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

Perkit Threshold Days by Year (IN001171300)

5 fixed thresholds counted per year at Perkit (IN001171300): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Perkit Thresholds

  • Perkit: days with 10 mm (0.39 in) or more of precipitation in 25 years, most in 1963 with 45.
  • Perkit: days with 25 mm (0.98 in) or more of precipitation in 25 years, most in 1962 with 19.
  • Perkit: days with 50 mm (1.97 in) or more of precipitation in 20 years, most in 1937 with 7.
  • Perkit: days with 100 mm (3.94 in) or more of precipitation in 5 years, most in 1970 with 2.
  • 5 fixed thresholds have at least one qualifying day at Perkit.
25 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Perkit Days per year at Perkit with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 45 in 1963. 02040601936: 371937: 291938: 391939: 171940: 341941: 171943: 261944: 311945: 331946: 331947: 231948: 331949: 381950: 201951: 361952: 231953: 381954: 311955: 341956: 351962: 401963: 451964: 261969: 331970: 30193619391943194619491952195519631970
Days per year at Perkit with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 45 in 1963.
Days with 10 mm (0.39 in) or more of precipitation per year at Perkit
YearDaysDecade average
19363730.5
19372930.5
19383930.5
19391730.5
19403429.8
19411729.8
19432629.8
19443129.8
19453329.8
19463329.8
19472329.8
19483329.8
19493829.8
19502031
19513631
19522331
19533831
19543131
19553431
19563531
19624036
19634536
19642636
19693336
19703030
First to last qualifying date each year at Perkit For each year, a bar from the first to the last day at Perkit meeting 10 mm (0.39 in). 1936: 5 February 1936 to 26 December 19361937: 19 March 1937 to 29 September 19371938: 23 February 1938 to 9 October 19381939: 15 June 1939 to 1 November 19391940: 15 April 1940 to 15 November 19401941: 5 June 1941 to 16 September 19411943: 10 January 1943 to 12 October 19431944: 15 March 1944 to 30 October 19441945: 5 June 1945 to 13 November 19451946: 16 February 1946 to 10 November 19461947: 22 February 1947 to 28 September 19471948: 8 June 1948 to 28 November 19481949: 8 March 1949 to 29 October 19491950: 21 February 1950 to 14 October 19501951: 29 March 1951 to 3 October 19511952: 5 June 1952 to 20 October 19521953: 16 April 1953 to 27 October 19531954: 11 April 1954 to 28 September 19541955: 8 June 1955 to 26 September 19551956: 20 May 1956 to 31 October 19561962: 23 February 1962 to 15 November 19621963: 28 April 1963 to 24 October 19631964: 27 June 1964 to 29 September 19641969: 25 June 1969 to 9 November 19691970: 21 January 1970 to 30 September 19701936194019451949195319621970JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Perkit meeting 10 mm (0.39 in).
First to last qualifying date each year at Perkit
YearFirst dateLast date
19361936-02-051936-12-26
19371937-03-191937-09-29
19381938-02-231938-10-09
19391939-06-151939-11-01
19401940-04-151940-11-15
19411941-06-051941-09-16
19431943-01-101943-10-12
19441944-03-151944-10-30
19451945-06-051945-11-13
19461946-02-161946-11-10
19471947-02-221947-09-28
19481948-06-081948-11-28
19491949-03-081949-10-29
19501950-02-211950-10-14
19511951-03-291951-10-03
19521952-06-051952-10-20
19531953-04-161953-10-27
19541954-04-111954-09-28
19551955-06-081955-09-26
19561956-05-201956-10-31
19621962-02-231962-11-15
19631963-04-281963-10-24
19641964-06-271964-09-29
19691969-06-251969-11-09
19701970-01-211970-09-30

Every Fixed Threshold

Fixed thresholds at Perkit
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2545196330
25 mm (0.98 in): Days with 25 mm or more rain2519196213
50 mm (1.97 in): Days with 50 mm or more rain20719375
100 mm (3.94 in): Days with 100 mm or more rain5219702
200 mm (7.87 in): Days with 200 mm or more rain1219702

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1936.

Download the Data

  • Data for Perkit 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).