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Built 2026-10-19 (19 October 2026)

Danforth (1) Threshold Days by Year (USC00171835)

4 fixed thresholds counted per year at Danforth (1) (USC00171835): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Danforth (1) Thresholds

  • Danforth (1): days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 1903 with 43.
  • Danforth (1): days with 25 mm (0.98 in) or more of precipitation in 29 years, most in 1909 with 13.
  • Danforth (1): days with 50 mm (1.97 in) or more of precipitation in 15 years, most in 1920 with 4.
  • Danforth (1): days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1922 with 1.
  • 4 fixed thresholds have at least one qualifying day at Danforth (1).
29 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Danforth (1) Days per year at Danforth (1) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1903. 02040601903: 431904: 351905: 291906: 421907: 411908: 331909: 421910: 231911: 211912: 381913: 401914: 361915: 311918: 401919: 351920: 311921: 271922: 341923: 301924: 271925: 381927: 361928: 411929: 251930: 261931: 391932: 381933: 351934: 351903190619091912191519201923192719301933
Days per year at Danforth (1) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1903.
Days with 10 mm (0.39 in) or more of precipitation per year at Danforth (1)
YearDaysDecade average
19034337.9
19043537.9
19052937.9
19064237.9
19074137.9
19083337.9
19094237.9
19102333
19112133
19123833
19134033
19143633
19153133
19184033
19193533
19203132.1
19212732.1
19223432.1
19233032.1
19242732.1
19253832.1
19273632.1
19284132.1
19292532.1
19302634.6
19313934.6
19323834.6
19333534.6
19343534.6
First to last qualifying date each year at Danforth (1) For each year, a bar from the first to the last day at Danforth (1) meeting 10 mm (0.39 in). 1903: 3 January 1903 to 30 December 19031904: 10 January 1904 to 28 December 19041905: 4 January 1905 to 29 December 19051906: 4 January 1906 to 25 December 19061907: 1 January 1907 to 24 December 19071908: 13 January 1908 to 12 December 19081909: 5 January 1909 to 27 December 19091910: 7 January 1910 to 30 November 19101911: 9 January 1911 to 23 December 19111912: 9 January 1912 to 31 December 19121913: 3 January 1913 to 26 December 19131914: 10 January 1914 to 30 December 19141915: 7 January 1915 to 26 December 19151918: 4 January 1918 to 25 December 19181919: 24 January 1919 to 9 December 19191920: 6 March 1920 to 23 December 19201921: 15 January 1921 to 18 December 19211922: 5 January 1922 to 29 December 19221923: 1 January 1923 to 6 December 19231924: 3 January 1924 to 13 December 19241925: 4 January 1925 to 26 December 19251927: 2 January 1927 to 31 December 19271928: 10 February 1928 to 28 December 19281929: 6 January 1929 to 19 December 19291930: 9 January 1930 to 23 December 19301931: 6 January 1931 to 25 December 19311932: 13 January 1932 to 12 December 19321933: 23 January 1933 to 25 December 19331934: 2 January 1934 to 26 December 193419031907191119151921192519301934JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Danforth (1) meeting 10 mm (0.39 in).
First to last qualifying date each year at Danforth (1)
YearFirst dateLast date
19031903-01-031903-12-30
19041904-01-101904-12-28
19051905-01-041905-12-29
19061906-01-041906-12-25
19071907-01-011907-12-24
19081908-01-131908-12-12
19091909-01-051909-12-27
19101910-01-071910-11-30
19111911-01-091911-12-23
19121912-01-091912-12-31
19131913-01-031913-12-26
19141914-01-101914-12-30
19151915-01-071915-12-26
19181918-01-041918-12-25
19191919-01-241919-12-09
19201920-03-061920-12-23
19211921-01-151921-12-18
19221922-01-051922-12-29
19231923-01-011923-12-06
19241924-01-031924-12-13
19251925-01-041925-12-26
19271927-01-021927-12-31
19281928-02-101928-12-28
19291929-01-061929-12-19
19301930-01-091930-12-23
19311931-01-061931-12-25
19321932-01-131932-12-12
19331933-01-231933-12-25
19341934-01-021934-12-26

Every Fixed Threshold

Fixed thresholds at Danforth (1)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2943190335
25 mm (0.98 in): Days with 25 mm or more rain291319096
50 mm (1.97 in): Days with 50 mm or more rain15419202
100 mm (3.94 in): Days with 100 mm or more rain1119221

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1903.

Download the Data

  • Data for Danforth (1) 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).