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

Mayne Island Threshold Days by Year (CA001014931)

4 fixed thresholds counted per year at Mayne Island (CA001014931): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mayne Island Thresholds

  • Mayne Island: days with 10 mm (0.39 in) or more of precipitation in 11 years, most in 1980 with 30.
  • Mayne Island: days with 25 mm (0.98 in) or more of precipitation in 10 years, most in 1975 with 9.
  • Mayne Island: days with 10 cm (3.9 in) or more of snowfall in 5 years, most in 1971 with 2.
  • Mayne Island: days with 50 mm (1.97 in) or more of precipitation in 2 years, most in 1975 with 2.
  • 4 fixed thresholds have at least one qualifying day at Mayne Island.
11 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Mayne Island Days per year at Mayne Island with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 30 in 1980. 01020301971: 221972: 261973: 131974: 231975: 291976: 181977: 241978: 131979: 201980: 301981: 27197119731975197719791981
Days per year at Mayne Island with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 30 in 1980.
Days with 10 mm (0.39 in) or more of precipitation per year at Mayne Island
YearDaysDecade average
19712220.9
19722620.9
19731320.9
19742320.9
19752920.9
19761820.9
19772420.9
19781320.9
19792020.9
19803028.5
19812728.5
First to last qualifying date each year at Mayne Island For each year, a bar from the first to the last day at Mayne Island meeting 10 mm (0.39 in). 1971: 11 January 1971 to 17 December 19711972: 18 January 1972 to 26 December 19721973: 11 January 1973 to 27 December 19731974: 12 January 1974 to 20 December 19741975: 3 January 1975 to 25 December 19751976: 3 January 1976 to 25 December 19761977: 2 January 1977 to 15 December 19771978: 3 January 1978 to 10 December 19781979: 19 January 1979 to 30 December 19791980: 11 January 1980 to 30 December 19801981: 17 January 1981 to 31 December 1981197119731975197719791981JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mayne Island meeting 10 mm (0.39 in).
First to last qualifying date each year at Mayne Island
YearFirst dateLast date
19711971-01-111971-12-17
19721972-01-181972-12-26
19731973-01-111973-12-27
19741974-01-121974-12-20
19751975-01-031975-12-25
19761976-01-031976-12-25
19771977-01-021977-12-15
19781978-01-031978-12-10
19791979-01-191979-12-30
19801980-01-111980-12-30
19811981-01-171981-12-31

Every Fixed Threshold

Fixed thresholds at Mayne Island
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1130198027
25 mm (0.98 in): Days with 25 mm or more rain10919754
50 mm (1.97 in): Days with 50 mm or more rain2219752
10 cm (3.9 in): Days with 10 cm or more snowfall5219711

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1971.

Download the Data

  • Data for Mayne 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 (2025-12-31).