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Built 2026-10-19 (19 October 2026)

Ashern Threshold Days by Year (CA005040120)

16 fixed thresholds counted per year at Ashern (CA005040120): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ashern Thresholds

  • Ashern: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 1953 with 18.
  • Ashern: days with 25 mm (0.98 in) or more of precipitation in 26 years, most in 1963 with 7.
  • Ashern: days with 10 cm (3.9 in) or more of snowfall in 23 years, most in 1965 with 5.
  • Ashern: days with a maximum temperature at or above 30 C (86 F) in 17 years, most in 1983 with 18.
  • 16 fixed thresholds have at least one qualifying day at Ashern.
17 years with a qualifying day
Days at or above 30 C (86 F) per year at Ashern Days per year at Ashern with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 18 in 1983. 051015201967: 111968: 11969: 81970: 141971: 61972: 101973: 61974: 111975: 101976: 91977: 61978: 41979: 91980: 151981: 41982: 21983: 18196719691971197319751977197919811983
Days per year at Ashern with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 18 in 1983.
Days at or above 30 C (86 F) per year at Ashern
YearDaysDecade average
1967116.7
196816.7
196986.7
1970148.5
197168.5
1972108.5
197368.5
1974118.5
1975108.5
197698.5
197768.5
197848.5
197998.5
1980159.8
198149.8
198229.8
1983189.8
First to last qualifying date each year at Ashern For each year, a bar from the first to the last day at Ashern meeting 30 C (86 F). 1967: 19 July 1967 to 6 September 19671968: 6 July 1968 to 6 July 19681969: 12 July 1969 to 25 August 19691970: 17 May 1970 to 17 August 19701971: 3 June 1971 to 21 August 19711972: 6 June 1972 to 30 August 19721973: 23 June 1973 to 27 August 19731974: 25 June 1974 to 7 August 19741975: 25 June 1975 to 30 July 19751976: 9 July 1976 to 6 September 19761977: 11 May 1977 to 25 June 19771978: 29 June 1978 to 3 September 19781979: 13 June 1979 to 16 September 19791980: 21 April 1980 to 29 July 19801981: 4 July 1981 to 7 July 19811982: 15 July 1982 to 10 September 19821983: 10 June 1983 to 2 September 1983196719701973197619791982JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ashern meeting 30 C (86 F).
First to last qualifying date each year at Ashern
YearFirst dateLast date
19671967-07-191967-09-06
19681968-07-061968-07-06
19691969-07-121969-08-25
19701970-05-171970-08-17
19711971-06-031971-08-21
19721972-06-061972-08-30
19731973-06-231973-08-27
19741974-06-251974-08-07
19751975-06-251975-07-30
19761976-07-091976-09-06
19771977-05-111977-06-25
19781978-06-291978-09-03
19791979-06-131979-09-16
19801980-04-211980-07-29
19811981-07-041981-07-07
19821982-07-151982-09-10
19831983-06-101983-09-02

Every Fixed Threshold

Fixed thresholds at Ashern
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1718198318
35 C (95 F): Days4219801
90 F (32.2 C): Days14619836
0 C (32 F): Ice days (max171481972122
0 C (32 F): Frost days (min172251979215
-10 C (14 F): Days with min171351970114
-20 C (-4 F): Days with min1796197054
-30 C (-22 F): Days with min1752197217
-40 C (-40 F): Days with min161119683
20 C (68 F): Tropical nights (min7519755
10 mm (0.39 in): Days with 10 mm or more rain2818195314
25 mm (0.98 in): Days with 25 mm or more rain26719631
50 mm (1.97 in): Days with 50 mm or more rain9219531
100 mm (3.94 in): Days with 100 mm or more rain1119801
10 cm (3.9 in): Days with 10 cm or more snowfall23519652
25 cm (9.8 in): Days with 25 cm or more snowfall2119511

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1967.

Download the Data

  • Data for Ashern 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).