Built 2026-10-19 (19 October 2026)

Whalley Forest Nursery Threshold Days by Year (CA001108890)

14 fixed thresholds counted per year at Whalley Forest Nursery (CA001108890): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Whalley Forest Nursery Thresholds

  • Whalley Forest Nursery: nights with a minimum temperature at or below 0 C (32 F) in 25 years, most in 1982 with 94.
  • Whalley Forest Nursery: days with a maximum temperature at or below 0 C (32 F) in 23 years, most in 1969 with 18.
  • Whalley Forest Nursery: days with a maximum temperature at or above 30 C (86 F) in 22 years, most in 1971 with 14.
  • Whalley Forest Nursery: days with 10 cm (3.9 in) or more of snowfall in 20 years, most in 1971 with 10.
  • 14 fixed thresholds have at least one qualifying day at Whalley Forest Nursery.
22 years with a qualifying day
Days at or above 30 C (86 F) per year at Whalley Forest Nursery Days per year at Whalley Forest Nursery with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 14 in 1971. 0510151959: 51960: 91961: 101962: 21963: 41965: 71967: 111968: 31969: 71970: 61971: 141972: 81973: 81974: 41975: 41977: 91978: 71979: 51980: 11981: 81982: 81983: 319591962196719701973197719801983
Days per year at Whalley Forest Nursery with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 14 in 1971.
Days at or above 30 C (86 F) per year at Whalley Forest Nursery
YearDaysDecade average
195955
196096.6
1961106.6
196226.6
196346.6
196576.6
1967116.6
196836.6
196976.6
197067.2
1971147.2
197287.2
197387.2
197447.2
197547.2
197797.2
197877.2
197957.2
198015
198185
198285
198335
First to last qualifying date each year at Whalley Forest Nursery For each year, a bar from the first to the last day at Whalley Forest Nursery meeting 30 C (86 F). 1959: 13 May 1959 to 31 July 19591960: 6 July 1960 to 9 August 19601961: 17 June 1961 to 19 August 19611962: 23 July 1962 to 27 July 19621963: 20 May 1963 to 9 September 19631965: 24 July 1965 to 18 August 19651967: 18 June 1967 to 29 August 19671968: 2 July 1968 to 31 July 19681969: 23 May 1969 to 18 June 19691970: 1 June 1970 to 11 August 19701971: 11 May 1971 to 11 August 19711972: 28 May 1972 to 3 September 19721973: 14 May 1973 to 5 September 19731974: 28 August 1974 to 20 September 19741975: 4 July 1975 to 26 July 19751977: 4 August 1977 to 17 August 19771978: 3 June 1978 to 8 August 19781979: 9 July 1979 to 14 September 19791980: 10 August 1980 to 10 August 19801981: 6 August 1981 to 15 September 19811982: 18 June 1982 to 2 September 19821983: 28 May 1983 to 30 July 198319591962196719701973197719801983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Whalley Forest Nursery meeting 30 C (86 F).
First to last qualifying date each year at Whalley Forest Nursery
YearFirst dateLast date
19591959-05-131959-07-31
19601960-07-061960-08-09
19611961-06-171961-08-19
19621962-07-231962-07-27
19631963-05-201963-09-09
19651965-07-241965-08-18
19671967-06-181967-08-29
19681968-07-021968-07-31
19691969-05-231969-06-18
19701970-06-011970-08-11
19711971-05-111971-08-11
19721972-05-281972-09-03
19731973-05-141973-09-05
19741974-08-281974-09-20
19751975-07-041975-07-26
19771977-08-041977-08-17
19781978-06-031978-08-08
19791979-07-091979-09-14
19801980-08-101980-08-10
19811981-08-061981-09-15
19821982-06-181982-09-02
19831983-05-281983-07-30

Every Fixed Threshold

Fixed thresholds at Whalley Forest Nursery
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days221419713
35 C (95 F): Days6219832
90 F (32.2 C): Days19719713
0 C (32 F): Ice days (max231819695
0 C (32 F): Frost days (min2594198242
-10 C (14 F): Days with min191519694
-20 C (-4 F): Days with min2419694
20 C (68 F): Tropical nights (min2119601
10 mm (0.39 in): Days with 10 mm or more rain1564196147
25 mm (0.98 in): Days with 25 mm or more rain152119615
50 mm (1.97 in): Days with 50 mm or more rain13519611
100 mm (3.94 in): Days with 100 mm or more rain1119681
10 cm (3.9 in): Days with 10 cm or more snowfall201019714
25 cm (9.8 in): Days with 25 cm or more snowfall2119681

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.

Download the Data

  • Data for Whalley Forest Nursery 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).