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Built 2026-10-19 (19 October 2026)

Hinckley 2 SW Threshold Days by Year (USC00303889)

16 fixed thresholds counted per year at Hinckley 2 SW (USC00303889): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hinckley 2 SW Thresholds

  • Hinckley 2 SW: days with 10 mm (0.39 in) or more of precipitation in 56 years, most in 1976 with 63.
  • Hinckley 2 SW: days with 25 mm (0.98 in) or more of precipitation in 56 years, most in 1977 with 17.
  • Hinckley 2 SW: days with 50 mm (1.97 in) or more of precipitation in 40 years, most in 1948 with 4.
  • Hinckley 2 SW: days with 10 cm (3.9 in) or more of snowfall in 38 years, most in 1972 with 16.
  • 16 fixed thresholds have at least one qualifying day at Hinckley 2 SW.
26 years with a qualifying day
Days at or above 30 C (86 F) per year at Hinckley 2 SW Days per year at Hinckley 2 SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 16 in 1975. 01020301962: 71963: 151964: 141965: 101966: 121967: 31968: 91969: 61970: 31971: 41972: 41973: 121974: 61975: 161976: 11977: 91978: 91979: 111980: 11981: 11984: 81987: 101988: 211989: 21990: 61991: 9196219651968197119741977198019871990
Days per year at Hinckley 2 SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 16 in 1975.
Days at or above 30 C (86 F) per year at Hinckley 2 SW
YearDaysDecade average
196279.5
1963159.5
1964149.5
1965109.5
1966129.5
196739.5
196899.5
196969.5
197037.5
197147.5
197247.5
1973127.5
197467.5
1975167.5
197617.5
197797.5
197897.5
1979117.5
198017.2
198117.2
198487.2
1987107.2
1988217.2
198927.2
199067.5
199197.5
First to last qualifying date each year at Hinckley 2 SW For each year, a bar from the first to the last day at Hinckley 2 SW meeting 30 C (86 F). 1962: 17 May 1962 to 31 August 19621963: 27 June 1963 to 29 July 19631964: 23 May 1964 to 29 July 19641965: 28 June 1965 to 22 September 19651966: 25 June 1966 to 9 August 19661967: 11 June 1967 to 16 June 19671968: 8 June 1968 to 21 July 19681969: 27 June 1969 to 31 August 19691970: 27 July 1970 to 15 August 19701971: 19 May 1971 to 6 September 19711972: 15 June 1972 to 16 July 19721973: 11 June 1973 to 5 September 19731974: 10 June 1974 to 21 August 19741975: 23 May 1975 to 26 August 19751976: 15 June 1976 to 15 June 19761977: 21 May 1977 to 29 August 19771978: 27 June 1978 to 15 August 19781979: 9 May 1979 to 2 September 19791980: 5 August 1980 to 5 August 19801981: 16 June 1981 to 16 June 19811984: 8 June 1984 to 8 August 19841987: 29 May 1987 to 17 August 19871988: 14 June 1988 to 14 August 19881989: 24 July 1989 to 25 July 19891990: 28 April 1990 to 4 August 19901991: 17 May 1991 to 17 September 19911962196619701974197819841990JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hinckley 2 SW meeting 30 C (86 F).
First to last qualifying date each year at Hinckley 2 SW
YearFirst dateLast date
19621962-05-171962-08-31
19631963-06-271963-07-29
19641964-05-231964-07-29
19651965-06-281965-09-22
19661966-06-251966-08-09
19671967-06-111967-06-16
19681968-06-081968-07-21
19691969-06-271969-08-31
19701970-07-271970-08-15
19711971-05-191971-09-06
19721972-06-151972-07-16
19731973-06-111973-09-05
19741974-06-101974-08-21
19751975-05-231975-08-26
19761976-06-151976-06-15
19771977-05-211977-08-29
19781978-06-271978-08-15
19791979-05-091979-09-02
19801980-08-051980-08-05
19811981-06-161981-06-16
19841984-06-081984-08-08
19871987-05-291987-08-17
19881988-06-141988-08-14
19891989-07-241989-07-25
19901990-04-281990-08-04
19911991-05-171991-09-17

Every Fixed Threshold

Fixed thresholds at Hinckley 2 SW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days261619759
90 F (32.2 C): Days11719638
0 C (32 F): Ice days (max2780198969
0 C (32 F): Frost days (min261881962164
-10 C (14 F): Days with min2687198967
-20 C (-4 F): Days with min2633198915
-30 C (-22 F): Days with min25919681
-40 C (-40 F): Days with min1119791
20 C (68 F): Tropical nights (min14319683
10 mm (0.39 in): Days with 10 mm or more rain5663197615
25 mm (0.98 in): Days with 25 mm or more rain561719771
50 mm (1.97 in): Days with 50 mm or more rain40419483
100 mm (3.94 in): Days with 100 mm or more rain4119411
10 cm (3.9 in): Days with 10 cm or more snowfall381619721
25 cm (9.8 in): Days with 25 cm or more snowfall13219681
50 cm (19.7 in): Days with 50 cm or more snowfall1119721

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1962.

Download the Data

  • Data for Hinckley 2 SW 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).