Daily records
Page built 2026-10-19
Data as of 2026-10-12
Search
Built 2026-10-19 (19 October 2026)

Poway Valley Threshold Days by Year (USC00047111)

10 fixed thresholds counted per year at Poway Valley (USC00047111): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Poway Valley Thresholds

  • Poway Valley: days with 10 mm (0.39 in) or more of precipitation in 67 years, most in 1978 with 31.
  • Poway Valley: days with 25 mm (0.98 in) or more of precipitation in 60 years, most in 1993 with 9.
  • Poway Valley: days with 50 mm (1.97 in) or more of precipitation in 23 years, most in 1965 with 2.
  • Poway Valley: days with a maximum temperature at or above 30 C (86 F) in 8 years, most in 2014 with 119.
  • 10 fixed thresholds have at least one qualifying day at Poway Valley.
8 years with a qualifying day
Days at or above 30 C (86 F) per year at Poway Valley Days per year at Poway Valley with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 119 in 2014. 0501001501905: 351907: 841908: 782011: 502012: 762013: 772014: 1192015: 9319051907190820112012201320142015
Days per year at Poway Valley with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 119 in 2014.
Days at or above 30 C (86 F) per year at Poway Valley
YearDaysDecade average
19053565.7
19078465.7
19087865.7
20115083
20127683
20137783
201411983
20159383
First to last qualifying date each year at Poway Valley For each year, a bar from the first to the last day at Poway Valley meeting 30 C (86 F). 1905: 15 May 1905 to 11 October 19051907: 17 March 1907 to 14 October 19071908: 19 April 1908 to 9 October 19082011: 17 January 2011 to 14 October 20112012: 4 March 2012 to 5 November 20122013: 1 March 2013 to 14 November 20132014: 15 January 2014 to 27 November 20142015: 6 January 2015 to 22 November 201519051907190820112012201320142015JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Poway Valley meeting 30 C (86 F).
First to last qualifying date each year at Poway Valley
YearFirst dateLast date
19051905-05-151905-10-11
19071907-03-171907-10-14
19081908-04-191908-10-09
20112011-01-172011-10-14
20122012-03-042012-11-05
20132013-03-012013-11-14
20142014-01-152014-11-27
20152015-01-062015-11-22

Every Fixed Threshold

Fixed thresholds at Poway Valley
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days8119201493
35 C (95 F): Days825201418
40 C (104 F): Days3419072
90 F (32.2 C): Days868201450
100 F (37.8 C): Days8820148
0 C (32 F): Frost days (min85119088
20 C (68 F): Tropical nights (min628201528
10 mm (0.39 in): Days with 10 mm or more rain673119788
25 mm (0.98 in): Days with 25 mm or more rain60919931
50 mm (1.97 in): Days with 50 mm or more rain23219651

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1905.

Download the Data

  • Data for Poway Valley 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 (2026-10-12).