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

Long River Threshold Days by Year (CA008300500)

13 fixed thresholds counted per year at Long River (CA008300500): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Long River Thresholds

  • Long River: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 1981 with 52.
  • Long River: days with 25 mm (0.98 in) or more of precipitation in 27 years, most in 1958 with 13.
  • Long River: days with 10 cm (3.9 in) or more of snowfall in 27 years, most in 1967 with 16.
  • Long River: days with 25 cm (9.8 in) or more of snowfall in 15 years, most in 1978 with 4.
  • 13 fixed thresholds have at least one qualifying day at Long River.
5 years with a qualifying day
Days at or above 30 C (86 F) per year at Long River Days per year at Long River with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 7 in 1975. 024681975: 71976: 31977: 31979: 11982: 119751976197719791982
Days per year at Long River with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 7 in 1975.
Days at or above 30 C (86 F) per year at Long River
YearDaysDecade average
197573.5
197633.5
197733.5
197913.5
198211
First to last qualifying date each year at Long River For each year, a bar from the first to the last day at Long River meeting 30 C (86 F). 1975: 24 June 1975 to 11 August 19751976: 10 August 1976 to 22 August 19761977: 23 May 1977 to 29 August 19771979: 16 June 1979 to 16 June 19791982: 19 July 1982 to 19 July 198219751976197719791982JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Long River meeting 30 C (86 F).
First to last qualifying date each year at Long River
YearFirst dateLast date
19751975-06-241975-08-11
19761976-08-101976-08-22
19771977-05-231977-08-29
19791979-06-161979-06-16
19821982-07-191982-07-19

Every Fixed Threshold

Fixed thresholds at Long River
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5719751
90 F (32.2 C): Days2219772
0 C (32 F): Ice days (max13100197862
0 C (32 F): Frost days (min131931972149
-10 C (14 F): Days with min1382197249
-20 C (-4 F): Days with min132219754
-30 C (-22 F): Days with min3119761
20 C (68 F): Tropical nights (min9419731
10 mm (0.39 in): Days with 10 mm or more rain2752198139
25 mm (0.98 in): Days with 25 mm or more rain271319587
50 mm (1.97 in): Days with 50 mm or more rain10219682
10 cm (3.9 in): Days with 10 cm or more snowfall271619675
25 cm (9.8 in): Days with 25 cm or more snowfall15419784

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1975.

Download the Data

  • Data for Long River 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).