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

Charlottesville 1 W Threshold Days by Year (USC00441598)

17 fixed thresholds counted per year at Charlottesville 1 W (USC00441598): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Charlottesville 1 W Thresholds

  • Charlottesville 1 W: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 1937 with 48.
  • Charlottesville 1 W: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1937 with 24.
  • Charlottesville 1 W: nights with a minimum temperature at or below 0 C (32 F) in 33 years, most in 1960 with 112.
  • Charlottesville 1 W: nights with a minimum temperature at or above 20 C (68 F) in 33 years, most in 1931 with 56.
  • 17 fixed thresholds have at least one qualifying day at Charlottesville 1 W.
30 years with a qualifying day
Days at or above 30 C (86 F) per year at Charlottesville 1 W Days per year at Charlottesville 1 W with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 96 in 1941. 02550751001930: 941931: 791932: 911934: 781936: 931937: 681939: 841940: 461941: 961942: 701943: 881944: 711945: 691946: 501947: 641952: 781953: 901954: 931955: 731956: 751957: 881958: 681959: 881960: 861961: 791962: 701963: 851964: 741965: 811968: 591930193419391942194519521955195819611964
Days per year at Charlottesville 1 W with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 96 in 1941.
Days at or above 30 C (86 F) per year at Charlottesville 1 W
YearDaysDecade average
19309483.9
19317983.9
19329183.9
19347883.9
19369383.9
19376883.9
19398483.9
19404669.3
19419669.3
19427069.3
19438869.3
19447169.3
19456969.3
19465069.3
19476469.3
19527881.6
19539081.6
19549381.6
19557381.6
19567581.6
19578881.6
19586881.6
19598881.6
19608676.3
19617976.3
19627076.3
19638576.3
19647476.3
19658176.3
19685976.3
First to last qualifying date each year at Charlottesville 1 W For each year, a bar from the first to the last day at Charlottesville 1 W meeting 30 C (86 F). 1930: 11 April 1930 to 16 October 19301931: 16 May 1931 to 8 October 19311932: 7 May 1932 to 22 September 19321934: 2 April 1934 to 27 September 19341936: 15 April 1936 to 28 September 19361937: 18 April 1937 to 5 September 19371939: 24 April 1939 to 10 October 19391940: 6 May 1940 to 21 September 19401941: 14 April 1941 to 15 October 19411942: 5 April 1942 to 19 September 19421943: 6 May 1943 to 16 September 19431944: 2 May 1944 to 21 September 19441945: 17 March 1945 to 29 September 19451946: 23 April 1946 to 22 September 19461947: 6 April 1947 to 23 October 19471952: 22 March 1952 to 1 October 19521953: 2 May 1953 to 21 October 19531954: 20 April 1954 to 15 October 19541955: 21 April 1955 to 14 November 19551956: 29 April 1956 to 24 September 19561957: 21 April 1957 to 23 September 19571958: 19 April 1958 to 10 October 19581959: 8 April 1959 to 6 October 19591960: 14 April 1960 to 20 September 19601961: 24 April 1961 to 26 September 19611962: 22 April 1962 to 12 October 19621963: 30 March 1963 to 7 October 19631964: 17 April 1964 to 23 September 19641965: 2 May 1965 to 23 September 19651968: 7 June 1968 to 3 October 196819301936194119451953195719611965JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Charlottesville 1 W meeting 30 C (86 F).
First to last qualifying date each year at Charlottesville 1 W
YearFirst dateLast date
19301930-04-111930-10-16
19311931-05-161931-10-08
19321932-05-071932-09-22
19341934-04-021934-09-27
19361936-04-151936-09-28
19371937-04-181937-09-05
19391939-04-241939-10-10
19401940-05-061940-09-21
19411941-04-141941-10-15
19421942-04-051942-09-19
19431943-05-061943-09-16
19441944-05-021944-09-21
19451945-03-171945-09-29
19461946-04-231946-09-22
19471947-04-061947-10-23
19521952-03-221952-10-01
19531953-05-021953-10-21
19541954-04-201954-10-15
19551955-04-211955-11-14
19561956-04-291956-09-24
19571957-04-211957-09-23
19581958-04-191958-10-10
19591959-04-081959-10-06
19601960-04-141960-09-20
19611961-04-241961-09-26
19621962-04-221962-10-12
19631963-03-301963-10-07
19641964-04-171964-09-23
19651965-05-021965-09-23
19681968-06-071968-10-03

Every Fixed Threshold

Fixed thresholds at Charlottesville 1 W
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3096194159
35 C (95 F): Days303419309
40 C (104 F): Days5719301
90 F (32.2 C): Days3064193038
100 F (37.8 C): Days131619301
0 C (32 F): Ice days (max2818193614
0 C (32 F): Frost days (min331121960104
-10 C (14 F): Days with min3018196313
20 C (68 F): Tropical nights (min3356193132
25 C (77 F): Days with min13719301
10 mm (0.39 in): Days with 10 mm or more rain3648193726
25 mm (0.98 in): Days with 25 mm or more rain3624193711
50 mm (1.97 in): Days with 50 mm or more rain31819373
100 mm (3.94 in): Days with 100 mm or more rain5219371
200 mm (7.87 in): Days with 200 mm or more rain1119441
10 cm (3.9 in): Days with 10 cm or more snowfall23419401
25 cm (9.8 in): Days with 25 cm or more snowfall6219601

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1930.

Download the Data

  • Data for Charlottesville 1 W 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).