Daily records
Page built 2026-10-19
Data as of 2025-12-31
Search
Built 2026-10-19 (19 October 2026)

Mammoth Rs Threshold Days by Year (USC00425352)

10 fixed thresholds counted per year at Mammoth Rs (USC00425352): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mammoth Rs Thresholds

  • Mammoth Rs: days with a maximum temperature at or above 30 C (86 F) in 1 years, most in 1896 with 43.
  • Mammoth Rs: days with a maximum temperature at or above 35 C (95 F) in 1 years, most in 1896 with 4.
  • Mammoth Rs: days with a maximum temperature at or above 90 F (32.2 C) in 1 years, most in 1896 with 18.
  • Mammoth Rs: days with a maximum temperature at or below 0 C (32 F) in 1 years, most in 1896 with 13.
  • 10 fixed thresholds have at least one qualifying day at Mammoth Rs.
1 years with a qualifying day
Days at or above 30 C (86 F) per year at Mammoth Rs Days per year at Mammoth Rs with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 43 in 1896. 02040601896: 431896
Days per year at Mammoth Rs with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 43 in 1896.
Days at or above 30 C (86 F) per year at Mammoth Rs
YearDaysDecade average
18964343
First to last qualifying date each year at Mammoth Rs For each year, a bar from the first to the last day at Mammoth Rs meeting 30 C (86 F). 1896: 28 May 1896 to 3 September 18961896JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mammoth Rs meeting 30 C (86 F).
First to last qualifying date each year at Mammoth Rs
YearFirst dateLast date
18961896-05-281896-09-03

Every Fixed Threshold

Fixed thresholds at Mammoth Rs
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days143189643
35 C (95 F): Days1418964
90 F (32.2 C): Days118189618
0 C (32 F): Ice days (max113189613
0 C (32 F): Frost days (min11341896134
-10 C (14 F): Days with min115189615
-20 C (-4 F): Days with min1118961
20 C (68 F): Tropical nights (min1118961
10 mm (0.39 in): Days with 10 mm or more rain1618966
25 mm (0.98 in): Days with 25 mm or more rain1118961

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1896.

Download the Data

  • Data for Mammoth Rs 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).