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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Danville Threshold Days by Year (CA007021954)

13 fixed thresholds counted per year at Danville (CA007021954): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Danville Thresholds

  • Danville: days with 10 cm (3.9 in) or more of snowfall in 14 years, most in 1882 with 12.
  • Danville: days with a maximum temperature at or above 30 C (86 F) in 7 years, most in 1884 with 15.
  • Danville: days with a maximum temperature at or below 0 C (32 F) in 7 years, most in 1883 with 100.
  • Danville: nights with a minimum temperature at or below 0 C (32 F) in 7 years, most in 1882 with 190.
  • 13 fixed thresholds have at least one qualifying day at Danville.
7 years with a qualifying day
Days at or above 30 C (86 F) per year at Danville Days per year at Danville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 15 in 1884. 0510151881: 121882: 91883: 71884: 151885: 71886: 111887: 121881188218831884188518861887
Days per year at Danville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 15 in 1884.
Days at or above 30 C (86 F) per year at Danville
YearDaysDecade average
18811210.4
1882910.4
1883710.4
18841510.4
1885710.4
18861110.4
18871210.4
First to last qualifying date each year at Danville For each year, a bar from the first to the last day at Danville meeting 30 C (86 F). 1881: 24 May 1881 to 7 September 18811882: 14 June 1882 to 6 August 18821883: 25 June 1883 to 22 August 18831884: 8 June 1884 to 7 September 18841885: 13 June 1885 to 25 July 18851886: 21 June 1886 to 10 September 18861887: 10 May 1887 to 5 August 18871881188218831884188518861887JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Danville meeting 30 C (86 F).
First to last qualifying date each year at Danville
YearFirst dateLast date
18811881-05-241881-09-07
18821882-06-141882-08-06
18831883-06-251883-08-22
18841884-06-081884-09-07
18851885-06-131885-07-25
18861886-06-211886-09-10
18871887-05-101887-08-05

Every Fixed Threshold

Fixed thresholds at Danville
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days715188412
90 F (32.2 C): Days5318843
0 C (32 F): Ice days (max7100188374
0 C (32 F): Frost days (min71901882166
-10 C (14 F): Days with min7113188391
-20 C (-4 F): Days with min758188334
-30 C (-22 F): Days with min7918866
20 C (68 F): Tropical nights (min5518845
10 mm (0.39 in): Days with 10 mm or more rain745188234
25 mm (0.98 in): Days with 25 mm or more rain71118726
50 mm (1.97 in): Days with 50 mm or more rain4118771
10 cm (3.9 in): Days with 10 cm or more snowfall141218828
25 cm (9.8 in): Days with 25 cm or more snowfall7418773

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1881.

Download the Data

  • Data for Danville 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 (2026-10-17).