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Data as of 2025-12-31
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Built 2026-10-17 (17 October 2026)

Deep River Threshold Days by Year

4 fixed thresholds counted per year at Deep River (ASN00009529): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Deep River Thresholds

  • Deep River: days with 10 mm (0.39 in) or more of precipitation in 25 years, most in 1942 with 73.
  • Deep River: days with 25 mm (0.98 in) or more of precipitation in 25 years, most in 1949 with 20.
  • Deep River: days with 50 mm (1.97 in) or more of precipitation in 18 years, most in 1945 with 3.
  • Deep River: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1942 with 1.
  • 4 fixed thresholds have at least one qualifying day at Deep River.
25 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Deep River Days per year at Deep River with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 73 in 1942. 0204060801942: 731943: 461944: 531945: 581946: 471947: 521948: 521949: 481950: 581951: 511952: 551953: 401954: 491955: 701960: 351961: 611962: 421963: 381967: 481968: 451969: 371970: 441971: 391972: 361973: 57194219451948195119541961196719701973
Days per year at Deep River with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 73 in 1942.
Days with 10 mm (0.39 in) or more of precipitation per year at Deep River
YearDaysDecade average
19427353.6
19434653.6
19445353.6
19455853.6
19464753.6
19475253.6
19485253.6
19494853.6
19505853.8
19515153.8
19525553.8
19534053.8
19544953.8
19557053.8
19603543.7
19616143.7
19624243.7
19633843.7
19674843.7
19684543.7
19693743.7
19704444
19713944
19723644
19735744
First to last qualifying date each year at Deep River For each year, a bar from the first to the last day at Deep River meeting 10 mm (0.39 in). 1942: 1 March 1942 to 4 December 19421943: 31 January 1943 to 19 September 19431944: 18 April 1944 to 14 December 19441945: 20 March 1945 to 25 December 19451946: 3 January 1946 to 21 November 19461947: 6 March 1947 to 11 December 19471948: 30 March 1948 to 24 December 19481949: 26 January 1949 to 18 November 19491950: 5 January 1950 to 27 December 19501951: 2 January 1951 to 7 December 19511952: 24 January 1952 to 25 December 19521953: 2 February 1953 to 19 November 19531954: 16 March 1954 to 1 December 19541955: 26 January 1955 to 14 December 19551960: 1 March 1960 to 16 October 19601961: 26 January 1961 to 17 December 19611962: 16 March 1962 to 30 December 19621963: 29 January 1963 to 18 December 19631967: 5 January 1967 to 8 December 19671968: 7 January 1968 to 13 November 19681969: 10 March 1969 to 22 November 19691970: 6 February 1970 to 14 November 19701971: 31 January 1971 to 25 October 19711972: 24 March 1972 to 28 October 19721973: 17 January 1973 to 14 November 19731942194619501954196219691973JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Deep River meeting 10 mm (0.39 in).
First to last qualifying date each year at Deep River
YearFirst dateLast date
19421942-03-011942-12-04
19431943-01-311943-09-19
19441944-04-181944-12-14
19451945-03-201945-12-25
19461946-01-031946-11-21
19471947-03-061947-12-11
19481948-03-301948-12-24
19491949-01-261949-11-18
19501950-01-051950-12-27
19511951-01-021951-12-07
19521952-01-241952-12-25
19531953-02-021953-11-19
19541954-03-161954-12-01
19551955-01-261955-12-14
19601960-03-011960-10-16
19611961-01-261961-12-17
19621962-03-161962-12-30
19631963-01-291963-12-18
19671967-01-051967-12-08
19681968-01-071968-11-13
19691969-03-101969-11-22
19701970-02-061970-11-14
19711971-01-311971-10-25
19721972-03-241972-10-28
19731973-01-171973-11-14

Every Fixed Threshold

Fixed thresholds at Deep River
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2573194257
25 mm (0.98 in): Days with 25 mm or more rain252019497
50 mm (1.97 in): Days with 50 mm or more rain18319451
100 mm (3.94 in): Days with 100 mm or more rain2119421

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.

Download the Data

  • Data for Deep River 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).