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

Black Rvr Falls Sewage Threshold Days by Year (USC00470855)

18 fixed thresholds counted per year at Black Rvr Falls Sewage (USC00470855): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Black Rvr Falls Sewage Thresholds

  • Black Rvr Falls Sewage: days with 10 mm (0.39 in) or more of precipitation in 42 years, most in 2019 with 42.
  • Black Rvr Falls Sewage: days with 25 mm (0.98 in) or more of precipitation in 42 years, most in 2016 with 17.
  • Black Rvr Falls Sewage: days with 50 mm (1.97 in) or more of precipitation in 36 years, most in 2005 with 4.
  • Black Rvr Falls Sewage: days with 10 cm (3.9 in) or more of snowfall in 25 years, most in 2019 with 10.
  • 18 fixed thresholds have at least one qualifying day at Black Rvr Falls Sewage.
4 years with a qualifying day
Days at or above 30 C (86 F) per year at Black Rvr Falls Sewage Days per year at Black Rvr Falls Sewage with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 71 in 1894. 0204060801893: 411894: 711934: 431939: 501893189419341939
Days per year at Black Rvr Falls Sewage with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 71 in 1894.
Days at or above 30 C (86 F) per year at Black Rvr Falls Sewage
YearDaysDecade average
18934156
18947156
19344346.5
19395046.5
First to last qualifying date each year at Black Rvr Falls Sewage For each year, a bar from the first to the last day at Black Rvr Falls Sewage meeting 30 C (86 F). 1893: 12 June 1893 to 10 October 18931894: 26 April 1894 to 28 September 18941934: 7 May 1934 to 18 August 19341939: 24 April 1939 to 15 September 19391893189419341939JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Black Rvr Falls Sewage meeting 30 C (86 F).
First to last qualifying date each year at Black Rvr Falls Sewage
YearFirst dateLast date
18931893-06-121893-10-10
18941894-04-261894-09-28
19341934-05-071934-08-18
19391939-04-241939-09-15

Every Fixed Threshold

Fixed thresholds at Black Rvr Falls Sewage
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days471189450
35 C (95 F): Days42018947
40 C (104 F): Days1119341
90 F (32.2 C): Days452189420
100 F (37.8 C): Days2618945
0 C (32 F): Ice days (max483189356
0 C (32 F): Frost days (min51881893178
-10 C (14 F): Days with min5106189363
-20 C (-4 F): Days with min547189316
-30 C (-22 F): Days with min35189315
20 C (68 F): Tropical nights (min5419342
25 C (77 F): Days with min1118941
10 mm (0.39 in): Days with 10 mm or more rain4242201929
25 mm (0.98 in): Days with 25 mm or more rain4217201610
50 mm (1.97 in): Days with 50 mm or more rain36420051
100 mm (3.94 in): Days with 100 mm or more rain7119941
10 cm (3.9 in): Days with 10 cm or more snowfall251020193
25 cm (9.8 in): Days with 25 cm or more snowfall6220051

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

  • Data for Black Rvr Falls Sewage 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).