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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Manchester Threshold Days by Year (USC00434882)

16 fixed thresholds counted per year at Manchester (USC00434882): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Manchester Thresholds

  • Manchester: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1956 with 51.
  • Manchester: days with 25 mm (0.98 in) or more of precipitation in 32 years, most in 1984 with 13.
  • Manchester: days with 50 mm (1.97 in) or more of precipitation in 17 years, most in 1966 with 4.
  • Manchester: days with 10 cm (3.9 in) or more of snowfall in 16 years, most in 1969 with 9.
  • 16 fixed thresholds have at least one qualifying day at Manchester.
8 years with a qualifying day
Days at or above 30 C (86 F) per year at Manchester Days per year at Manchester with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 18 in 1911. 051015201902: 11903: 21904: 11908: 41910: 11911: 181912: 81913: 719021903190419081910191119121913
Days per year at Manchester with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 18 in 1911.
Days at or above 30 C (86 F) per year at Manchester
YearDaysDecade average
190212
190322
190412
190842
191018.5
1911188.5
191288.5
191378.5
First to last qualifying date each year at Manchester For each year, a bar from the first to the last day at Manchester meeting 30 C (86 F). 1902: 14 July 1902 to 14 July 19021903: 9 July 1903 to 10 July 19031904: 19 July 1904 to 19 July 19041908: 7 July 1908 to 31 July 19081910: 10 July 1910 to 10 July 19101911: 11 May 1911 to 15 August 19111912: 3 July 1912 to 10 July 19121913: 1 July 1913 to 18 August 191319021903190419081910191119121913JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Manchester meeting 30 C (86 F).
First to last qualifying date each year at Manchester
YearFirst dateLast date
19021902-07-141902-07-14
19031903-07-091903-07-10
19041904-07-191904-07-19
19081908-07-071908-07-31
19101910-07-101910-07-10
19111911-05-111911-08-15
19121912-07-031912-07-10
19131913-07-011913-08-18

Every Fixed Threshold

Fixed thresholds at Manchester
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days81819117
35 C (95 F): Days1219112
90 F (32.2 C): Days3619112
0 C (32 F): Ice days (max1084190446
0 C (32 F): Frost days (min91821904138
-10 C (14 F): Days with min979190434
-20 C (-4 F): Days with min92219043
-30 C (-22 F): Days with min3119021
20 C (68 F): Tropical nights (min7719115
10 mm (0.39 in): Days with 10 mm or more rain3251195640
25 mm (0.98 in): Days with 25 mm or more rain3213198413
50 mm (1.97 in): Days with 50 mm or more rain17419663
100 mm (3.94 in): Days with 100 mm or more rain2119661
10 cm (3.9 in): Days with 10 cm or more snowfall16919699
25 cm (9.8 in): Days with 25 cm or more snowfall7319693
50 cm (19.7 in): Days with 50 cm or more snowfall1119841

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1902.

Download the Data

  • Data for Manchester 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).