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Built 2026-10-19 (19 October 2026)

Yimkin Threshold Days by Year (ASN00048088)

4 fixed thresholds counted per year at Yimkin (ASN00048088): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Yimkin Thresholds

  • Yimkin: days with 10 mm (0.39 in) or more of precipitation in 48 years, most in 1950 with 30.
  • Yimkin: days with 25 mm (0.98 in) or more of precipitation in 43 years, most in 1936 with 10.
  • Yimkin: days with 50 mm (1.97 in) or more of precipitation in 21 years, most in 1956 with 3.
  • Yimkin: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1955 with 1.
  • 4 fixed thresholds have at least one qualifying day at Yimkin.
48 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Yimkin Days per year at Yimkin with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 30 in 1950. 01020301923: 81924: 161925: 121926: 71927: 71928: 141929: 61930: 171931: 181932: 121933: 121934: 111935: 71936: 191937: 41938: 81939: 161940: 61941: 91942: 131943: 51944: 61945: 71946: 61947: 191948: 111949: 171950: 301951: 81952: 131953: 101954: 91955: 181956: 231957: 41958: 111959: 111960: 91961: 111962: 161963: 171964: 91965: 61967: 81968: 161969: 121970: 101971: 91923192819331938194319481953195819631969
Days per year at Yimkin with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 30 in 1950.
Days with 10 mm (0.39 in) or more of precipitation per year at Yimkin
YearDaysDecade average
1923810
19241610
19251210
1926710
1927710
19281410
1929610
19301712.4
19311812.4
19321212.4
19331212.4
19341112.4
1935712.4
19361912.4
1937412.4
1938812.4
19391612.4
194069.9
194199.9
1942139.9
194359.9
194469.9
194579.9
194669.9
1947199.9
1948119.9
1949179.9
19503013.7
1951813.7
19521313.7
19531013.7
1954913.7
19551813.7
19562313.7
1957413.7
19581113.7
19591113.7
1960911.6
19611111.6
19621611.6
19631711.6
1964911.6
1965611.6
1967811.6
19681611.6
19691211.6
1970109.5
197199.5
First to last qualifying date each year at Yimkin For each year, a bar from the first to the last day at Yimkin meeting 10 mm (0.39 in). 1923: 23 April 1923 to 25 December 19231924: 3 February 1924 to 15 December 19241925: 15 January 1925 to 31 December 19251926: 24 March 1926 to 30 September 19261927: 6 January 1927 to 21 December 19271928: 13 February 1928 to 11 December 19281929: 20 February 1929 to 28 December 19291930: 24 January 1930 to 17 December 19301931: 14 March 1931 to 4 December 19311932: 8 February 1932 to 2 December 19321933: 1 May 1933 to 3 December 19331934: 22 February 1934 to 22 November 19341935: 5 January 1935 to 21 October 19351936: 6 January 1936 to 19 December 19361937: 1 January 1937 to 17 August 19371938: 5 February 1938 to 16 November 19381939: 26 January 1939 to 16 November 19391940: 12 April 1940 to 29 December 19401941: 2 January 1941 to 24 December 19411942: 17 February 1942 to 31 December 19421943: 22 January 1943 to 19 November 19431944: 7 February 1944 to 23 August 19441945: 31 January 1945 to 19 December 19451946: 18 January 1946 to 29 December 19461947: 14 February 1947 to 25 December 19471948: 2 May 1948 to 30 December 19481949: 25 January 1949 to 20 December 19491950: 19 January 1950 to 2 December 19501951: 18 April 1951 to 27 November 19511952: 25 February 1952 to 27 December 19521953: 6 January 1953 to 5 November 19531954: 9 February 1954 to 12 December 19541955: 25 January 1955 to 19 December 19551956: 20 January 1956 to 30 October 19561957: 11 February 1957 to 30 December 19571958: 31 January 1958 to 10 November 19581959: 1 January 1959 to 9 October 19591960: 29 January 1960 to 22 November 19601961: 3 January 1961 to 18 December 19611962: 11 January 1962 to 31 December 19621963: 4 January 1963 to 10 December 19631964: 14 January 1964 to 30 October 19641965: 22 June 1965 to 15 December 19651967: 19 February 1967 to 6 November 19671968: 5 January 1968 to 25 December 19681969: 15 March 1969 to 30 October 19691970: 15 March 1970 to 19 December 19701971: 19 January 1971 to 28 July 197119231929193519411947195319591965JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Yimkin meeting 10 mm (0.39 in).
First to last qualifying date each year at Yimkin
YearFirst dateLast date
19231923-04-231923-12-25
19241924-02-031924-12-15
19251925-01-151925-12-31
19261926-03-241926-09-30
19271927-01-061927-12-21
19281928-02-131928-12-11
19291929-02-201929-12-28
19301930-01-241930-12-17
19311931-03-141931-12-04
19321932-02-081932-12-02
19331933-05-011933-12-03
19341934-02-221934-11-22
19351935-01-051935-10-21
19361936-01-061936-12-19
19371937-01-011937-08-17
19381938-02-051938-11-16
19391939-01-261939-11-16
19401940-04-121940-12-29
19411941-01-021941-12-24
19421942-02-171942-12-31
19431943-01-221943-11-19
19441944-02-071944-08-23
19451945-01-311945-12-19
19461946-01-181946-12-29
19471947-02-141947-12-25
19481948-05-021948-12-30
19491949-01-251949-12-20
19501950-01-191950-12-02
19511951-04-181951-11-27
19521952-02-251952-12-27
19531953-01-061953-11-05
19541954-02-091954-12-12
19551955-01-251955-12-19
19561956-01-201956-10-30
19571957-02-111957-12-30
19581958-01-311958-11-10
19591959-01-011959-10-09
19601960-01-291960-11-22
19611961-01-031961-12-18
19621962-01-111962-12-31
19631963-01-041963-12-10
19641964-01-141964-10-30
19651965-06-221965-12-15
19671967-02-191967-11-06
19681968-01-051968-12-25
19691969-03-151969-10-30
19701970-03-151970-12-19
19711971-01-191971-07-28

Every Fixed Threshold

Fixed thresholds at Yimkin
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain483019509
25 mm (0.98 in): Days with 25 mm or more rain431019361
50 mm (1.97 in): Days with 50 mm or more rain21319561
100 mm (3.94 in): Days with 100 mm or more rain1119551

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 Yimkin 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).