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

Prospect Threshold Days by Year

3 fixed thresholds counted per year at Prospect (ASN00023017): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Prospect Thresholds

  • Prospect: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1951 with 21.
  • Prospect: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 1941 with 5.
  • Prospect: days with 50 mm (1.97 in) or more of precipitation in 11 years, most in 1934 with 1.
  • 3 fixed thresholds have at least one qualifying day at Prospect.
40 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Prospect Days per year at Prospect with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 1951. 01020301932: 121933: 161934: 121935: 151936: 91937: 181938: 91939: 181940: 91941: 131942: 181943: 111944: 101945: 101946: 171947: 131948: 111949: 91950: 121951: 211952: 151953: 181954: 111955: 191956: 211957: 101958: 131959: 71960: 161961: 71962: 91963: 181964: 141965: 61966: 111967: 41968: 141969: 131970: 101971: 151932193619401944194819521956196019641968
Days per year at Prospect with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 1951.
Days with 10 mm (0.39 in) or more of precipitation per year at Prospect
YearDaysDecade average
19321213.6
19331613.6
19341213.6
19351513.6
1936913.6
19371813.6
1938913.6
19391813.6
1940912.1
19411312.1
19421812.1
19431112.1
19441012.1
19451012.1
19461712.1
19471312.1
19481112.1
1949912.1
19501214.7
19512114.7
19521514.7
19531814.7
19541114.7
19551914.7
19562114.7
19571014.7
19581314.7
1959714.7
19601611.2
1961711.2
1962911.2
19631811.2
19641411.2
1965611.2
19661111.2
1967411.2
19681411.2
19691311.2
19701012.5
19711512.5
First to last qualifying date each year at Prospect For each year, a bar from the first to the last day at Prospect meeting 10 mm (0.39 in). 1932: 5 February 1932 to 12 October 19321933: 20 January 1933 to 20 September 19331934: 12 April 1934 to 9 December 19341935: 14 March 1935 to 23 December 19351936: 2 January 1936 to 17 December 19361937: 19 January 1937 to 11 December 19371938: 20 February 1938 to 28 August 19381939: 4 January 1939 to 15 November 19391940: 5 January 1940 to 19 December 19401941: 24 January 1941 to 19 November 19411942: 20 January 1942 to 5 November 19421943: 17 February 1943 to 17 December 19431944: 9 March 1944 to 21 December 19441945: 10 January 1945 to 17 December 19451946: 17 January 1946 to 25 December 19461947: 9 February 1947 to 23 December 19471948: 11 April 1948 to 16 December 19481949: 20 February 1949 to 21 November 19491950: 1 February 1950 to 20 December 19501951: 4 January 1951 to 20 December 19511952: 25 January 1952 to 27 November 19521953: 5 January 1953 to 7 December 19531954: 28 January 1954 to 12 December 19541955: 9 February 1955 to 30 December 19551956: 20 January 1956 to 16 November 19561957: 10 April 1957 to 23 October 19571958: 27 March 1958 to 10 October 19581959: 15 February 1959 to 26 December 19591960: 1 February 1960 to 12 November 19601961: 4 April 1961 to 5 July 19611962: 20 February 1962 to 29 December 19621963: 13 January 1963 to 27 October 19631964: 8 April 1964 to 18 November 19641965: 8 May 1965 to 5 September 19651966: 16 March 1966 to 4 December 19661967: 15 January 1967 to 13 August 19671968: 20 January 1968 to 23 December 19681969: 9 February 1969 to 2 December 19691970: 1 January 1970 to 5 December 19701971: 26 March 1971 to 10 December 197119321937194219471952195719621967JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Prospect meeting 10 mm (0.39 in).
First to last qualifying date each year at Prospect
YearFirst dateLast date
19321932-02-051932-10-12
19331933-01-201933-09-20
19341934-04-121934-12-09
19351935-03-141935-12-23
19361936-01-021936-12-17
19371937-01-191937-12-11
19381938-02-201938-08-28
19391939-01-041939-11-15
19401940-01-051940-12-19
19411941-01-241941-11-19
19421942-01-201942-11-05
19431943-02-171943-12-17
19441944-03-091944-12-21
19451945-01-101945-12-17
19461946-01-171946-12-25
19471947-02-091947-12-23
19481948-04-111948-12-16
19491949-02-201949-11-21
19501950-02-011950-12-20
19511951-01-041951-12-20
19521952-01-251952-11-27
19531953-01-051953-12-07
19541954-01-281954-12-12
19551955-02-091955-12-30
19561956-01-201956-11-16
19571957-04-101957-10-23
19581958-03-271958-10-10
19591959-02-151959-12-26
19601960-02-011960-11-12
19611961-04-041961-07-05
19621962-02-201962-12-29
19631963-01-131963-10-27
19641964-04-081964-11-18
19651965-05-081965-09-05
19661966-03-161966-12-04
19671967-01-151967-08-13
19681968-01-201968-12-23
19691969-02-091969-12-02
19701970-01-011970-12-05
19711971-03-261971-12-10

Every Fixed Threshold

Fixed thresholds at Prospect
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4021195115
25 mm (0.98 in): Days with 25 mm or more rain33519411
50 mm (1.97 in): Days with 50 mm or more rain11119341

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 Prospect 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).