Built 2026-10-19 (19 October 2026)

Highway Threshold Days by Year (CA003063248)

4 fixed thresholds counted per year at Highway (CA003063248): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Highway Thresholds

  • Highway: days with 10 mm (0.39 in) or more of precipitation in 13 years, most in 1980 with 21.
  • Highway: days with 25 mm (0.98 in) or more of precipitation in 12 years, most in 1977 with 5.
  • Highway: days with 10 cm (3.9 in) or more of snowfall in 12 years, most in 1974 with 5.
  • Highway: days with 50 mm (1.97 in) or more of precipitation in 3 years, most in 1970 with 1.
  • 4 fixed thresholds have at least one qualifying day at Highway.
13 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Highway Days per year at Highway with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 1980. 01020301970: 111971: 181972: 161973: 201974: 131976: 111977: 201978: 171979: 81980: 211981: 171982: 181983: 131970197219741977197919811983
Days per year at Highway with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 1980.
Days with 10 mm (0.39 in) or more of precipitation per year at Highway
YearDaysDecade average
19701114.9
19711814.9
19721614.9
19732014.9
19741314.9
19761114.9
19772014.9
19781714.9
1979814.9
19802117.3
19811717.3
19821817.3
19831317.3
First to last qualifying date each year at Highway For each year, a bar from the first to the last day at Highway meeting 10 mm (0.39 in). 1970: 15 June 1970 to 7 December 19701971: 19 March 1971 to 8 December 19711972: 27 February 1972 to 30 November 19721973: 12 April 1973 to 7 October 19731974: 23 January 1974 to 21 December 19741976: 8 March 1976 to 8 December 19761977: 6 January 1977 to 25 September 19771978: 11 March 1978 to 22 December 19781979: 17 April 1979 to 9 December 19791980: 18 February 1980 to 9 December 19801981: 6 May 1981 to 29 August 19811982: 6 January 1982 to 17 October 19821983: 13 March 1983 to 26 October 19831970197219741977197919811983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Highway meeting 10 mm (0.39 in).
First to last qualifying date each year at Highway
YearFirst dateLast date
19701970-06-151970-12-07
19711971-03-191971-12-08
19721972-02-271972-11-30
19731973-04-121973-10-07
19741974-01-231974-12-21
19761976-03-081976-12-08
19771977-01-061977-09-25
19781978-03-111978-12-22
19791979-04-171979-12-09
19801980-02-181980-12-09
19811981-05-061981-08-29
19821982-01-061982-10-17
19831983-03-131983-10-26

Every Fixed Threshold

Fixed thresholds at Highway
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1321198013
25 mm (0.98 in): Days with 25 mm or more rain12519773
50 mm (1.97 in): Days with 50 mm or more rain3119701
10 cm (3.9 in): Days with 10 cm or more snowfall12519741

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.

Download the Data

  • Data for Highway 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).