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

Tacoma Threshold Days by Year (USC00058154)

13 fixed thresholds counted per year at Tacoma (USC00058154): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tacoma Thresholds

  • Tacoma: days with 10 mm (0.39 in) or more of precipitation in 52 years, most in 1969 with 28.
  • Tacoma: days with 10 cm (3.9 in) or more of snowfall in 46 years, most in 1983 with 26.
  • Tacoma: days with 25 mm (0.98 in) or more of precipitation in 45 years, most in 1927 with 7.
  • Tacoma: days with 25 cm (9.8 in) or more of snowfall in 37 years, most in 1979 with 11.
  • 13 fixed thresholds have at least one qualifying day at Tacoma.
3 years with a qualifying day
Nights at or below 0 C (32 F) per year at Tacoma Days per year at Tacoma with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 221 in 1908. 01002003001908: 2211909: 1831910: 159190819091910
Days per year at Tacoma with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 221 in 1908.
Nights at or below 0 C (32 F) per year at Tacoma
YearDaysDecade average
1908221202
1909183202
1910159159
First to last qualifying date each year at Tacoma For each year, a bar from the first to the last day at Tacoma meeting 0 C (32 F). 1908: 1 January 1908 to 31 December 19081909: 1 January 1909 to 31 December 19091910: 1 January 1910 to 30 November 1910190819091910JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tacoma meeting 0 C (32 F).
First to last qualifying date each year at Tacoma
YearFirst dateLast date
19081908-01-011908-12-31
19091909-01-011909-12-31
19101910-01-011910-11-30

Every Fixed Threshold

Fixed thresholds at Tacoma
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days21619095
90 F (32.2 C): Days2219091
0 C (32 F): Ice days (max342190915
0 C (32 F): Frost days (min32211908159
-10 C (14 F): Days with min380190844
-20 C (-4 F): Days with min31319096
-30 C (-22 F): Days with min1119101
10 mm (0.39 in): Days with 10 mm or more rain5228196926
25 mm (0.98 in): Days with 25 mm or more rain45719273
50 mm (1.97 in): Days with 50 mm or more rain9119141
10 cm (3.9 in): Days with 10 cm or more snowfall462619833
25 cm (9.8 in): Days with 25 cm or more snowfall371119792
50 cm (19.7 in): Days with 50 cm or more snowfall10119271

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1909.

Download the Data

  • Data for Tacoma 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).