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

Stockton 9N Threshold Days by Year (USC00147836)

4 fixed thresholds counted per year at Stockton 9N (USC00147836): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Stockton 9N Thresholds

  • Stockton 9N: days with 10 mm (0.39 in) or more of precipitation in 2 years, most in 1957 with 23.
  • Stockton 9N: days with 25 mm (0.98 in) or more of precipitation in 2 years, most in 1958 with 8.
  • Stockton 9N: days with 10 cm (3.9 in) or more of snowfall in 1 years, most in 1958 with 4.
  • Stockton 9N: days with 25 cm (9.8 in) or more of snowfall in 1 years, most in 1958 with 1.
  • 4 fixed thresholds have at least one qualifying day at Stockton 9N.
2 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Stockton 9N Days per year at Stockton 9N with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 23 in 1957. 01020301957: 231958: 2219571958
Days per year at Stockton 9N with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 23 in 1957.
Days with 10 mm (0.39 in) or more of precipitation per year at Stockton 9N
YearDaysDecade average
19572322.5
19582222.5
First to last qualifying date each year at Stockton 9N For each year, a bar from the first to the last day at Stockton 9N meeting 10 mm (0.39 in). 1957: 22 February 1957 to 23 October 19571958: 5 March 1958 to 7 October 195819571958JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Stockton 9N meeting 10 mm (0.39 in).
First to last qualifying date each year at Stockton 9N
YearFirst dateLast date
19571957-02-221957-10-23
19581958-03-051958-10-07

Every Fixed Threshold

Fixed thresholds at Stockton 9N
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain223195722
25 mm (0.98 in): Days with 25 mm or more rain2819588
10 cm (3.9 in): Days with 10 cm or more snowfall1419584
25 cm (9.8 in): Days with 25 cm or more snowfall1119581

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1957.

Download the Data

  • Data for Stockton 9N 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).