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

Helmet Peak Ruby Star Threshold Days by Year (USC00027330)

4 fixed thresholds counted per year at Helmet Peak Ruby Star (USC00027330): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Helmet Peak Ruby Star Thresholds

  • Helmet Peak Ruby Star: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 1971 with 20.
  • Helmet Peak Ruby Star: days with 25 mm (0.98 in) or more of precipitation in 27 years, most in 1971 with 7.
  • Helmet Peak Ruby Star: days with 50 mm (1.97 in) or more of precipitation in 6 years, most in 1967 with 2.
  • Helmet Peak Ruby Star: days with 10 cm (3.9 in) or more of snowfall in 1 years, most in 1971 with 1.
  • 4 fixed thresholds have at least one qualifying day at Helmet Peak Ruby Star.
28 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Helmet Peak Ruby Star Days per year at Helmet Peak Ruby Star with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 20 in 1971. 051015201950: 81951: 111953: 81954: 121955: 171956: 41957: 71958: 141959: 111960: 81961: 121962: 71966: 181967: 91968: 91969: 81970: 101971: 201972: 81973: 91974: 61975: 71976: 71977: 91978: 181980: 121981: 81982: 171950195419571960196619691972197519781982
Days per year at Helmet Peak Ruby Star with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 20 in 1971.
Days with 10 mm (0.39 in) or more of precipitation per year at Helmet Peak Ruby Star
YearDaysDecade average
1950810.2
19511110.2
1953810.2
19541210.2
19551710.2
1956410.2
1957710.2
19581410.2
19591110.2
1960810.1
19611210.1
1962710.1
19661810.1
1967910.1
1968910.1
1969810.1
19701010.4
19712010.4
1972810.4
1973910.4
1974610.4
1975710.4
1976710.4
1977910.4
19781810.4
19801212.3
1981812.3
19821712.3
First to last qualifying date each year at Helmet Peak Ruby Star For each year, a bar from the first to the last day at Helmet Peak Ruby Star meeting 10 mm (0.39 in). 1950: 11 February 1950 to 10 August 19501951: 12 January 1951 to 30 October 19511953: 24 February 1953 to 29 July 19531954: 20 January 1954 to 25 September 19541955: 4 January 1955 to 4 October 19551956: 21 January 1956 to 31 July 19561957: 9 January 1957 to 31 October 19571958: 4 February 1958 to 16 November 19581959: 9 February 1959 to 24 December 19591960: 11 January 1960 to 29 December 19601961: 3 July 1961 to 16 December 19611962: 24 January 1962 to 18 December 19621966: 18 January 1966 to 9 November 19661967: 25 May 1967 to 20 December 19671968: 10 March 1968 to 26 December 19681969: 17 July 1969 to 9 November 19691970: 11 February 1970 to 4 September 19701971: 18 July 1971 to 14 December 19711972: 17 July 1972 to 17 November 19721973: 20 February 1973 to 25 November 19731974: 20 July 1974 to 8 November 19741975: 6 July 1975 to 12 September 19751976: 11 July 1976 to 12 November 19761977: 30 January 1977 to 28 December 19771978: 10 January 1978 to 31 December 19781980: 9 February 1980 to 25 September 19801981: 11 January 1981 to 23 September 19811982: 11 February 1982 to 29 December 19821950195519591966197019741978JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Helmet Peak Ruby Star meeting 10 mm (0.39 in).
First to last qualifying date each year at Helmet Peak Ruby Star
YearFirst dateLast date
19501950-02-111950-08-10
19511951-01-121951-10-30
19531953-02-241953-07-29
19541954-01-201954-09-25
19551955-01-041955-10-04
19561956-01-211956-07-31
19571957-01-091957-10-31
19581958-02-041958-11-16
19591959-02-091959-12-24
19601960-01-111960-12-29
19611961-07-031961-12-16
19621962-01-241962-12-18
19661966-01-181966-11-09
19671967-05-251967-12-20
19681968-03-101968-12-26
19691969-07-171969-11-09
19701970-02-111970-09-04
19711971-07-181971-12-14
19721972-07-171972-11-17
19731973-02-201973-11-25
19741974-07-201974-11-08
19751975-07-061975-09-12
19761976-07-111976-11-12
19771977-01-301977-12-28
19781978-01-101978-12-31
19801980-02-091980-09-25
19811981-01-111981-09-23
19821982-02-111982-12-29

Every Fixed Threshold

Fixed thresholds at Helmet Peak Ruby Star
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2820197117
25 mm (0.98 in): Days with 25 mm or more rain27719711
50 mm (1.97 in): Days with 50 mm or more rain6219671
10 cm (3.9 in): Days with 10 cm or more snowfall1119711

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1950.

Download the Data

  • Data for Helmet Peak Ruby Star 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).