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Built 2026-10-19 (19 October 2026)

Uniontown Dam 49 Threshold Days by Year (USC00158197)

5 fixed thresholds counted per year at Uniontown Dam 49 (USC00158197): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Uniontown Dam 49 Thresholds

  • Uniontown Dam 49: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 1950 with 53.
  • Uniontown Dam 49: days with 25 mm (0.98 in) or more of precipitation in 46 years, most in 1950 with 21.
  • Uniontown Dam 49: days with 50 mm (1.97 in) or more of precipitation in 41 years, most in 1957 with 7.
  • Uniontown Dam 49: days with 10 cm (3.9 in) or more of snowfall in 9 years, most in 1951 with 2.
  • 5 fixed thresholds have at least one qualifying day at Uniontown Dam 49.
46 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Uniontown Dam 49 Days per year at Uniontown Dam 49 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 53 in 1950. 02040601928: 331929: 401930: 281931: 331932: 441933: 391934: 251935: 331936: 281937: 391938: 301939: 381940: 291941: 281942: 331943: 311944: 271945: 521946: 341947: 361948: 361949: 471950: 531951: 431952: 291953: 291954: 311955: 271956: 261957: 461958: 301959: 401960: 311961: 441962: 361963: 191964: 281965: 301966: 291967: 321968: 341969: 341970: 421971: 301972: 411973: 361928193319381943194819531958196319681973
Days per year at Uniontown Dam 49 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 53 in 1950.
Days with 10 mm (0.39 in) or more of precipitation per year at Uniontown Dam 49
YearDaysDecade average
19283336.5
19294036.5
19302833.7
19313333.7
19324433.7
19333933.7
19342533.7
19353333.7
19362833.7
19373933.7
19383033.7
19393833.7
19402935.3
19412835.3
19423335.3
19433135.3
19442735.3
19455235.3
19463435.3
19473635.3
19483635.3
19494735.3
19505335.4
19514335.4
19522935.4
19532935.4
19543135.4
19552735.4
19562635.4
19574635.4
19583035.4
19594035.4
19603131.7
19614431.7
19623631.7
19631931.7
19642831.7
19653031.7
19662931.7
19673231.7
19683431.7
19693431.7
19704237.3
19713037.3
19724137.3
19733637.3
First to last qualifying date each year at Uniontown Dam 49 For each year, a bar from the first to the last day at Uniontown Dam 49 meeting 10 mm (0.39 in). 1928: 19 January 1928 to 17 December 19281929: 6 January 1929 to 18 December 19291930: 2 January 1930 to 26 December 19301931: 9 February 1931 to 31 December 19311932: 5 January 1932 to 31 December 19321933: 18 January 1933 to 18 December 19331934: 5 January 1934 to 26 December 19341935: 16 January 1935 to 29 December 19351936: 6 January 1936 to 31 December 19361937: 7 January 1937 to 17 December 19371938: 21 January 1938 to 27 December 19381939: 5 January 1939 to 27 December 19391940: 14 January 1940 to 28 December 19401941: 17 January 1941 to 23 December 19411942: 1 January 1942 to 30 December 19421943: 3 February 1943 to 31 December 19431944: 3 January 1944 to 26 December 19441945: 1 January 1945 to 25 December 19451946: 9 January 1946 to 29 December 19461947: 2 January 1947 to 16 December 19471948: 1 January 1948 to 29 December 19481949: 4 January 1949 to 22 December 19491950: 3 January 1950 to 7 December 19501951: 3 January 1951 to 26 December 19511952: 2 January 1952 to 10 December 19521953: 8 January 1953 to 6 December 19531954: 10 January 1954 to 28 December 19541955: 2 February 1955 to 16 November 19551956: 19 January 1956 to 9 December 19561957: 21 January 1957 to 20 December 19571958: 14 January 1958 to 28 November 19581959: 1 January 1959 to 28 December 19591960: 15 January 1960 to 21 December 19601961: 1 January 1961 to 17 December 19611962: 6 January 1962 to 30 December 19621963: 1 March 1963 to 23 November 19631964: 9 January 1964 to 11 December 19641965: 2 January 1965 to 27 November 19651966: 1 January 1966 to 28 December 19661967: 26 January 1967 to 22 December 19671968: 30 January 1968 to 28 December 19681969: 17 January 1969 to 31 December 19691970: 29 January 1970 to 22 December 19701971: 4 January 1971 to 30 December 19711972: 28 January 1972 to 31 December 19721973: 4 January 1973 to 27 December 197319281934194019461952195819641970JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Uniontown Dam 49 meeting 10 mm (0.39 in).
First to last qualifying date each year at Uniontown Dam 49
YearFirst dateLast date
19281928-01-191928-12-17
19291929-01-061929-12-18
19301930-01-021930-12-26
19311931-02-091931-12-31
19321932-01-051932-12-31
19331933-01-181933-12-18
19341934-01-051934-12-26
19351935-01-161935-12-29
19361936-01-061936-12-31
19371937-01-071937-12-17
19381938-01-211938-12-27
19391939-01-051939-12-27
19401940-01-141940-12-28
19411941-01-171941-12-23
19421942-01-011942-12-30
19431943-02-031943-12-31
19441944-01-031944-12-26
19451945-01-011945-12-25
19461946-01-091946-12-29
19471947-01-021947-12-16
19481948-01-011948-12-29
19491949-01-041949-12-22
19501950-01-031950-12-07
19511951-01-031951-12-26
19521952-01-021952-12-10
19531953-01-081953-12-06
19541954-01-101954-12-28
19551955-02-021955-11-16
19561956-01-191956-12-09
19571957-01-211957-12-20
19581958-01-141958-11-28
19591959-01-011959-12-28
19601960-01-151960-12-21
19611961-01-011961-12-17
19621962-01-061962-12-30
19631963-03-011963-11-23
19641964-01-091964-12-11
19651965-01-021965-11-27
19661966-01-011966-12-28
19671967-01-261967-12-22
19681968-01-301968-12-28
19691969-01-171969-12-31
19701970-01-291970-12-22
19711971-01-041971-12-30
19721972-01-281972-12-31
19731973-01-041973-12-27

Every Fixed Threshold

Fixed thresholds at Uniontown Dam 49
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4653195036
25 mm (0.98 in): Days with 25 mm or more rain4621195010
50 mm (1.97 in): Days with 50 mm or more rain41719571
100 mm (3.94 in): Days with 100 mm or more rain5119291
10 cm (3.9 in): Days with 10 cm or more snowfall9219511

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 Uniontown Dam 49 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).