Built 2026-10-19 (19 October 2026)

Marietta Wtr Wks Threshold Days by Year (USC00334929)

16 fixed thresholds counted per year at Marietta Wtr Wks (USC00334929): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Marietta Wtr Wks Thresholds

  • Marietta Wtr Wks: nights with a minimum temperature at or below 0 C (32 F) in 58 years, most in 1917 with 134.
  • Marietta Wtr Wks: nights with a minimum temperature at or below -10 C (14 F) in 58 years, most in 1917 with 31.
  • Marietta Wtr Wks: nights with a minimum temperature at or above 20 C (68 F) in 58 years, most in 1898 with 55.
  • Marietta Wtr Wks: days with a maximum temperature at or above 30 C (86 F) in 54 years, most in 1959 with 99.
  • 16 fixed thresholds have at least one qualifying day at Marietta Wtr Wks.
54 years with a qualifying day
Days at or above 30 C (86 F) per year at Marietta Wtr Wks Days per year at Marietta Wtr Wks with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 99 in 1959. 02550751001894: 411897: 371898: 371899: 531900: 641901: 421902: 361903: 381904: 241905: 241906: 531907: 291908: 771909: 481910: 631911: 811912: 481913: 751914: 791915: 491916: 621917: 471918: 711919: 791920: 481921: 831922: 671923: 681924: 591925: 821926: 551927: 501928: 541929: 591930: 891931: 801932: 921933: 841934: 911940: 711941: 941942: 601943: 651945: 501952: 721953: 841955: 851956: 571957: 691958: 441959: 991960: 511961: 521962: 67189419021908191419201926193219431957
Days per year at Marietta Wtr Wks with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 99 in 1959.
Days at or above 30 C (86 F) per year at Marietta Wtr Wks
YearDaysDecade average
18944142
18973742
18983742
18995342
19006443.5
19014243.5
19023643.5
19033843.5
19042443.5
19052443.5
19065343.5
19072943.5
19087743.5
19094843.5
19106365.4
19118165.4
19124865.4
19137565.4
19147965.4
19154965.4
19166265.4
19174765.4
19187165.4
19197965.4
19204862.5
19218362.5
19226762.5
19236862.5
19245962.5
19258262.5
19265562.5
19275062.5
19285462.5
19295962.5
19308987.2
19318087.2
19329287.2
19338487.2
19349187.2
19407168
19419468
19426068
19436568
19455068
19527272.9
19538472.9
19558572.9
19565772.9
19576972.9
19584472.9
19599972.9
19605156.7
19615256.7
19626756.7
First to last qualifying date each year at Marietta Wtr Wks For each year, a bar from the first to the last day at Marietta Wtr Wks meeting 30 C (86 F). 1894: 10 May 1894 to 15 September 18941897: 9 May 1897 to 16 October 18971898: 21 May 1898 to 6 September 18981899: 29 April 1899 to 8 September 18991900: 14 May 1900 to 6 October 19001901: 2 May 1901 to 7 September 19011902: 22 April 1902 to 31 August 19021903: 17 May 1903 to 16 September 19031904: 6 May 1904 to 29 September 19041905: 4 May 1905 to 19 September 19051906: 13 April 1906 to 18 September 19061907: 14 May 1907 to 20 August 19071908: 26 April 1908 to 26 September 19081909: 6 May 1909 to 14 September 19091910: 24 March 1910 to 3 October 19101911: 10 May 1911 to 8 September 19111912: 4 May 1912 to 14 September 19121913: 24 April 1913 to 10 October 19131914: 27 April 1914 to 23 September 19141915: 24 April 1915 to 16 September 19151916: 20 April 1916 to 7 September 19161917: 18 May 1917 to 28 August 19171918: 5 May 1918 to 30 August 19181919: 9 April 1919 to 3 October 19191920: 23 May 1920 to 30 August 19201921: 26 April 1921 to 17 September 19211922: 9 May 1922 to 10 September 19221923: 4 May 1923 to 4 September 