Built 2026-10-19 (19 October 2026)

Rugby Threshold Days by Year (USC00407979)

14 fixed thresholds counted per year at Rugby (USC00407979): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rugby Thresholds

  • Rugby: days with 10 mm (0.39 in) or more of precipitation in 48 years, most in 1922 with 66.
  • Rugby: days with 25 mm (0.98 in) or more of precipitation in 48 years, most in 1922 with 27.
  • Rugby: nights with a minimum temperature at or below 0 C (32 F) in 47 years, most in 1904 with 134.
  • Rugby: days with a maximum temperature at or above 30 C (86 F) in 46 years, most in 1913 with 94.
  • 14 fixed thresholds have at least one qualifying day at Rugby.
46 years with a qualifying day
Days at or above 30 C (86 F) per year at Rugby Days per year at Rugby with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 94 in 1913. 02550751001897: 451898: 351899: 691900: 731901: 531902: 671903: 661904: 761905: 701906: 701907: 651908: 611909: 531910: 471913: 941914: 941916: 581917: 381918: 451919: 721920: 301921: 751922: 301923: 611924: 621925: 941926: 531927: 581928: 481929: 521930: 751931: 891932: 611934: 681937: 481938: 411939: 421940: 311941: 901942: 631943: 751944: 651945: 701946: 521947: 751948: 551897190219071914192019251930193819431948
Days per year at Rugby with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 94 in 1913.
Days at or above 30 C (86 F) per year at Rugby
YearDaysDecade average
18974549.7
18983549.7
18996949.7
19007365.4
19015365.4
19026765.4
19036665.4
19047665.4
19057065.4
19067065.4
19076565.4
19086165.4
19095365.4
19104764
19139464
19149464
19165864
19173864
19184564
19197264
19203056.3
19217556.3
19223056.3
19236156.3
19246256.3
19259456.3
19265356.3
19275856.3
19284856.3
19295256.3
19307560.6
19318960.6
19326160.6
19346860.6
19374860.6
19384160.6
19394260.6
19403164
19419064
19426364
19437564
19446564
19457064
19465264
19477564
19485564
First to last qualifying date each year at Rugby For each year, a bar from the first to the last day at Rugby meeting 30 C (86 F). 1897: 10 June 1897 to 17 October 18971898: 2 June 1898 to 5 September 18981899: 30 April 1899 to 18 September 18991900: 2 May 1900 to 27 September 19001901: 4 May 1901 to 9 September 19011902: 3 May 1902 to 17 September 19021903: 15 May 1903 to 22 October 19031904: 23 May 1904 to 10 October 19041905: 11 May 1905 to 28 September 19051906: 12 April 1906 to 23 October 19061907: 21 March 1907 to 21 October 19071908: 18 March 1908 to 19 October 19081909: 6 June 1909 to 19 September 19091910: 24 March 1910 to 2 October 19101913: 3 May 1913 to 10 October 19131914: 23 April 1914 to 7 October 19141916: 20 April 1916 to 7 October 19161917: 19 April 1917 to 7 September 19171918: 25 May 1918 to 30 August 19181919: 29 May 1919 to 27 October 19191920: 23 May 1920 to 27 September 19201921: 23 May 1921 to 21 September 19211922: 17 April 1922 to 15 September 19221923: 2 June 1923 to 28 September 19231924: 5 May 1924 to 21 September 19241925: 23 April 1925 to 29 September 19251926: 7 May 1926 to 28 September 19261927: 29 April 1927 to 6 October 19271928: 4 May 1928 to 14 October 19281929: 25 March 1929 to 9 September 19291930: 13 April 1930 to 24 September 19301931: 17 May 1931 to 23 October 19311932: 5 May 1932 to 18 September 19321934: 5 May 1934 to 24 September 19341937: 22 May 1937 to 29 September 19371938: 19 May 1938 to 19 October 19381939: 23 May 1939 to 9 October 19391940: 1 April 1940 to 23 September 19401941: 16 May 1941 to 9 October 19411942: 25 April 1942 to 19 September 19421943: 6 May 1943 to 6 September 19431944: 11 May 1944 to 20 September 19441945: 28 May 1945 to 1 October 19451946: 3 April 1946 to 28 September 19461947: 14 May 1947 to 24 October 19471948: 25 April 1948 to 21 September 194818971903190919181924193019391945JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Rugby meeting 30 C (86 F).
First to last qualifying date each year at Rugby
YearFirst dateLast date
18971897-06-101897-10-17
18981898-06-021898-09-05
18991899-04-301899-09-18
19001900-05-021900-09-27
19011901-05-041901-09-09
19021902-05-031902-09-17
19031903-05-151903-10-22
19041904-05-231904-10-10
19051905-05-111905-09-28
19061906-04-121906-10-23
19071907-03-211907-10-21
19081908-03-181908-10-19
19091909-06-061909-09-19
19101910-03-241910-10-02
19131913-05-031913-10-10
19141914-04-231914-10-07
19161916-04-201916-10-07
19171917-04-191917-09-07
19181918-05-251918-08-30
19191919-05-291919-10-27
19201920-05-231920-09-27
19211921-05-231921-09-21
19221922-04-171922-09-15
19231923-06-021923-09-28
19241924-05-051924-09-21
19251925-04-231925-09-29
19261926-05-071926-09-28
19271927-04-291927-10-06
19281928-05-041928-10-14
19291929-03-251929-09-09
19301930-04-131930-09-24
19311931-05-171931-10-23
19321932-05-051932-09-18
19341934-05-051934-09-24
19371937-05-221937-09-29
19381938-05-191938-10-19
19391939-05-231939-10-09
19401940-04-011940-09-23
19411941-05-161941-10-09
19421942-04-251942-09-19
19431943-05-061943-09-06
19441944-05-111944-09-20
19451945-05-281945-10-01
19461946-04-031946-09-28
19471947-05-141947-10-24
19481948-04-251948-09-21

Every Fixed Threshold

Fixed thresholds at Rugby
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4694191355
35 C (95 F): Days312919303
90 F (32.2 C): Days4678191319
100 F (37.8 C): Days51019304
0 C (32 F): Ice days (max442018998
0 C (32 F): Frost days (min47134190487
-10 C (14 F): Days with min4628190315
-20 C (-4 F): Days with min26618994
20 C (68 F): Tropical nights (min461819417
25 C (77 F): Days with min1119301
10 mm (0.39 in): Days with 10 mm or more rain4866192242
25 mm (0.98 in): Days with 25 mm or more rain4827192214
50 mm (1.97 in): Days with 50 mm or more rain44718974
100 mm (3.94 in): Days with 100 mm or more rain6119061

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1897.

Download the Data

  • Data for Rugby 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).