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Built 2026-10-19 (19 October 2026)

Ardlethan Post Office Threshold Days by Year (ASN00074000)

4 fixed thresholds counted per year at Ardlethan Post Office (ASN00074000): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ardlethan Post Office Thresholds

  • Ardlethan Post Office: days with 10 mm (0.39 in) or more of precipitation in 80 years, most in 1939 with 26.
  • Ardlethan Post Office: days with 25 mm (0.98 in) or more of precipitation in 75 years, most in 2021 with 9.
  • Ardlethan Post Office: days with 50 mm (1.97 in) or more of precipitation in 30 years, most in 1928 with 2.
  • Ardlethan Post Office: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1928 with 1.
  • 4 fixed thresholds have at least one qualifying day at Ardlethan Post Office.
80 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Ardlethan Post Office Days per year at Ardlethan Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1939. 01020301910: 141911: 171915: 111916: 241917: 161918: 121919: 61920: 191921: 201922: 91923: 141924: 131925: 161926: 131927: 71928: 181929: 121930: 141931: 191932: 151933: 131934: 211935: 101936: 141937: 111938: 111939: 261940: 61941: 141942: 181943: 91944: 91945: 131946: 81947: 161948: 151949: 161950: 231951: 91952: 171953: 131954: 151955: 191956: 261957: 101958: 171959: 161960: 141961: 151962: 141963: 161971: 101972: 91973: 161974: 201975: 81976: 81979: 111982: 21994: 111995: 181996: 171997: 141998: 182004: 82005: 102007: 92009: 72010: 232013: 122017: 92018: 52019: 72020: 192021: 262022: 222023: 152024: 162025: 62026: 121910192119291937194519531961197620042019
Days per year at Ardlethan Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1939.
Days with 10 mm (0.39 in) or more of precipitation per year at Ardlethan Post Office
YearDaysDecade average
19101414.3
19111714.3
19151114.3
19162414.3
19171614.3
19181214.3
1919614.3
19201914.1
19212014.1
1922914.1
19231414.1
19241314.1
19251614.1
19261314.1
1927714.1
19281814.1
19291214.1
19301415.4
19311915.4
19321515.4
19331315.4
19342115.4
19351015.4
19361415.4
19371115.4
19381115.4
19392615.4
1940612.4
19411412.4
19421812.4
1943912.4
1944912.4
19451312.4
1946812.4
19471612.4
19481512.4
19491612.4
19502316.5
1951916.5
19521716.5
19531316.5
19541516.5
19551916.5
19562616.5
19571016.5
19581716.5
19591616.5
19601414.8
19611514.8
19621414.8
19631614.8
19711011.7
1972911.7
19731611.7
19742011.7
1975811.7
1976811.7
19791111.7
198222
19941115.6
19951815.6
19961715.6
19971415.6
19981815.6
200488.5
2005108.5
200798.5
200978.5
20102311.2
20131211.2
2017911.2
2018511.2
2019711.2
20201916.6
20212616.6
20222216.6
20231516.6
20241616.6
2025616.6
20261216.6
First to last qualifying date each year at Ardlethan Post Office For each year, a bar from the first to the last day at Ardlethan Post Office meeting 10 mm (0.39 in). 1910: 11 January 1910 to 9 December 19101911: 6 January 1911 to 5 December 19111915: 14 May 1915 to 23 October 19151916: 29 January 1916 to 9 December 19161917: 12 January 1917 to 22 November 19171918: 11 January 1918 to 16 August 19181919: 18 February 1919 to 28 December 19191920: 7 March 1920 to 28 December 19201921: 10 January 1921 to 26 December 19211922: 13 January 1922 to 7 December 19221923: 14 January 1923 to 27 December 19231924: 6 February 1924 to 15 December 19241925: 13 January 1925 to 19 November 19251926: 5 January 1926 to 27 December 19261927: 27 January 1927 to 27 October 19271928: 18 January 1928 to 24 August 19281929: 18 February 1929 to 28 December 19291930: 12 May 1930 to 17 December 19301931: 2 January 1931 to 16 November 19311932: 8 February 1932 to 16 December 19321933: 23 January 1933 to 27 December 19331934: 8 January 1934 to 30 November 19341935: 5 January 1935 to 3 December 19351936: 5 January 1936 to 16 December 19361937: 1 January 1937 to 18 October 19371938: 5 February 1938 to 28 November 19381939: 27 February 1939 to 21 November 19391940: 4 April 1940 to 30 December 19401941: 2 January 1941 to 6 October 19411942: 1 February 1942 to 21 December 19421943: 4 January 1943 to 18 November 19431944: 6 March 1944 to 13 December 19441945: 15 January 1945 to 29 October 19451946: 18 January 1946 to 19 November 19461947: 5 February 1947 to 21 December 19471948: 2 January 1948 to 30 December 19481949: 26 January 1949 to 20 December 19491950: 18 January 1950 to 21 December 