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Built 2026-10-17 (17 October 2026)

Cape Romanzof Threshold Days by Year

10 fixed thresholds counted per year at Cape Romanzof (USC00501318): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cape Romanzof Thresholds

  • Cape Romanzof: nights with a minimum temperature at or below 0 C (32 F) in 27 years, most in 1962 with 242.
  • Cape Romanzof: nights with a minimum temperature at or below -10 C (14 F) in 27 years, most in 1976 with 133.
  • Cape Romanzof: nights with a minimum temperature at or below -20 C (-4 F) in 27 years, most in 1956 with 56.
  • Cape Romanzof: days with a maximum temperature at or below 0 C (32 F) in 26 years, most in 1976 with 192.
  • 10 fixed thresholds have at least one qualifying day at Cape Romanzof.
27 years with a qualifying day
Nights at or below 0 C (32 F) per year at Cape Romanzof Days per year at Cape Romanzof with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 242 in 1962. 01002003001954: 2071955: 2021956: 2221957: 2061960: 2311961: 2101962: 2421963: 2171964: 2291965: 2321966: 2261967: 2171968: 2321969: 1921970: 2251971: 2161972: 1991973: 2271974: 2211976: 2281978: 1761979: 1651980: 2081981: 2131982: 2231983: 2031984: 191195419571962196519681971197419791982
Days per year at Cape Romanzof with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 242 in 1962.
Nights at or below 0 C (32 F) per year at Cape Romanzof
YearDaysDecade average
1954207209.3
1955202209.3
1956222209.3
1957206209.3
1960231222.8
1961210222.8
1962242222.8
1963217222.8
1964229222.8
1965232222.8
1966226222.8
1967217222.8
1968232222.8
1969192222.8
1970225207.1
1971216207.1
1972199207.1
1973227207.1
1974221207.1
1976228207.1
1978176207.1
1979165207.1
1980208207.6
1981213207.6
1982223207.6
1983203207.6
1984191207.6
First to last qualifying date each year at Cape Romanzof For each year, a bar from the first to the last day at Cape Romanzof meeting 0 C (32 F). 1954: 1 January 1954 to 31 December 19541955: 3 January 1955 to 30 November 19551956: 6 January 1956 to 31 December 19561957: 1 January 1957 to 30 December 19571960: 1 January 1960 to 31 December 19601961: 1 January 1961 to 31 December 19611962: 1 January 1962 to 31 December 19621963: 1 January 1963 to 31 December 19631964: 1 January 1964 to 31 December 19641965: 1 January 1965 to 31 December 19651966: 1 January 1966 to 31 December 19661967: 1 January 1967 to 31 December 19671968: 1 January 1968 to 31 December 19681969: 1 January 1969 to 31 December 19691970: 1 January 1970 to 31 December 19701971: 1 January 1971 to 31 December 19711972: 1 January 1972 to 31 December 19721973: 1 January 1973 to 31 December 19731974: 1 January 1974 to 31 December 19741976: 1 January 1976 to 31 December 19761978: 1 February 1978 to 31 December 19781979: 1 January 1979 to 30 November 19791980: 1 January 1980 to 31 December 19801981: 1 January 1981 to 31 December 19811982: 1 January 1982 to 31 December 19821983: 1 January 1983 to 31 December 19831984: 1 January 1984 to 29 November 19841954196019641968197219781982JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cape Romanzof meeting 0 C (32 F).
First to last qualifying date each year at Cape Romanzof
YearFirst dateLast date
19541954-01-011954-12-31
19551955-01-031955-11-30
19561956-01-061956-12-31
19571957-01-011957-12-30
19601960-01-011960-12-31
19611961-01-011961-12-31
19621962-01-011962-12-31
19631963-01-011963-12-31
19641964-01-011964-12-31
19651965-01-011965-12-31
19661966-01-011966-12-31
19671967-01-011967-12-31
19681968-01-011968-12-31
19691969-01-011969-12-31
19701970-01-011970-12-31
19711971-01-011971-12-31
19721972-01-011972-12-31
19731973-01-011973-12-31
19741974-01-011974-12-31
19761976-01-011976-12-31
19781978-02-011978-12-31
19791979-01-011979-11-30
19801980-01-011980-12-31
19811981-01-011981-12-31
19821982-01-011982-12-31
19831983-01-011983-12-31
19841984-01-011984-11-29

Every Fixed Threshold

Fixed thresholds at Cape Romanzof
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
0 C (32 F): Ice days (max261921976138
0 C (32 F): Frost days (min272421962191
-10 C (14 F): Days with min27133197692
-20 C (-4 F): Days with min2756195641
-30 C (-22 F): Days with min13419641
10 mm (0.39 in): Days with 10 mm or more rain263119738
25 mm (0.98 in): Days with 25 mm or more rain24819561
50 mm (1.97 in): Days with 50 mm or more rain6119561
10 cm (3.9 in): Days with 10 cm or more snowfall181119563
25 cm (9.8 in): Days with 25 cm or more snowfall2319563

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1954.

Download the Data

  • Data for Cape Romanzof 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

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