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

Cape Norman Threshold Days by Year (CA008400940)

11 fixed thresholds counted per year at Cape Norman (CA008400940): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cape Norman Thresholds

  • Cape Norman: days with 10 cm (3.9 in) or more of snowfall in 43 years, most in 1888 with 27.
  • Cape Norman: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1910 with 50.
  • Cape Norman: days with 25 mm (0.98 in) or more of precipitation in 32 years, most in 1912 with 10.
  • Cape Norman: days with 25 cm (9.8 in) or more of snowfall in 15 years, most in 1886 with 3.
  • 11 fixed thresholds have at least one qualifying day at Cape Norman.
3 years with a qualifying day
Nights at or below 0 C (32 F) per year at Cape Norman Days per year at Cape Norman with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 305 in 1946. 01002003004001944: 2751945: 2971946: 305194419451946
Days per year at Cape Norman with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 305 in 1946.
Nights at or below 0 C (32 F) per year at Cape Norman
YearDaysDecade average
1944275292.3
1945297292.3
1946305292.3
First to last qualifying date each year at Cape Norman For each year, a bar from the first to the last day at Cape Norman meeting 0 C (32 F). 1944: 1 January 1944 to 31 December 19441945: 1 January 1945 to 31 December 19451946: 1 January 1946 to 31 December 1946194419451946JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cape Norman meeting 0 C (32 F).
First to last qualifying date each year at Cape Norman
YearFirst dateLast date
19441944-01-011944-12-31
19451945-01-011945-12-31
19461946-01-011946-12-31

Every Fixed Threshold

Fixed thresholds at Cape Norman
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
0 C (32 F): Ice days (max31311946131
0 C (32 F): Frost days (min33051946305
-10 C (14 F): Days with min31641946164
-20 C (-4 F): Days with min363194663
-30 C (-22 F): Days with min310194610
10 mm (0.39 in): Days with 10 mm or more rain4150191016
25 mm (0.98 in): Days with 25 mm or more rain321019127
50 mm (1.97 in): Days with 50 mm or more rain10219213
10 cm (3.9 in): Days with 10 cm or more snowfall4327188810
25 cm (9.8 in): Days with 25 cm or more snowfall15318862
50 cm (19.7 in): Days with 50 cm or more snowfall1119441

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.

Download the Data

  • Data for Cape Norman 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).