Daily records
Page built 2026-10-17
Data as of 2026-10-16
Search
Built 2026-10-17 (17 October 2026)

Proton Station Threshold Days by Year

12 fixed thresholds counted per year at Proton Station (CA006116750): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Proton Station Thresholds

  • Proton Station: days with 10 mm (0.39 in) or more of precipitation in 14 years, most in 1979 with 40.
  • Proton Station: days with 25 mm (0.98 in) or more of precipitation in 14 years, most in 1979 with 10.
  • Proton Station: days with 10 cm (3.9 in) or more of snowfall in 14 years, most in 1982 with 14.
  • Proton Station: days with a maximum temperature at or below 0 C (32 F) in 13 years, most in 1978 with 111.
  • 12 fixed thresholds have at least one qualifying day at Proton Station.
6 years with a qualifying day
Days at or above 30 C (86 F) per year at Proton Station Days per year at Proton Station with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 1973. 012341971: 11973: 41974: 21975: 31977: 31983: 1197119731974197519771983
Days per year at Proton Station with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 1973.
Days at or above 30 C (86 F) per year at Proton Station
YearDaysDecade average
197112.6
197342.6
197422.6
197532.6
197732.6
198311
First to last qualifying date each year at Proton Station For each year, a bar from the first to the last day at Proton Station meeting 30 C (86 F). 1971: 28 June 1971 to 28 June 19711973: 30 August 1973 to 4 September 19731974: 9 July 1974 to 14 July 19741975: 31 July 1975 to 2 August 19751977: 21 May 1977 to 20 July 19771983: 16 July 1983 to 16 July 1983197119731974197519771983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Proton Station meeting 30 C (86 F).
First to last qualifying date each year at Proton Station
YearFirst dateLast date
19711971-06-281971-06-28
19731973-08-301973-09-04
19741974-07-091974-07-14
19751975-07-311975-08-02
19771977-05-211977-07-20
19831983-07-161983-07-16

Every Fixed Threshold

Fixed thresholds at Proton Station
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days6419731
0 C (32 F): Ice days (max13111197884
0 C (32 F): Frost days (min131981972182
-10 C (14 F): Days with min1388197851
-20 C (-4 F): Days with min1326197713
-30 C (-22 F): Days with min8419791
20 C (68 F): Tropical nights (min11419834
10 mm (0.39 in): Days with 10 mm or more rain1440197939
25 mm (0.98 in): Days with 25 mm or more rain141019795
50 mm (1.97 in): Days with 50 mm or more rain5119711
10 cm (3.9 in): Days with 10 cm or more snowfall1414198210
25 cm (9.8 in): Days with 25 cm or more snowfall5219751

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1971.

Download the Data

  • Data for Proton Station 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 (2026-10-16).