Built 2026-10-19 (19 October 2026)

St Michael Threshold Days by Year (USC00508114)

7 fixed thresholds counted per year at St Michael (USC00508114): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for St Michael Thresholds

  • St Michael: days with a maximum temperature at or below 0 C (32 F) in 8 years, most in 1924 with 178.
  • St Michael: nights with a minimum temperature at or below 0 C (32 F) in 8 years, most in 1924 with 239.
  • St Michael: nights with a minimum temperature at or below -10 C (14 F) in 8 years, most in 1924 with 135.
  • St Michael: nights with a minimum temperature at or below -20 C (-4 F) in 8 years, most in 1925 with 67.
  • 7 fixed thresholds have at least one qualifying day at St Michael.
8 years with a qualifying day
Nights at or below 0 C (32 F) per year at St Michael Days per year at St Michael with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 239 in 1924. 01002003001900: 2321923: 2241924: 2391925: 2181926: 2261928: 2281929: 2231932: 22519001923192419251926192819291932
Days per year at St Michael with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 239 in 1924.
Nights at or below 0 C (32 F) per year at St Michael
YearDaysDecade average
1900232232
1923224226.3
1924239226.3
1925218226.3
1926226226.3
1928228226.3
1929223226.3
1932225225
First to last qualifying date each year at St Michael For each year, a bar from the first to the last day at St Michael meeting 0 C (32 F). 1900: 1 January 1900 to 31 December 19001923: 1 January 1923 to 31 December 19231924: 1 January 1924 to 31 December 19241925: 1 January 1925 to 31 December 19251926: 1 January 1926 to 31 December 19261928: 1 January 1928 to 31 December 19281929: 1 January 1929 to 31 December 19291932: 1 January 1932 to 31 December 193219001923192419251926192819291932JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at St Michael meeting 0 C (32 F).
First to last qualifying date each year at St Michael
YearFirst dateLast date
19001900-01-011900-12-31
19231923-01-011923-12-31
19241924-01-011924-12-31
19251925-01-011925-12-31
19261926-01-011926-12-31
19281928-01-011928-12-31
19291929-01-011929-12-31
19321932-01-011932-12-31

Every Fixed Threshold

Fixed thresholds at St Michael
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
0 C (32 F): Ice days (max81781924166
0 C (32 F): Frost days (min82391924225
-10 C (14 F): Days with min81351924123
-20 C (-4 F): Days with min867192554
-30 C (-22 F): Days with min826192518
10 mm (0.39 in): Days with 10 mm or more rain1919329
25 mm (0.98 in): Days with 25 mm or more rain1119321

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1900.

Download the Data

  • Data for St Michael 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).