, most in 1957 with 40.
  • Mt Hope: days with 25 mm (0.98 in) or more of precipitation in 124 years, most in 2016 with 17.
  • Mt Hope: days with 50 mm (1.97 in) or more of precipitation in 106 years, most in 1945 with 7.
  • Mt Hope: days with 10 cm (3.9 in) or more of snowfall in 55 years, most in 1924 with 7.
  • 17 fixed thresholds have at least one qualifying day at Mt Hope.
5 years with a qualifying day
Days at or above 30 C (86 F) per year at Mt Hope Days per year at Mt Hope with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 90 in 1909. 02550751001905: 681907: 811908: 601909: 901912: 8119051907190819091912
Days per year at Mt Hope with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 90 in 1909.
Days at or above 30 C (86 F) per year at Mt Hope
YearDaysDecade average
19056874.8
19078174.8
19086074.8
19099074.8
19128181
First to last qualifying date each year at Mt Hope For each year, a bar from the first to the last day at Mt Hope meeting 30 C (86 F). 1905: 9 April 1905 to 22 September 19051907: 19 March 1907 to 2 October 19071908: 19 May 1908 to 11 September 19081909: 4 April 1909 to 7 October 19091912: 22 May 1912 to 4 October 191219051907190819091912JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mt Hope meeting 30 C (86 F).
First to last qualifying date each year at Mt Hope
YearFirst dateLast date
19051905-04-091905-09-22
19071907-03-191907-10-02
19081908-05-191908-09-11
19091909-04-041909-10-07
19121912-05-221912-10-04

Every Fixed Threshold

Fixed thresholds at Mt Hope
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days590190981
35 C (95 F): Days528191228
90 F (32.2 C): Days558191258
100 F (37.8 C): Days2519125
0 C (32 F): Ice days (max522190520
0 C (32 F): Frost days (min51151912115
-10 C (14 F): Days with min522190522
-20 C (-4 F): Days with min3819056
20 C (68 F): Tropical nights (min588190966
25 C (77 F): Days with min315190912
10 mm (0.39 in): Days with 10 mm or more rain12540195716
25 mm (0.98 in): Days with 25 mm or more rain1241720169
50 mm (1.97 in): Days with 50 mm or more rain106719455
100 mm (3.94 in): Days with 100 mm or more rain16219851
200 mm (7.87 in): Days with 200 mm or more rain10n/a1
10 cm (3.9 in): Days with 10 cm or more snowfall55719243
25 cm (9.8 in): Days with 25 cm or more snowfall7119421

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1905.

Download the Data

  • Data for Mt Hope 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 (2026-10-12).