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

Ivory Island Threshold Days by Year (CA001063690)

9 fixed thresholds counted per year at Ivory Island (CA001063690): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ivory Island Thresholds

  • Ivory Island: days with 10 mm (0.39 in) or more of precipitation in 7 years, most in 1953 with 109.
  • Ivory Island: days with 25 mm (0.98 in) or more of precipitation in 7 years, most in 1952 with 31.
  • Ivory Island: days with 50 mm (1.97 in) or more of precipitation in 6 years, most in 1952 with 7.
  • Ivory Island: days with 10 cm (3.9 in) or more of snowfall in 6 years, most in 1949 with 4.
  • 9 fixed thresholds have at least one qualifying day at Ivory Island.
4 years with a qualifying day
Nights at or below 0 C (32 F) per year at Ivory Island Days per year at Ivory Island with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 60 in 1950. 02040601949: 561950: 601951: 541953: 281949195019511953
Days per year at Ivory Island with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 60 in 1950.
Nights at or below 0 C (32 F) per year at Ivory Island
YearDaysDecade average
19495656
19506047.3
19515447.3
19532847.3
First to last qualifying date each year at Ivory Island For each year, a bar from the first to the last day at Ivory Island meeting 0 C (32 F). 1949: 1 January 1949 to 31 December 19491950: 1 January 1950 to 4 December 19501951: 3 January 1951 to 31 December 19511953: 6 January 1953 to 15 December 19531949195019511953JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ivory Island meeting 0 C (32 F).
First to last qualifying date each year at Ivory Island
YearFirst dateLast date
19491949-01-011949-12-31
19501950-01-011950-12-04
19511951-01-031951-12-31
19531953-01-061953-12-15

Every Fixed Threshold

Fixed thresholds at Ivory Island
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
0 C (32 F): Ice days (max52519505
0 C (32 F): Frost days (min460195028
-10 C (14 F): Days with min31319502
10 mm (0.39 in): Days with 10 mm or more rain7109195387
25 mm (0.98 in): Days with 25 mm or more rain731195219
50 mm (1.97 in): Days with 50 mm or more rain6719522
100 mm (3.94 in): Days with 100 mm or more rain1119521
10 cm (3.9 in): Days with 10 cm or more snowfall6419492
25 cm (9.8 in): Days with 25 cm or more snowfall1119551

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Ivory Island 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).