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

St Johnsville Threshold Days by Year (USC00307382)

11 fixed thresholds counted per year at St Johnsville (USC00307382): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for St Johnsville Thresholds

  • St Johnsville: days with 10 mm (0.39 in) or more of precipitation in 8 years, most in 1898 with 41.
  • St Johnsville: days with 25 mm (0.98 in) or more of precipitation in 8 years, most in 1898 with 8.
  • St Johnsville: days with a maximum temperature at or above 30 C (86 F) in 4 years, most in 1900 with 32.
  • St Johnsville: days with a maximum temperature at or above 90 F (32.2 C) in 4 years, most in 1900 with 18.
  • 11 fixed thresholds have at least one qualifying day at St Johnsville.
4 years with a qualifying day
Days at or above 30 C (86 F) per year at St Johnsville Days per year at St Johnsville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 32 in 1900. 0102030401897: 91898: 291899: 291900: 321897189818991900
Days per year at St Johnsville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 32 in 1900.
Days at or above 30 C (86 F) per year at St Johnsville
YearDaysDecade average
1897922.3
18982922.3
18992922.3
19003232
First to last qualifying date each year at St Johnsville For each year, a bar from the first to the last day at St Johnsville meeting 30 C (86 F). 1897: 24 June 1897 to 11 July 18971898: 7 June 1898 to 4 September 18981899: 30 April 1899 to 3 September 18991900: 14 May 1900 to 6 October 19001897189818991900JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at St Johnsville meeting 30 C (86 F).
First to last qualifying date each year at St Johnsville
YearFirst dateLast date
18971897-06-241897-07-11
18981898-06-071898-09-04
18991899-04-301899-09-03
19001900-05-141900-10-06

Every Fixed Threshold

Fixed thresholds at St Johnsville
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days432190032
35 C (95 F): Days3318993
90 F (32.2 C): Days418190018
0 C (32 F): Ice days (max462189752
0 C (32 F): Frost days (min41611900161
-10 C (14 F): Days with min460190060
-20 C (-4 F): Days with min41118998
20 C (68 F): Tropical nights (min41218986
10 mm (0.39 in): Days with 10 mm or more rain841189830
25 mm (0.98 in): Days with 25 mm or more rain8818987
50 mm (1.97 in): Days with 50 mm or more rain4218981

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1897.

Download the Data

  • Data for St Johnsville 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).