Built 2026-10-19 (19 October 2026)

Old Delamere Threshold Days by Year (ASN00014816)

4 fixed thresholds counted per year at Old Delamere (ASN00014816): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Old Delamere Thresholds

  • Old Delamere: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1968 with 36.
  • Old Delamere: days with 25 mm (0.98 in) or more of precipitation in 41 years, most in 1969 with 21.
  • Old Delamere: days with 50 mm (1.97 in) or more of precipitation in 35 years, most in 1969 with 8.
  • Old Delamere: days with 100 mm (3.94 in) or more of precipitation in 9 years, most in 2026 with 3.
  • 4 fixed thresholds have at least one qualifying day at Old Delamere.
41 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Old Delamere Days per year at Old Delamere with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1968. 0102030401885: 251886: 241887: 201929: 261930: 311931: 171932: 131934: 111935: 161936: 191937: 141938: 221939: 141940: 241941: 211942: 271943: 221944: 281964: 231966: 251967: 221968: 361969: 271970: 102004: 322005: 302011: 262012: 212013: 162014: 242015: 222016: 232017: 292018: 292019: 112020: 242021: 222023: 282024: 352025: 322026: 33188519311937194219672005201520202026
Days per year at Old Delamere with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1968.
Days with 10 mm (0.39 in) or more of precipitation per year at Old Delamere
YearDaysDecade average
18852523
18862423
18872023
19292626
19303117.4
19311717.4
19321317.4
19341117.4
19351617.4
19361917.4
19371417.4
19382217.4
19391417.4
19402424.4
19412124.4
19422724.4
19432224.4
19442824.4
19642326.6
19662526.6
19672226.6
19683626.6
19692726.6
19701010
20043231
20053031
20112622.3
20122122.3
20131622.3
20142422.3
20152222.3
20162322.3
20172922.3
20182922.3
20191122.3
20202429
20212229
20232829
20243529
20253229
20263329
First to last qualifying date each year at Old Delamere For each year, a bar from the first to the last day at Old Delamere meeting 10 mm (0.39 in). 1885: 25 January 1885 to 31 December 18851886: 10 January 1886 to 21 December 18861887: 19 January 1887 to 29 December 18871929: 6 January 1929 to 31 December 19291930: 1 January 1930 to 27 December 19301931: 17 January 1931 to 23 December 19311932: 16 January 1932 to 30 December 19321934: 1 January 1934 to 16 December 19341935: 3 January 1935 to 22 December 19351936: 3 January 1936 to 3 December 19361937: 2 January 1937 to 26 December 19371938: 4 January 1938 to 13 December 19381939: 5 January 1939 to 30 December 19391940: 6 January 1940 to 30 December 19401941: 3 January 1941 to 21 December 19411942: 5 January 1942 to 29 December 19421943: 5 January 1943 to 29 December 19431944: 2 January 1944 to 20 December 19441964: 1 January 1964 to 22 December 19641966: 5 January 1966 to 30 December 19661967: 19 January 1967 to 30 December 19671968: 4 January 1968 to 24 December 19681969: 9 January 1969 to 23 December 19691970: 8 February 1970 to 12 November 19702004: 2 January 2004 to 29 December 20042005: 1 January 2005 to 29 December 20052011: 11 January 2011 to 14 December 20112012: 20 January 2012 to 22 December 20122013: 9 January 2013 to 31 December 20132014: 15 January 2014 to 31 December 20142015: 1 January 2015 to 27 December 20152016: 13 January 2016 to 31 December 20162017: 1 January 2017 to 17 December 20172018: 2 January 2018 to 31 December 20182019: 4 January 2019 to 27 December 20192020: 4 February 2020 to 30 December 20202021: 15 January 2021 to 28 December 20212023: 15 January 2023 to 15 December 20232024: 2 January 2024 to 21 December 20242025: 4 January 2025 to 29 December 20252026: 2 January 2026 to 18 May 20261885193219391964200420152021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Old Delamere meeting 10 mm (0.39 in).
First to last qualifying date each year at Old Delamere
YearFirst dateLast date
18851885-01-251885-12-31
18861886-01-101886-12-21
18871887-01-191887-12-29
19291929-01-061929-12-31
19301930-01-011930-12-27
19311931-01-171931-12-23
19321932-01-161932-12-30
19341934-01-011934-12-16
19351935-01-031935-12-22
19361936-01-031936-12-03
19371937-01-021937-12-26
19381938-01-041938-12-13
19391939-01-051939-12-30
19401940-01-061940-12-30
19411941-01-031941-12-21
19421942-01-051942-12-29
19431943-01-051943-12-29
19441944-01-021944-12-20
19641964-01-011964-12-22
19661966-01-051966-12-30
19671967-01-191967-12-30
19681968-01-041968-12-24
19691969-01-091969-12-23
19701970-02-081970-11-12
20042004-01-022004-12-29
20052005-01-012005-12-29
20112011-01-112011-12-14
20122012-01-202012-12-22
20132013-01-092013-12-31
20142014-01-152014-12-31
20152015-01-012015-12-27
20162016-01-132016-12-31
20172017-01-012017-12-17
20182018-01-022018-12-31
20192019-01-042019-12-27
20202020-02-042020-12-30
20212021-01-152021-12-28
20232023-01-152023-12-15
20242024-01-022024-12-21
20252025-01-042025-12-29
20262026-01-022026-05-18

Every Fixed Threshold

Fixed thresholds at Old Delamere
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4136196833
25 mm (0.98 in): Days with 25 mm or more rain4121196918
50 mm (1.97 in): Days with 50 mm or more rain35819697
100 mm (3.94 in): Days with 100 mm or more rain9320263

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1885.

Download the Data

  • Data for Old Delamere 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 (2026-10-12).