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Built 2026-10-19 (19 October 2026)

Patan Threshold Days by Year (IN019080700)

5 fixed thresholds counted per year at Patan (IN019080700): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Patan Thresholds

  • Patan: days with 10 mm (0.39 in) or more of precipitation in 38 years, most in 1956 with 36.
  • Patan: days with 25 mm (0.98 in) or more of precipitation in 37 years, most in 1947 with 17.
  • Patan: days with 50 mm (1.97 in) or more of precipitation in 34 years, most in 1934 with 9.
  • Patan: days with 100 mm (3.94 in) or more of precipitation in 17 years, most in 1942 with 4.
  • 5 fixed thresholds have at least one qualifying day at Patan.
38 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Patan Days per year at Patan with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1956. 0102030401932: 141933: 241934: 261935: 261936: 71937: 201938: 131939: 101940: 141941: 61942: 231943: 251944: 221945: 331946: 281947: 241949: 151950: 231951: 161952: 271953: 201954: 281955: 331956: 361957: 191958: 241959: 331960: 221961: 271962: 251963: 241964: 181965: 141966: 171967: 221968: 141969: 231970: 231932193619401944194919531957196119651969
Days per year at Patan with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1956.
Days with 10 mm (0.39 in) or more of precipitation per year at Patan
YearDaysDecade average
19321417.5
19332417.5
19342617.5
19352617.5
1936717.5
19372017.5
19381317.5
19391017.5
19401421.1
1941621.1
19422321.1
19432521.1
19442221.1
19453321.1
19462821.1
19472421.1
19491521.1
19502325.9
19511625.9
19522725.9
19532025.9
19542825.9
19553325.9
19563625.9
19571925.9
19582425.9
19593325.9
19602220.6
19612720.6
19622520.6
19632420.6
19641820.6
19651420.6
19661720.6
19672220.6
19681420.6
19692320.6
19702323
First to last qualifying date each year at Patan For each year, a bar from the first to the last day at Patan meeting 10 mm (0.39 in). 1932: 24 March 1932 to 23 September 19321933: 12 April 1933 to 25 September 19331934: 23 June 1934 to 7 September 19341935: 26 June 1935 to 11 December 19351936: 25 June 1936 to 21 August 19361937: 21 June 1937 to 8 September 19371938: 2 June 1938 to 27 August 19381939: 5 June 1939 to 20 August 19391940: 31 May 1940 to 25 August 19401941: 9 June 1941 to 10 September 19411942: 16 January 1942 to 3 September 19421943: 13 June 1943 to 13 September 19431944: 16 June 1944 to 22 September 19441945: 19 May 1945 to 24 September 19451946: 22 February 1946 to 14 September 19461947: 28 June 1947 to 3 October 19471949: 28 June 1949 to 2 October 19491950: 4 July 1950 to 18 September 19501951: 9 June 1951 to 25 November 19511952: 14 June 1952 to 24 September 19521953: 6 January 1953 to 20 September 19531954: 4 February 1954 to 1 October 19541955: 21 June 1955 to 5 October 19551956: 21 June 1956 to 7 December 19561957: 9 January 1957 to 14 September 19571958: 4 July 1958 to 26 September 19581959: 27 May 1959 to 4 November 19591960: 16 June 1960 to 9 October 19601961: 29 January 1961 to 7 October 19611962: 8 May 1962 to 21 September 19621963: 7 April 1963 to 7 September 19631964: 24 June 1964 to 3 September 19641965: 4 July 1965 to 8 September 19651966: 15 June 1966 to 20 September 19661967: 25 March 1967 to 30 December 19671968: 13 June 1968 to 18 August 19681969: 7 July 1969 to 16 September 19691970: 19 February 1970 to 1 October 197019321937194219471953195819631968JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Patan meeting 10 mm (0.39 in).
First to last qualifying date each year at Patan
YearFirst dateLast date
19321932-03-241932-09-23
19331933-04-121933-09-25
19341934-06-231934-09-07
19351935-06-261935-12-11
19361936-06-251936-08-21
19371937-06-211937-09-08
19381938-06-021938-08-27
19391939-06-051939-08-20
19401940-05-311940-08-25
19411941-06-091941-09-10
19421942-01-161942-09-03
19431943-06-131943-09-13
19441944-06-161944-09-22
19451945-05-191945-09-24
19461946-02-221946-09-14
19471947-06-281947-10-03
19491949-06-281949-10-02
19501950-07-041950-09-18
19511951-06-091951-11-25
19521952-06-141952-09-24
19531953-01-061953-09-20
19541954-02-041954-10-01
19551955-06-211955-10-05
19561956-06-211956-12-07
19571957-01-091957-09-14
19581958-07-041958-09-26
19591959-05-271959-11-04
19601960-06-161960-10-09
19611961-01-291961-10-07
19621962-05-081962-09-21
19631963-04-071963-09-07
19641964-06-241964-09-03
19651965-07-041965-09-08
19661966-06-151966-09-20
19671967-03-251967-12-30
19681968-06-131968-08-18
19691969-07-071969-09-16
19701970-02-191970-10-01

Every Fixed Threshold

Fixed thresholds at Patan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3836195623
25 mm (0.98 in): Days with 25 mm or more rain3717194711
50 mm (1.97 in): Days with 50 mm or more rain34919342
100 mm (3.94 in): Days with 100 mm or more rain17419421
200 mm (7.87 in): Days with 200 mm or more rain1119451

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1932.

Download the Data

  • Data for Patan 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).