Built 2026-10-19 (19 October 2026)

Dorset 2 SE Threshold Days by Year (USC00431786)

16 fixed thresholds counted per year at Dorset 2 SE (USC00431786): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Dorset 2 SE Thresholds

  • Dorset 2 SE: days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 1969 with 58.
  • Dorset 2 SE: days with 25 mm (0.98 in) or more of precipitation in 45 years, most in 1976 with 22.
  • Dorset 2 SE: days with a maximum temperature at or below 0 C (32 F) in 44 years, most in 1995 with 70.
  • Dorset 2 SE: nights with a minimum temperature at or below 0 C (32 F) in 42 years, most in 1997 with 202.
  • 16 fixed thresholds have at least one qualifying day at Dorset 2 SE.
41 years with a qualifying day
Days at or above 30 C (86 F) per year at Dorset 2 SE Days per year at Dorset 2 SE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 37 in 1949. 0102030401943: 81944: 261945: 181946: 131947: 191948: 191949: 371950: 91951: 151952: 291953: 291954: 111955: 341956: 81958: 31959: 351960: 61961: 111962: 101963: 141964: 131965: 141966: 131967: 51968: 131969: 111970: 131971: 41972: 71973: 181974: 61975: 141976: 81977: 121978: 231979: 141991: 71993: 41994: 81995: 131997: 3194319481953195919641969197419791997
Days per year at Dorset 2 SE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 37 in 1949.
Days at or above 30 C (86 F) per year at Dorset 2 SE
YearDaysDecade average
1943820
19442620
19451820
19461320
19471920
19481920
19493720
1950919.2
19511519.2
19522919.2
19532919.2
19541119.2
19553419.2
1956819.2
1958319.2
19593519.2
1960611
19611111
19621011
19631411
19641311
19651411
19661311
1967511
19681311
19691111
19701311.9
1971411.9
1972711.9
19731811.9
1974611.9
19751411.9
1976811.9
19771211.9
19782311.9
19791411.9
199177
199347
199487
1995137
199737
First to last qualifying date each year at Dorset 2 SE For each year, a bar from the first to the last day at Dorset 2 SE meeting 30 C (86 F). 1943: 26 June 1943 to 7 September 19431944: 4 May 1944 to 17 August 19441945: 14 June 1945 to 9 September 19451946: 25 June 1946 to 20 September 19461947: 11 June 1947 to 6 September 19471948: 24 June 1948 to 12 September 19481949: 5 May 1949 to 11 October 19491950: 8 June 1950 to 24 August 19501951: 26 May 1951 to 13 September 19511952: 15 June 1952 to 13 September 19521953: 10 May 1953 to 5 September 19531954: 1 June 1954 to 5 September 19541955: 17 June 1955 to 22 August 19551956: 13 June 1956 to 1 September 19561958: 1 July 1958 to 31 August 19581959: 7 May 1959 to 9 September 19591960: 17 June 1960 to 8 September 19601961: 13 June 1961 to 24 September 19611962: 27 April 1962 to 1 September 19621963: 24 June 1963 to 28 July 19631964: 23 May 1964 to 29 July 19641965: 26 May 1965 to 22 September 19651966: 14 June 1966 to 9 August 19661967: 4 June 1967 to 16 June 19671968: 6 June 1968 to 25 August 19681969: 12 June 1969 to 1 September 19691970: 1 June 1970 to 4 September 19701971: 19 May 1971 to 19 August 19711972: 15 June 1972 to 25 August 19721973: 11 June 1973 to 5 September 19731974: 9 June 1974 to 14 July 19741975: 22 May 1975 to 26 August 19751976: 18 April 1976 to 22 August 19761977: 22 May 1977 to 30 August 19771978: 24 May 1978 to 19 August 19781979: 9 May 1979 to 5 August 19791991: 29 June 1991 to 31 August 19911993: 7 July 1993 to 10 July 19931994: 17 June 1994 to 22 July 19941995: 20 June 1995 to 18 August 19951997: 22 June 1997 to 11 August 19971943194919551962196819741991JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Dorset 2 SE meeting 30 C (86 F).
First to last qualifying date each year at Dorset 2 SE
YearFirst dateLast date
19431943-06-261943-09-07
19441944-05-041944-08-17
19451945-06-141945-09-09
19461946-06-251946-09-20
19471947-06-111947-09-06
19481948-06-241948-09-12
19491949-05-051949-10-11
19501950-06-081950-08-24
19511951-05-261951-09-13
19521952-06-151952-09-13
19531953-05-101953-09-05
19541954-06-011954-09-05
19551955-06-171955-08-22
19561956-06-131956-09-01
19581958-07-011958-08-31
19591959-05-071959-09-09
19601960-06-171960-09-08
19611961-06-131961-09-24
19621962-04-271962-09-01
19631963-06-241963-07-28
19641964-05-231964-07-29
19651965-05-261965-09-22
19661966-06-141966-08-09
19671967-06-041967-06-16
19681968-06-061968-08-25
19691969-06-121969-09-01
19701970-06-011970-09-04
19711971-05-191971-08-19
19721972-06-151972-08-25
19731973-06-111973-09-05
19741974-06-091974-07-14
19751975-05-221975-08-26
19761976-04-181976-08-22
19771977-05-221977-08-30
19781978-05-241978-08-19
19791979-05-091979-08-05
19911991-06-291991-08-31
19931993-07-071993-07-10
19941994-06-171994-07-22
19951995-06-201995-08-18
19971997-06-221997-08-11

Every Fixed Threshold

Fixed thresholds at Dorset 2 SE
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days413719493
35 C (95 F): Days5319521
90 F (32.2 C): Days321519533
0 C (32 F): Ice days (max4470199570
0 C (32 F): Frost days (min422021997202
-10 C (14 F): Days with min4282199275
-20 C (-4 F): Days with min4230199412
-30 C (-22 F): Days with min18719792
20 C (68 F): Tropical nights (min20619796
10 mm (0.39 in): Days with 10 mm or more rain4558196944
25 mm (0.98 in): Days with 25 mm or more rain452219766
50 mm (1.97 in): Days with 50 mm or more rain31419482
100 mm (3.94 in): Days with 100 mm or more rain2119521
10 cm (3.9 in): Days with 10 cm or more snowfall341119568
25 cm (9.8 in): Days with 25 cm or more snowfall18419712
50 cm (19.7 in): Days with 50 cm or more snowfall2119691

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1943.

Download the Data

  • Data for Dorset 2 SE 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).