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

Point Arena Threshold Days by Year (USC00047009)

8 fixed thresholds counted per year at Point Arena (USC00047009): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Point Arena Thresholds

  • Point Arena: days with 10 mm (0.39 in) or more of precipitation in 34 years, most in 1983 with 69.
  • Point Arena: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 1983 with 30.
  • Point Arena: days with 50 mm (1.97 in) or more of precipitation in 31 years, most in 1941 with 9.
  • Point Arena: nights with a minimum temperature at or below 0 C (32 F) in 28 years, most in 1976 with 55.
  • 8 fixed thresholds have at least one qualifying day at Point Arena.
11 years with a qualifying day
Days at or above 30 C (86 F) per year at Point Arena Days per year at Point Arena with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 1947. 02461947: 51958: 21964: 21965: 21966: 11967: 11968: 11971: 11976: 31979: 31982: 1194719641966196819761982
Days per year at Point Arena with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 1947.
Days at or above 30 C (86 F) per year at Point Arena
YearDaysDecade average
194755
195822
196421.4
196521.4
196611.4
196711.4
196811.4
197112.3
197632.3
197932.3
198211
First to last qualifying date each year at Point Arena For each year, a bar from the first to the last day at Point Arena meeting 30 C (86 F). 1947: 29 July 1947 to 19 August 19471958: 27 September 1958 to 28 September 19581964: 23 September 1964 to 24 September 19641965: 22 October 1965 to 23 October 19651966: 29 September 1966 to 29 September 19661967: 20 September 1967 to 20 September 19671968: 29 August 1968 to 29 August 19681971: 14 September 1971 to 14 September 19711976: 9 September 1976 to 13 October 19761979: 12 September 1979 to 14 September 19791982: 11 October 1982 to 11 October 1982194719641966196819761982JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Point Arena meeting 30 C (86 F).
First to last qualifying date each year at Point Arena
YearFirst dateLast date
19471947-07-291947-08-19
19581958-09-271958-09-28
19641964-09-231964-09-24
19651965-10-221965-10-23
19661966-09-291966-09-29
19671967-09-201967-09-20
19681968-08-291968-08-29
19711971-09-141971-09-14
19761976-09-091976-10-13
19791979-09-121979-09-14
19821982-10-111982-10-11

Every Fixed Threshold

Fixed thresholds at Point Arena
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days11519471
35 C (95 F): Days1119471
90 F (32.2 C): Days6219471
0 C (32 F): Frost days (min2855197628
10 mm (0.39 in): Days with 10 mm or more rain3469198333
25 mm (0.98 in): Days with 25 mm or more rain3430198316
50 mm (1.97 in): Days with 50 mm or more rain31919414
100 mm (3.94 in): Days with 100 mm or more rain6119411

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1947.

Download the Data

  • Data for Point Arena 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).