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Built 2026-10-19 (19 October 2026)

Alameda Cda Epf Threshold Days by Year (CA004010080)

16 fixed thresholds counted per year at Alameda Cda Epf (CA004010080): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Alameda Cda Epf Thresholds

  • Alameda Cda Epf: days with 10 cm (3.9 in) or more of snowfall in 10 years, most in 1956 with 7.
  • Alameda Cda Epf: days with 10 mm (0.39 in) or more of precipitation in 9 years, most in 1957 with 18.
  • Alameda Cda Epf: days with 25 mm (0.98 in) or more of precipitation in 9 years, most in 1954 with 5.
  • Alameda Cda Epf: nights with a minimum temperature at or below 0 C (32 F) in 4 years, most in 1894 with 229.
  • 16 fixed thresholds have at least one qualifying day at Alameda Cda Epf.
3 years with a qualifying day
Days at or above 30 C (86 F) per year at Alameda Cda Epf Days per year at Alameda Cda Epf with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 29 in 1894. 01020301894: 291895: 71898: 17189418951898
Days per year at Alameda Cda Epf with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 29 in 1894.
Days at or above 30 C (86 F) per year at Alameda Cda Epf
YearDaysDecade average
18942917.7
1895717.7
18981717.7
First to last qualifying date each year at Alameda Cda Epf For each year, a bar from the first to the last day at Alameda Cda Epf meeting 30 C (86 F). 1894: 8 June 1894 to 3 September 18941895: 3 July 1895 to 3 September 18951898: 23 May 1898 to 27 September 1898189418951898JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Alameda Cda Epf meeting 30 C (86 F).
First to last qualifying date each year at Alameda Cda Epf
YearFirst dateLast date
18941894-06-081894-09-03
18951895-07-031895-09-03
18981898-05-231898-09-27

Every Fixed Threshold

Fixed thresholds at Alameda Cda Epf
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days329189417
35 C (95 F): Days2518985
90 F (32.2 C): Days31618948
0 C (32 F): Ice days (max31211894108
0 C (32 F): Frost days (min42291894201
-10 C (14 F): Days with min41351895111
-20 C (-4 F): Days with min493189560
-30 C (-22 F): Days with min429189512
-40 C (-40 F): Days with min1118951
20 C (68 F): Tropical nights (min2218941
25 C (77 F): Days with min1118941
10 mm (0.39 in): Days with 10 mm or more rain91819577
25 mm (0.98 in): Days with 25 mm or more rain9519541
50 mm (1.97 in): Days with 50 mm or more rain2119521
10 cm (3.9 in): Days with 10 cm or more snowfall10719562
25 cm (9.8 in): Days with 25 cm or more snowfall4419551

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1894.

Download the Data

  • Data for Alameda Cda Epf 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 (2026-10-17).