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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Exeter Threshold Days by Year (CA006122370)

14 fixed thresholds counted per year at Exeter (CA006122370): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Exeter Thresholds

  • Exeter: days with 10 mm (0.39 in) or more of precipitation in 23 years, most in 1975 with 39.
  • Exeter: days with 25 mm (0.98 in) or more of precipitation in 23 years, most in 1966 with 10.
  • Exeter: days with 10 cm (3.9 in) or more of snowfall in 23 years, most in 1963 with 11.
  • Exeter: nights with a minimum temperature at or below 0 C (32 F) in 15 years, most in 1978 with 176.
  • 14 fixed thresholds have at least one qualifying day at Exeter.
14 years with a qualifying day
Days at or above 30 C (86 F) per year at Exeter Days per year at Exeter with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 21 in 1969. 01020301968: 141969: 211970: 91971: 91972: 71974: 91975: 71977: 121978: 151979: 121980: 61981: 81982: 31983: 151968197019721975197819801982
Days per year at Exeter with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 21 in 1969.
Days at or above 30 C (86 F) per year at Exeter
YearDaysDecade average
19681417.5
19692117.5
1970910
1971910
1972710
1974910
1975710
19771210
19781510
19791210
198068
198188
198238
1983158
First to last qualifying date each year at Exeter For each year, a bar from the first to the last day at Exeter meeting 30 C (86 F). 1968: 5 June 1968 to 24 August 19681969: 12 June 1969 to 1 September 19691970: 10 June 1970 to 26 August 19701971: 19 June 1971 to 8 September 19711972: 14 June 1972 to 24 August 19721974: 3 July 1974 to 23 August 19741975: 19 May 1975 to 1 August 19751977: 20 May 1977 to 28 August 19771978: 27 May 1978 to 20 September 19781979: 9 May 1979 to 5 September 19791980: 24 June 1980 to 29 August 19801981: 15 June 1981 to 19 July 19811982: 6 July 1982 to 18 July 19821983: 13 June 1983 to 10 September 19831968197019721975197819801982JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Exeter meeting 30 C (86 F).
First to last qualifying date each year at Exeter
YearFirst dateLast date
19681968-06-051968-08-24
19691969-06-121969-09-01
19701970-06-101970-08-26
19711971-06-191971-09-08
19721972-06-141972-08-24
19741974-07-031974-08-23
19751975-05-191975-08-01
19771977-05-201977-08-28
19781978-05-271978-09-20
19791979-05-091979-09-05
19801980-06-241980-08-29
19811981-06-151981-07-19
19821982-07-061982-07-18
19831983-06-131983-09-10

Every Fixed Threshold

Fixed thresholds at Exeter
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1421196915
35 C (95 F): Days1119711
90 F (32.2 C): Days9419692
0 C (32 F): Ice days (max1490197853
0 C (32 F): Frost days (min151761978135
-10 C (14 F): Days with min1576197837
-20 C (-4 F): Days with min142319783
20 C (68 F): Tropical nights (min151119776
10 mm (0.39 in): Days with 10 mm or more rain2339197527
25 mm (0.98 in): Days with 25 mm or more rain231019663
50 mm (1.97 in): Days with 50 mm or more rain13319641
100 mm (3.94 in): Days with 100 mm or more rain1119691
10 cm (3.9 in): Days with 10 cm or more snowfall231119632
25 cm (9.8 in): Days with 25 cm or more snowfall7319773

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1968.

Download the Data

  • Data for Exeter 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).