Built 2026-10-19 (19 October 2026)

Potka Threshold Days by Year (IN004171400)

4 fixed thresholds counted per year at Potka (IN004171400): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Potka Thresholds

  • Potka: days with 10 mm (0.39 in) or more of precipitation in 19 years, most in 1941 with 49.
  • Potka: days with 25 mm (0.98 in) or more of precipitation in 19 years, most in 1939 with 27.
  • Potka: days with 50 mm (1.97 in) or more of precipitation in 17 years, most in 1939 with 14.
  • Potka: days with 100 mm (3.94 in) or more of precipitation in 11 years, most in 1953 with 4.
  • 4 fixed thresholds have at least one qualifying day at Potka.
19 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Potka Days per year at Potka with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 49 in 1941. 02040601937: 431938: 271939: 431940: 411941: 491942: 391943: 471952: 451953: 411955: 341956: 451957: 331958: 341959: 431966: 321967: 391968: 341969: 271970: 321937193919411943195319561958196619681970
Days per year at Potka with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 49 in 1941.
Days with 10 mm (0.39 in) or more of precipitation per year at Potka
YearDaysDecade average
19374337.7
19382737.7
19394337.7
19404144
19414944
19423944
19434744
19524539.3
19534139.3
19553439.3
19564539.3
19573339.3
19583439.3
19594339.3
19663233
19673933
19683433
19692733
19703232
First to last qualifying date each year at Potka For each year, a bar from the first to the last day at Potka meeting 10 mm (0.39 in). 1937: 18 February 1937 to 7 October 19371938: 9 January 1938 to 16 October 19381939: 22 February 1939 to 13 December 19391940: 6 February 1940 to 18 October 19401941: 30 January 1941 to 19 November 19411942: 22 February 1942 to 11 October 19421943: 17 January 1943 to 26 September 19431952: 23 February 1952 to 13 October 19521953: 21 January 1953 to 30 September 19531955: 3 May 1955 to 6 November 19551956: 31 January 1956 to 30 October 19561957: 9 January 1957 to 24 September 19571958: 25 February 1958 to 20 October 19581959: 1 April 1959 to 2 October 19591966: 29 May 1966 to 21 November 19661967: 7 January 1967 to 28 September 19671968: 15 January 1968 to 3 October 19681969: 18 April 1969 to 12 November 19691970: 2 March 1970 to 3 October 19701937194019431955195819671970JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Potka meeting 10 mm (0.39 in).
First to last qualifying date each year at Potka
YearFirst dateLast date
19371937-02-181937-10-07
19381938-01-091938-10-16
19391939-02-221939-12-13
19401940-02-061940-10-18
19411941-01-301941-11-19
19421942-02-221942-10-11
19431943-01-171943-09-26
19521952-02-231952-10-13
19531953-01-211953-09-30
19551955-05-031955-11-06
19561956-01-311956-10-30
19571957-01-091957-09-24
19581958-02-251958-10-20
19591959-04-011959-10-02
19661966-05-291966-11-21
19671967-01-071967-09-28
19681968-01-151968-10-03
19691969-04-181969-11-12
19701970-03-021970-10-03

Every Fixed Threshold

Fixed thresholds at Potka
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1949194132
25 mm (0.98 in): Days with 25 mm or more rain192719399
50 mm (1.97 in): Days with 50 mm or more rain171419394
100 mm (3.94 in): Days with 100 mm or more rain11419531

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1937.

Download the Data

  • Data for Potka 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).