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

Aiyansh Threshold Days by Year (CA001070150)

6 fixed thresholds counted per year at Aiyansh (CA001070150): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Aiyansh Thresholds

  • Aiyansh: days with 10 cm (3.9 in) or more of snowfall in 44 years, most in 1947 with 27.
  • Aiyansh: days with 10 mm (0.39 in) or more of precipitation in 42 years, most in 1956 with 53.
  • Aiyansh: days with 25 mm (0.98 in) or more of precipitation in 41 years, most in 1961 with 17.
  • Aiyansh: days with 25 cm (9.8 in) or more of snowfall in 29 years, most in 1947 with 8.
  • 6 fixed thresholds have at least one qualifying day at Aiyansh.
42 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Aiyansh Days per year at Aiyansh with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 53 in 1956. 02040601924: 231925: 401926: 331927: 291928: 291929: 371930: 321931: 221934: 431935: 281936: 501937: 281938: 181939: 301940: 261941: 311942: 211943: 191944: 101945: 201946: 361947: 461948: 331949: 501950: 321951: 431952: 351953: 441954: 321955: 321956: 531957: 321961: 361962: 321963: 281964: 281965: 311966: 391967: 291968: 261969: 261970: 15192419291936194119461951195619641969
Days per year at Aiyansh with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 53 in 1956.
Days with 10 mm (0.39 in) or more of precipitation per year at Aiyansh
YearDaysDecade average
19242331.8
19254031.8
19263331.8
19272931.8
19282931.8
19293731.8
19303231.4
19312231.4
19344331.4
19352831.4
19365031.4
19372831.4
19381831.4
19393031.4
19402629.2
19413129.2
19422129.2
19431929.2
19441029.2
19452029.2
19463629.2
19474629.2
19483329.2
19495029.2
19503237.9
19514337.9
19523537.9
19534437.9
19543237.9
19553237.9
19565337.9
19573237.9
19613630.6
19623230.6
19632830.6
19642830.6
19653130.6
19663930.6
19672930.6
19682630.6
19692630.6
19701515
First to last qualifying date each year at Aiyansh For each year, a bar from the first to the last day at Aiyansh meeting 10 mm (0.39 in). 1924: 4 January 1924 to 10 December 19241925: 3 January 1925 to 31 December 19251926: 5 January 1926 to 31 December 19261927: 16 January 1927 to 18 December 19271928: 3 January 1928 to 23 December 19281929: 1 January 1929 to 31 December 19291930: 30 January 1930 to 27 December 19301931: 7 January 1931 to 15 December 19311934: 2 January 1934 to 30 December 19341935: 4 January 1935 to 23 December 19351936: 2 January 1936 to 28 December 19361937: 2 January 1937 to 29 December 19371938: 11 January 1938 to 29 December 19381939: 6 January 1939 to 18 December 19391940: 5 January 1940 to 24 December 19401941: 10 January 1941 to 10 December 19411942: 12 January 1942 to 23 December 19421943: 6 January 1943 to 3 December 19431944: 6 January 1944 to 30 December 19441945: 5 January 1945 to 5 December 19451946: 4 January 1946 to 25 December 19461947: 3 January 1947 to 29 December 19471948: 2 January 1948 to 30 December 19481949: 4 January 1949 to 25 December 19491950: 2 January 1950 to 28 December 19501951: 5 January 1951 to 28 December 19511952: 2 January 1952 to 13 December 19521953: 2 January 1953 to 30 December 19531954: 2 January 1954 to 30 December 19541955: 2 January 1955 to 21 December 19551956: 15 January 1956 to 26 December 19561957: 15 February 1957 to 25 December 19571961: 2 January 1961 to 27 December 19611962: 1 January 1962 to 31 December 19621963: 4 January 1963 to 30 December 19631964: 11 January 1964 to 30 November 19641965: 7 January 1965 to 10 December 19651966: 13 January 1966 to 28 December 19661967: 6 January 1967 to 21 December 19671968: 12 January 1968 to 28 November 19681969: 2 February 1969 to 28 December 19691970: 6 January 1970 to 28 November 19701924193019381944195019561965JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Aiyansh meeting 10 mm (0.39 in).
First to last qualifying date each year at Aiyansh
YearFirst dateLast date
19241924-01-041924-12-10
19251925-01-031925-12-31
19261926-01-051926-12-31
19271927-01-161927-12-18
19281928-01-031928-12-23
19291929-01-011929-12-31
19301930-01-301930-12-27
19311931-01-071931-12-15
19341934-01-021934-12-30
19351935-01-041935-12-23
19361936-01-021936-12-28
19371937-01-021937-12-29
19381938-01-111938-12-29
19391939-01-061939-12-18
19401940-01-051940-12-24
19411941-01-101941-12-10
19421942-01-121942-12-23
19431943-01-061943-12-03
19441944-01-061944-12-30
19451945-01-051945-12-05
19461946-01-041946-12-25
19471947-01-031947-12-29
19481948-01-021948-12-30
19491949-01-041949-12-25
19501950-01-021950-12-28
19511951-01-051951-12-28
19521952-01-021952-12-13
19531953-01-021953-12-30
19541954-01-021954-12-30
19551955-01-021955-12-21
19561956-01-151956-12-26
19571957-02-151957-12-25
19611961-01-021961-12-27
19621962-01-011962-12-31
19631963-01-041963-12-30
19641964-01-111964-11-30
19651965-01-071965-12-10
19661966-01-131966-12-28
19671967-01-061967-12-21
19681968-01-121968-11-28
19691969-02-021969-12-28
19701970-01-061970-11-28

Every Fixed Threshold

Fixed thresholds at Aiyansh
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4253195615
25 mm (0.98 in): Days with 25 mm or more rain411719611
50 mm (1.97 in): Days with 50 mm or more rain18319351
10 cm (3.9 in): Days with 10 cm or more snowfall442719473
25 cm (9.8 in): Days with 25 cm or more snowfall29819472
50 cm (19.7 in): Days with 50 cm or more snowfall5219471

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1924.

Download the Data

  • Data for Aiyansh 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).