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

Pyramid Threshold Days by Year (USC00056797)

12 fixed thresholds counted per year at Pyramid (USC00056797): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Pyramid Thresholds

  • Pyramid: days with 10 mm (0.39 in) or more of precipitation in 57 years, most in 1997 with 29.
  • Pyramid: days with 10 cm (3.9 in) or more of snowfall in 56 years, most in 1974 with 32.
  • Pyramid: days with 25 cm (9.8 in) or more of snowfall in 44 years, most in 1957 with 6.
  • Pyramid: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1997 with 5.
  • 12 fixed thresholds have at least one qualifying day at Pyramid.
5 years with a qualifying day
Nights at or below 0 C (32 F) per year at Pyramid Days per year at Pyramid with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 247 in 1920. 01002003001911: 2071920: 2471921: 2421922: 2331926: 23019111920192119221926
Days per year at Pyramid with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 247 in 1920.
Nights at or below 0 C (32 F) per year at Pyramid
YearDaysDecade average
1911207207
1920247238
1921242238
1922233238
1926230238
First to last qualifying date each year at Pyramid For each year, a bar from the first to the last day at Pyramid meeting 0 C (32 F). 1911: 1 January 1911 to 31 December 19111920: 1 January 1920 to 31 December 19201921: 1 January 1921 to 31 December 19211922: 1 January 1922 to 31 December 19221926: 2 January 1926 to 31 December 192619111920192119221926JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Pyramid meeting 0 C (32 F).
First to last qualifying date each year at Pyramid
YearFirst dateLast date
19111911-01-011911-12-31
19201920-01-011920-12-31
19211921-01-011921-12-31
19221922-01-011922-12-31
19261926-01-021926-12-31

Every Fixed Threshold

Fixed thresholds at Pyramid
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1319113
0 C (32 F): Ice days (max581192248
0 C (32 F): Frost days (min52471920230
-10 C (14 F): Days with min5118192294
-20 C (-4 F): Days with min524192220
-30 C (-22 F): Days with min1419224
10 mm (0.39 in): Days with 10 mm or more rain5729199717
25 mm (0.98 in): Days with 25 mm or more rain36519973
50 mm (1.97 in): Days with 50 mm or more rain4219982
10 cm (3.9 in): Days with 10 cm or more snowfall5632197413
25 cm (9.8 in): Days with 25 cm or more snowfall44619575
50 cm (19.7 in): Days with 50 cm or more snowfall3119621

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1911.

Download the Data

  • Data for Pyramid 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).