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

Fallbrook Threshold Days by Year (USC00042958)

10 fixed thresholds counted per year at Fallbrook (USC00042958): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Fallbrook Thresholds

  • Fallbrook: days with 10 mm (0.39 in) or more of precipitation in 10 years, most in 1902 with 17.
  • Fallbrook: days with 25 mm (0.98 in) or more of precipitation in 10 years, most in 1903 with 9.
  • Fallbrook: days with 50 mm (1.97 in) or more of precipitation in 4 years, most in 1902 with 2.
  • Fallbrook: days with a maximum temperature at or above 30 C (86 F) in 3 years, most in 1903 with 76.
  • 10 fixed thresholds have at least one qualifying day at Fallbrook.
3 years with a qualifying day
Days at or above 30 C (86 F) per year at Fallbrook Days per year at Fallbrook with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 76 in 1903. 0204060801901: 741902: 471903: 76190119021903
Days per year at Fallbrook with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 76 in 1903.
Days at or above 30 C (86 F) per year at Fallbrook
YearDaysDecade average
19017465.7
19024765.7
19037665.7
First to last qualifying date each year at Fallbrook For each year, a bar from the first to the last day at Fallbrook meeting 30 C (86 F). 1901: 28 February 1901 to 22 October 19011902: 6 May 1902 to 30 September 19021903: 29 May 1903 to 27 November 1903190119021903JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Fallbrook meeting 30 C (86 F).
First to last qualifying date each year at Fallbrook
YearFirst dateLast date
19011901-02-281901-10-22
19021902-05-061902-09-30
19031903-05-291903-11-27

Every Fixed Threshold

Fixed thresholds at Fallbrook
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days376190376
35 C (95 F): Days313190313
40 C (104 F): Days1419014
90 F (32.2 C): Days344190143
100 F (37.8 C): Days3619022
0 C (32 F): Frost days (min314190213
10 mm (0.39 in): Days with 10 mm or more rain101719026
25 mm (0.98 in): Days with 25 mm or more rain10919032
50 mm (1.97 in): Days with 50 mm or more rain4219022
100 mm (3.94 in): Days with 100 mm or more rain10n/a1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1901.

Download the Data

  • Data for Fallbrook 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).