19501951: 24 May 1951 to 27 November 19511952: 20 March 1952 to 27 November 19521953: 6 January 1953 to 6 November 19531954: 29 January 1954 to 13 December 19541955: 11 February 1955 to 25 December 19551956: 20 January 1956 to 27 October 19561957: 7 February 1957 to 31 December 19571958: 31 January 1958 to 16 December 19581959: 27 January 1959 to 26 November 19591960: 5 January 1960 to 5 December 19601961: 2 January 1961 to 15 December 19611962: 18 January 1962 to 21 November 19621963: 4 January 1963 to 10 December 19631971: 15 January 1971 to 29 December 19711972: 13 January 1972 to 25 November 19721973: 13 January 1973 to 28 November 19731974: 5 January 1974 to 27 November 19741975: 12 February 1975 to 24 October 19751976: 13 January 1976 to 24 December 19761979: 16 March 1979 to 23 October 19791982: 17 March 1982 to 24 March 19821994: 31 January 1994 to 9 December 19941995: 5 January 1995 to 18 December 19951996: 2 January 1996 to 30 December 19961997: 16 January 1997 to 13 December 19971998: 2 January 1998 to 12 November 19982004: 23 February 2004 to 19 November 20042005: 3 February 2005 to 3 December 20052007: 19 January 2007 to 22 December 20072009: 12 February 2009 to 31 December 20092010: 4 February 2010 to 8 December 20102013: 29 January 2013 to 12 November 20132017: 21 January 2017 to 30 December 20172018: 9 June 2018 to 13 November 20182019: 9 January 2019 to 4 November 20192020: 9 February 2020 to 23 November 20202021: 4 January 2021 to 12 December 20212022: 7 January 2022 to 31 December 20222023: 29 January 2023 to 11 December 20232024: 2 January 2024 to 4 December 20242025: 14 February 2025 to 22 December 20252026: 8 February 2026 to 26 August 202619101923193319431953196319952017JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ardlethan Post Office meeting 10 mm (0.39 in).
First to last qualifying date each year at Ardlethan Post Office
YearFirst dateLast date
19101910-01-111910-12-09
19111911-01-061911-12-05
19151915-05-141915-10-23
19161916-01-291916-12-09
19171917-01-121917-11-22
19181918-01-111918-08-16
19191919-02-181919-12-28
19201920-03-071920-12-28
19211921-01-101921-12-26
19221922-01-131922-12-07
19231923-01-141923-12-27
19241924-02-061924-12-15
19251925-01-131925-11-19
19261926-01-051926-12-27
19271927-01-271927-10-27
19281928-01-181928-08-24
19291929-02-181929-12-28
19301930-05-121930-12-17
19311931-01-021931-11-16
19321932-02-081932-12-16
19331933-01-231933-12-27
19341934-01-081934-11-30
19351935-01-051935-12-03
19361936-01-051936-12-16
19371937-01-011937-10-18
19381938-02-051938-11-28
19391939-02-271939-11-21
19401940-04-041940-12-30
19411941-01-021941-10-06
19421942-02-011942-12-21
19431943-01-041943-11-18
19441944-03-061944-12-13
19451945-01-151945-10-29
19461946-01-181946-11-19
19471947-02-051947-12-21
19481948-01-021948-12-30
19491949-01-261949-12-20
19501950-01-181950-12-21
19511951-05-241951-11-27
19521952-03-201952-11-27
19531953-01-061953-11-06
19541954-01-291954-12-13
19551955-02-111955-12-25
19561956-01-201956-10-27
19571957-02-071957-12-31
19581958-01-311958-12-16
19591959-01-271959-11-26
19601960-01-051960-12-05
19611961-01-021961-12-15
19621962-01-181962-11-21
19631963-01-041963-12-10
19711971-01-151971-12-29
19721972-01-131972-11-25
19731973-01-131973-11-28
19741974-01-051974-11-27
19751975-02-121975-10-24
19761976-01-131976-12-24
19791979-03-161979-10-23
19821982-03-171982-03-24
19941994-01-311994-12-09
19951995-01-051995-12-18
19961996-01-021996-12-30
19971997-01-161997-12-13
19981998-01-021998-11-12
20042004-02-232004-11-19
20052005-02-032005-12-03
20072007-01-192007-12-22
20092009-02-122009-12-31
20102010-02-042010-12-08
20132013-01-292013-11-12
20172017-01-212017-12-30
20182018-06-092018-11-13
20192019-01-092019-11-04
20202020-02-092020-11-23
20212021-01-042021-12-12
20222022-01-072022-12-31
20232023-01-292023-12-11
20242024-01-022024-12-04
20252025-02-142025-12-22
20262026-02-082026-08-26

Every Fixed Threshold

Fixed thresholds at Ardlethan Post Office
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain8026193912
25 mm (0.98 in): Days with 25 mm or more rain75920211
50 mm (1.97 in): Days with 50 mm or more rain30219281
100 mm (3.94 in): Days with 100 mm or more rain1119281

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1910.

Download the Data

  • Data for Ardlethan Post Office 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).