19231924: 6 May 1924 to 11 October 19241925: 23 April 1925 to 21 September 19251926: 1 May 1926 to 5 September 19261927: 9 May 1927 to 1 October 19271928: 3 May 1928 to 17 October 19281929: 6 April 1929 to 28 September 19291930: 12 April 1930 to 26 September 19301931: 18 May 1931 to 7 October 19311932: 5 May 1932 to 22 September 19321933: 1 May 1933 to 26 September 19331934: 4 May 1934 to 26 September 19341940: 6 May 1940 to 22 September 19401941: 19 April 1941 to 7 October 19411942: 7 April 1942 to 18 September 19421943: 6 May 1943 to 1 October 19431945: 25 March 1945 to 28 September 19451952: 21 April 1952 to 1 October 19521953: 4 May 1953 to 4 October 19531955: 3 May 1955 to 24 September 19551956: 27 April 1956 to 15 October 19561957: 24 April 1957 to 21 September 19571958: 5 June 1958 to 27 September 19581959: 2 May 1959 to 5 October 19591960: 23 April 1960 to 9 September 19601961: 14 May 1961 to 3 November 19611962: 27 April 1962 to 15 October 196218941903191019171924193119431958JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Marietta Wtr Wks meeting 30 C (86 F).
First to last qualifying date each year at Marietta Wtr Wks
YearFirst dateLast date
18941894-05-101894-09-15
18971897-05-091897-10-16
18981898-05-211898-09-06
18991899-04-291899-09-08
19001900-05-141900-10-06
19011901-05-021901-09-07
19021902-04-221902-08-31
19031903-05-171903-09-16
19041904-05-061904-09-29
19051905-05-041905-09-19
19061906-04-131906-09-18
19071907-05-141907-08-20
19081908-04-261908-09-26
19091909-05-061909-09-14
19101910-03-241910-10-03
19111911-05-101911-09-08
19121912-05-041912-09-14
19131913-04-241913-10-10
19141914-04-271914-09-23
19151915-04-241915-09-16
19161916-04-201916-09-07
19171917-05-181917-08-28
19181918-05-051918-08-30
19191919-04-091919-10-03
19201920-05-231920-08-30
19211921-04-261921-09-17
19221922-05-091922-09-10
19231923-05-041923-09-04
19241924-05-061924-10-11
19251925-04-231925-09-21
19261926-05-011926-09-05
19271927-05-091927-10-01
19281928-05-031928-10-17
19291929-04-061929-09-28
19301930-04-121930-09-26
19311931-05-181931-10-07
19321932-05-051932-09-22
19331933-05-011933-09-26
19341934-05-041934-09-26
19401940-05-061940-09-22
19411941-04-191941-10-07
19421942-04-071942-09-18
19431943-05-061943-10-01
19451945-03-251945-09-28
19521952-04-211952-10-01
19531953-05-041953-10-04
19551955-05-031955-09-24
19561956-04-271956-10-15
19571957-04-241957-09-21
19581958-06-051958-09-27
19591959-05-021959-10-05
19601960-04-231960-09-09
19611961-05-141961-11-03
19621962-04-271962-10-15

Every Fixed Threshold

Fixed thresholds at Marietta Wtr Wks
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5499195967
35 C (95 F): Days382519311
40 C (104 F): Days5319301
90 F (32.2 C): Days5461193026
100 F (37.8 C): Days11919301
0 C (32 F): Ice days (max5434195820
0 C (32 F): Frost days (min581341917124
-10 C (14 F): Days with min5831191722
-20 C (-4 F): Days with min30619174
-30 C (-22 F): Days with min1118991
20 C (68 F): Tropical nights (min585518987
25 C (77 F): Days with min5118981
10 mm (0.39 in): Days with 10 mm or more rain3849191332
25 mm (0.98 in): Days with 25 mm or more rain381619456
50 mm (1.97 in): Days with 50 mm or more rain18319131
10 cm (3.9 in): Days with 10 cm or more snowfall2219342

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1894.

Download the Data

  • Data for Marietta Wtr Wks 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).