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

Dolores Threshold Days by Year (USC00052326)

12 fixed thresholds counted per year at Dolores (USC00052326): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Dolores Thresholds

  • Dolores: days with 10 mm (0.39 in) or more of precipitation in 63 years, most in 1957 with 32.
  • Dolores: days with 25 mm (0.98 in) or more of precipitation in 53 years, most in 1927 with 9.
  • Dolores: days with 10 cm (3.9 in) or more of snowfall in 45 years, most in 1948 with 14.
  • Dolores: days with a maximum temperature at or above 30 C (86 F) in 11 years, most in 1922 with 36.
  • 12 fixed thresholds have at least one qualifying day at Dolores.
11 years with a qualifying day
Days at or above 30 C (86 F) per year at Dolores Days per year at Dolores with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 36 in 1922. 0102030401917: 321918: 291919: 311920: 141921: 111922: 361923: 151924: 231925: 101926: 261927: 11191719191921192319251927
Days per year at Dolores with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 36 in 1922.
Days at or above 30 C (86 F) per year at Dolores
YearDaysDecade average
19173230.7
19182930.7
19193130.7
19201418.3
19211118.3
19223618.3
19231518.3
19242318.3
19251018.3
19262618.3
19271118.3
First to last qualifying date each year at Dolores For each year, a bar from the first to the last day at Dolores meeting 30 C (86 F). 1917: 24 June 1917 to 4 September 19171918: 9 June 1918 to 27 August 19181919: 20 June 1919 to 31 August 19191920: 22 June 1920 to 15 August 19201921: 10 June 1921 to 13 August 19211922: 9 June 1922 to 31 August 19221923: 29 June 1923 to 9 September 19231924: 13 June 1924 to 4 September 19241925: 12 July 1925 to 25 July 19251926: 28 June 1926 to 24 September 19261927: 24 June 1927 to 23 August 1927191719191921192319251927JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Dolores meeting 30 C (86 F).
First to last qualifying date each year at Dolores
YearFirst dateLast date
19171917-06-241917-09-04
19181918-06-091918-08-27
19191919-06-201919-08-31
19201920-06-221920-08-15
19211921-06-101921-08-13
19221922-06-091922-08-31
19231923-06-291923-09-09
19241924-06-131924-09-04
19251925-07-121925-07-25
19261926-06-281926-09-24
19271927-06-241927-08-23

Every Fixed Threshold

Fixed thresholds at Dolores
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1136192211
35 C (95 F): Days2219181
90 F (32.2 C): Days8819181
0 C (32 F): Ice days (max1120191713
0 C (32 F): Frost days (min112131917196
-10 C (14 F): Days with min1191191734
-20 C (-4 F): Days with min101319184
10 mm (0.39 in): Days with 10 mm or more rain633219577
25 mm (0.98 in): Days with 25 mm or more rain53919271
50 mm (1.97 in): Days with 50 mm or more rain4119271
10 cm (3.9 in): Days with 10 cm or more snowfall451419487
25 cm (9.8 in): Days with 25 cm or more snowfall9219511

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1917.

Download the Data

  • Data for Dolores 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).