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Built 2026-10-18 (18 October 2026)

Tunnack Post Office Threshold Days by Year

4 fixed thresholds counted per year at Tunnack Post Office (ASN00094067): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tunnack Post Office Thresholds

  • Tunnack Post Office: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1974 with 29.
  • Tunnack Post Office: days with 25 mm (0.98 in) or more of precipitation in 32 years, most in 1970 with 10.
  • Tunnack Post Office: days with 50 mm (1.97 in) or more of precipitation in 20 years, most in 1960 with 3.
  • Tunnack Post Office: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1960 with 1.
  • 4 fixed thresholds have at least one qualifying day at Tunnack Post Office.
32 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Tunnack Post Office Days per year at Tunnack Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 1974. 01020301923: 201924: 181931: 221934: 191935: 261936: 111937: 191938: 211942: 141951: 131960: 281962: 131963: 101964: 201965: 161966: 191967: 131968: 111969: 211970: 281971: 201972: 91973: 231974: 291975: 221976: 231977: 161978: 181981: 131982: 81983: 151984: 2119231935194219631967197119751981
Days per year at Tunnack Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 1974.
Days with 10 mm (0.39 in) or more of precipitation per year at Tunnack Post Office
YearDaysDecade average
19232019
19241819
19312219.7
19341919.7
19352619.7
19361119.7
19371919.7
19382119.7
19421414
19511313
19602816.8
19621316.8
19631016.8
19642016.8
19651616.8
19661916.8
19671316.8
19681116.8
19692116.8
19702820.9
19712020.9
1972920.9
19732320.9
19742920.9
19752220.9
19762320.9
19771620.9
19781820.9
19811314.3
1982814.3
19831514.3
19842114.3
First to last qualifying date each year at Tunnack Post Office For each year, a bar from the first to the last day at Tunnack Post Office meeting 10 mm (0.39 in). 1923: 5 January 1923 to 5 December 19231924: 27 January 1924 to 9 November 19241931: 15 February 1931 to 15 December 19311934: 9 January 1934 to 30 December 19341935: 4 January 1935 to 24 December 19351936: 4 January 1936 to 23 December 19361937: 3 January 1937 to 18 December 19371938: 2 January 1938 to 11 December 19381942: 11 January 1942 to 27 November 19421951: 23 February 1951 to 14 December 19511960: 9 January 1960 to 15 December 19601962: 14 February 1962 to 21 October 19621963: 17 January 1963 to 23 November 19631964: 7 February 1964 to 26 December 19641965: 11 January 1965 to 4 December 19651966: 5 February 1966 to 21 October 19661967: 27 May 1967 to 19 December 19671968: 27 February 1968 to 24 December 19681969: 15 January 1969 to 20 December 19691970: 3 January 1970 to 31 December 19701971: 1 January 1971 to 2 December 19711972: 10 January 1972 to 6 October 19721973: 13 January 1973 to 31 December 19731974: 17 January 1974 to 28 December 19741975: 11 January 1975 to 3 December 19751976: 15 January 1976 to 24 December 19761977: 17 January 1977 to 30 November 19771978: 27 January 1978 to 27 December 19781981: 19 January 1981 to 28 December 19811982: 7 January 1982 to 8 December 19821983: 27 January 1983 to 13 December 19831984: 14 March 1984 to 26 December 198419231935194219631967197119751981JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tunnack Post Office meeting 10 mm (0.39 in).
First to last qualifying date each year at Tunnack Post Office
YearFirst dateLast date
19231923-01-051923-12-05
19241924-01-271924-11-09
19311931-02-151931-12-15
19341934-01-091934-12-30
19351935-01-041935-12-24
19361936-01-041936-12-23
19371937-01-031937-12-18
19381938-01-021938-12-11
19421942-01-111942-11-27
19511951-02-231951-12-14
19601960-01-091960-12-15
19621962-02-141962-10-21
19631963-01-171963-11-23
19641964-02-071964-12-26
19651965-01-111965-12-04
19661966-02-051966-10-21
19671967-05-271967-12-19
19681968-02-271968-12-24
19691969-01-151969-12-20
19701970-01-031970-12-31
19711971-01-011971-12-02
19721972-01-101972-10-06
19731973-01-131973-12-31
19741974-01-171974-12-28
19751975-01-111975-12-03
19761976-01-151976-12-24
19771977-01-171977-11-30
19781978-01-271978-12-27
19811981-01-191981-12-28
19821982-01-071982-12-08
19831983-01-271983-12-13
19841984-03-141984-12-26

Every Fixed Threshold

Fixed thresholds at Tunnack Post Office
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3229197421
25 mm (0.98 in): Days with 25 mm or more rain321019707
50 mm (1.97 in): Days with 50 mm or more rain20319602
100 mm (3.94 in): Days with 100 mm or more rain2119601

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1923.

Download the Data

  • Data for Tunnack 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).