Built 2026-10-19 (19 October 2026)

Hedley Np Mine Threshold Days by Year (CA001123390)

13 fixed thresholds counted per year at Hedley Np Mine (CA001123390): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hedley Np Mine Thresholds

  • Hedley Np Mine: days with a maximum temperature at or below 0 C (32 F) in 26 years, most in 1912 with 115.
  • Hedley Np Mine: nights with a minimum temperature at or below 0 C (32 F) in 26 years, most in 1916 with 303.
  • Hedley Np Mine: nights with a minimum temperature at or below -10 C (14 F) in 26 years, most in 1916 with 156.
  • Hedley Np Mine: nights with a minimum temperature at or below -20 C (-4 F) in 26 years, most in 1916 with 34.
  • 13 fixed thresholds have at least one qualifying day at Hedley Np Mine.
4 years with a qualifying day
Days at or above 30 C (86 F) per year at Hedley Np Mine Days per year at Hedley Np Mine with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 1942. 012341906: 11939: 31942: 41944: 11906193919421944
Days per year at Hedley Np Mine with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 1942.
Days at or above 30 C (86 F) per year at Hedley Np Mine
YearDaysDecade average
190611
193933
194242.5
194412.5
First to last qualifying date each year at Hedley Np Mine For each year, a bar from the first to the last day at Hedley Np Mine meeting 30 C (86 F). 1906: 4 July 1906 to 4 July 19061939: 27 July 1939 to 29 July 19391942: 2 July 1942 to 5 July 19421944: 19 July 1944 to 19 July 19441906193919421944JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hedley Np Mine meeting 30 C (86 F).
First to last qualifying date each year at Hedley Np Mine
YearFirst dateLast date
19061906-07-041906-07-04
19391939-07-271939-07-29
19421942-07-021942-07-05
19441944-07-191944-07-19

Every Fixed Threshold

Fixed thresholds at Hedley Np Mine
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4419421
90 F (32.2 C): Days3119061
0 C (32 F): Ice days (max26115191283
0 C (32 F): Frost days (min263031916218
-10 C (14 F): Days with min26156191641
-20 C (-4 F): Days with min263419162
-30 C (-22 F): Days with min81119503
10 mm (0.39 in): Days with 10 mm or more rain2627191611
25 mm (0.98 in): Days with 25 mm or more rain21519142
50 mm (1.97 in): Days with 50 mm or more rain1119441
10 cm (3.9 in): Days with 10 cm or more snowfall261919106
25 cm (9.8 in): Days with 25 cm or more snowfall13519142
50 cm (19.7 in): Days with 50 cm or more snowfall1119441

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1906.

Download the Data

  • Data for Hedley Np Mine 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 (2026-10-17).