Daily records
Page built 2026-10-18
Data as of 2025-12-31
Search
Built 2026-10-18 (18 October 2026)

Ballenas Island Threshold Days by Year

4 fixed thresholds counted per year at Ballenas Island (CA001020590): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ballenas Island Thresholds

  • Ballenas Island: days with 10 mm (0.39 in) or more of precipitation in 17 years, most in 1983 with 32.
  • Ballenas Island: days with 25 mm (0.98 in) or more of precipitation in 13 years, most in 1968 with 6.
  • Ballenas Island: days with 10 cm (3.9 in) or more of snowfall in 8 years, most in 1971 with 5.
  • Ballenas Island: days with 25 cm (9.8 in) or more of snowfall in 1 years, most in 1978 with 1.
  • 4 fixed thresholds have at least one qualifying day at Ballenas Island.
17 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Ballenas Island Days per year at Ballenas Island with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 32 in 1983. 0102030401967: 181968: 281969: 121970: 161971: 251972: 201973: 171974: 211975: 291976: 131977: 171978: 151979: 221980: 301981: 171982: 171983: 32196719691971197319751977197919811983
Days per year at Ballenas Island with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 32 in 1983.
Days with 10 mm (0.39 in) or more of precipitation per year at Ballenas Island
YearDaysDecade average
19671819.3
19682819.3
19691219.3
19701619.5
19712519.5
19722019.5
19731719.5
19742119.5
19752919.5
19761319.5
19771719.5
19781519.5
19792219.5
19803024
19811724
19821724
19833224
First to last qualifying date each year at Ballenas Island For each year, a bar from the first to the last day at Ballenas Island meeting 10 mm (0.39 in). 1967: 8 January 1967 to 24 December 19671968: 8 January 1968 to 30 December 19681969: 19 January 1969 to 22 December 19691970: 13 January 1970 to 16 December 19701971: 10 January 1971 to 16 December 19711972: 26 February 1972 to 26 December 19721973: 13 January 1973 to 19 December 19731974: 12 January 1974 to 20 December 19741975: 3 January 1975 to 29 December 19751976: 21 January 1976 to 26 December 19761977: 11 January 1977 to 13 December 19771978: 3 January 1978 to 10 December 19781979: 19 January 1979 to 31 December 19791980: 11 January 1980 to 30 December 19801981: 18 January 1981 to 18 December 19811982: 4 January 1982 to 18 December 19821983: 4 January 1983 to 12 December 1983196719701973197619791982JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ballenas Island meeting 10 mm (0.39 in).
First to last qualifying date each year at Ballenas Island
YearFirst dateLast date
19671967-01-081967-12-24
19681968-01-081968-12-30
19691969-01-191969-12-22
19701970-01-131970-12-16
19711971-01-101971-12-16
19721972-02-261972-12-26
19731973-01-131973-12-19
19741974-01-121974-12-20
19751975-01-031975-12-29
19761976-01-211976-12-26
19771977-01-111977-12-13
19781978-01-031978-12-10
19791979-01-191979-12-31
19801980-01-111980-12-30
19811981-01-181981-12-18
19821982-01-041982-12-18
19831983-01-041983-12-12

Every Fixed Threshold

Fixed thresholds at Ballenas Island
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1732198332
25 mm (0.98 in): Days with 25 mm or more rain13619686
10 cm (3.9 in): Days with 10 cm or more snowfall8519711
25 cm (9.8 in): Days with 25 cm or more snowfall1119781

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1967.

Download the Data

  • Data for Ballenas 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).