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Built 2026-10-19 (19 October 2026)

Prongua Threshold Days by Year (CA004046280)

6 fixed thresholds counted per year at Prongua (CA004046280): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Prongua Thresholds

  • Prongua: days with 10 mm (0.39 in) or more of precipitation in 25 years, most in 1944 with 14.
  • Prongua: days with 25 mm (0.98 in) or more of precipitation in 20 years, most in 1930 with 6.
  • Prongua: days with 10 cm (3.9 in) or more of snowfall in 20 years, most in 1948 with 6.
  • Prongua: days with 50 mm (1.97 in) or more of precipitation in 6 years, most in 1938 with 2.
  • 6 fixed thresholds have at least one qualifying day at Prongua.
25 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Prongua Days per year at Prongua with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 14 in 1944. 0510151928: 81929: 31930: 81931: 91932: 51933: 121934: 71935: 81936: 51937: 71938: 101939: 61940: 71941: 61942: 131943: 121944: 141945: 101946: 81947: 111948: 101949: 111950: 91951: 91952: 11192819311934193719401943194619491952
Days per year at Prongua with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 14 in 1944.
Days with 10 mm (0.39 in) or more of precipitation per year at Prongua
YearDaysDecade average
192885.5
192935.5
193087.7
193197.7
193257.7
1933127.7
193477.7
193587.7
193657.7
193777.7
1938107.7
193967.7
1940710.2
1941610.2
19421310.2
19431210.2
19441410.2
19451010.2
1946810.2
19471110.2
19481010.2
19491110.2
195099.7
195199.7
1952119.7
First to last qualifying date each year at Prongua For each year, a bar from the first to the last day at Prongua meeting 10 mm (0.39 in). 1928: 12 April 1928 to 16 August 19281929: 6 April 1929 to 18 June 19291930: 14 June 1930 to 16 October 19301931: 15 April 1931 to 20 September 19311932: 14 May 1932 to 21 August 19321933: 8 March 1933 to 19 December 19331934: 23 January 1934 to 31 July 19341935: 22 April 1935 to 29 October 19351936: 15 June 1936 to 1 December 19361937: 10 May 1937 to 25 November 19371938: 2 May 1938 to 9 December 19381939: 5 June 1939 to 21 December 19391940: 12 June 1940 to 7 November 19401941: 5 May 1941 to 12 September 19411942: 5 April 1942 to 9 December 19421943: 28 January 1943 to 30 October 19431944: 1 May 1944 to 29 September 19441945: 12 February 1945 to 5 November 19451946: 16 April 1946 to 17 November 19461947: 11 January 1947 to 21 October 19471948: 21 January 1948 to 26 November 19481949: 10 February 1949 to 15 December 19491950: 5 June 1950 to 6 October 19501951: 16 March 1951 to 11 December 19511952: 20 March 1952 to 7 December 19521928193219361940194419481952JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Prongua meeting 10 mm (0.39 in).
First to last qualifying date each year at Prongua
YearFirst dateLast date
19281928-04-121928-08-16
19291929-04-061929-06-18
19301930-06-141930-10-16
19311931-04-151931-09-20
19321932-05-141932-08-21
19331933-03-081933-12-19
19341934-01-231934-07-31
19351935-04-221935-10-29
19361936-06-151936-12-01
19371937-05-101937-11-25
19381938-05-021938-12-09
19391939-06-051939-12-21
19401940-06-121940-11-07
19411941-05-051941-09-12
19421942-04-051942-12-09
19431943-01-281943-10-30
19441944-05-011944-09-29
19451945-02-121945-11-05
19461946-04-161946-11-17
19471947-01-111947-10-21
19481948-01-211948-11-26
19491949-02-101949-12-15
19501950-06-051950-10-06
19511951-03-161951-12-11
19521952-03-201952-12-07

Every Fixed Threshold

Fixed thresholds at Prongua
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2514194411
25 mm (0.98 in): Days with 25 mm or more rain20619302
50 mm (1.97 in): Days with 50 mm or more rain6219382
10 cm (3.9 in): Days with 10 cm or more snowfall20619482
25 cm (9.8 in): Days with 25 cm or more snowfall5119291
50 cm (19.7 in): Days with 50 cm or more snowfall1119431

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1928.

Download the Data

  • Data for Prongua 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).