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

Silver Bell Threshold Days by Year (USC00027915)

15 fixed thresholds counted per year at Silver Bell (USC00027915): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Silver Bell Thresholds

  • Silver Bell: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 1908 with 15.
  • Silver Bell: days with 25 mm (0.98 in) or more of precipitation in 25 years, most in 1920 with 6.
  • Silver Bell: days with a maximum temperature at or above 30 C (86 F) in 7 years, most in 1911 with 171.
  • Silver Bell: days with a maximum temperature at or above 35 C (95 F) in 7 years, most in 1911 with 100.
  • 15 fixed thresholds have at least one qualifying day at Silver Bell.
7 years with a qualifying day
Days at or above 30 C (86 F) per year at Silver Bell Days per year at Silver Bell with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 171 in 1911. 0501001502001907: 1401908: 1371909: 1271911: 1711914: 1561918: 1581920: 1501907190819091911191419181920
Days per year at Silver Bell with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 171 in 1911.
Days at or above 30 C (86 F) per year at Silver Bell
YearDaysDecade average
1907140134.7
1908137134.7
1909127134.7
1911171161.7
1914156161.7
1918158161.7
1920150150
First to last qualifying date each year at Silver Bell For each year, a bar from the first to the last day at Silver Bell meeting 30 C (86 F). 1907: 18 March 1907 to 8 October 19071908: 15 March 1908 to 5 November 19081909: 2 April 1909 to 2 November 19091911: 29 March 1911 to 20 October 19111914: 17 March 1914 to 5 November 19141918: 8 April 1918 to 3 November 19181920: 9 April 1920 to 11 October 19201907190819091911191419181920JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Silver Bell meeting 30 C (86 F).
First to last qualifying date each year at Silver Bell
YearFirst dateLast date
19071907-03-181907-10-08
19081908-03-151908-11-05
19091909-04-021909-11-02
19111911-03-291911-10-20
19141914-03-171914-11-05
19181918-04-081918-11-03
19201920-04-091920-10-11

Every Fixed Threshold

Fixed thresholds at Silver Bell
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days71711911150
35 C (95 F): Days7100191181
40 C (104 F): Days619192019
45 C (113 F): Days1119111
90 F (32.2 C): Days71421911138
100 F (37.8 C): Days750191147
110 F (43.3 C): Days3219071
0 C (32 F): Frost days (min611191111
20 C (68 F): Tropical nights (min71341914125
25 C (77 F): Days with min744192044
10 mm (0.39 in): Days with 10 mm or more rain291519089
25 mm (0.98 in): Days with 25 mm or more rain25619203
50 mm (1.97 in): Days with 50 mm or more rain6119091
100 mm (3.94 in): Days with 100 mm or more rain10n/a1
10 cm (3.9 in): Days with 10 cm or more snowfall3119081

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1907.

Download the Data

  • Data for Silver Bell 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).