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Built 2026-10-19 (19 October 2026)

Betteravia Threshold Days by Year (USC00040719)

11 fixed thresholds counted per year at Betteravia (USC00040719): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Betteravia Thresholds

  • Betteravia: days with a maximum temperature at or above 30 C (86 F) in 21 years, most in 1922 with 55.
  • Betteravia: days with a maximum temperature at or above 90 F (32.2 C) in 21 years, most in 1929 with 24.
  • Betteravia: nights with a minimum temperature at or below 0 C (32 F) in 20 years, most in 1919 with 55.
  • Betteravia: days with 10 mm (0.39 in) or more of precipitation in 13 years, most in 1938 with 17.
  • 11 fixed thresholds have at least one qualifying day at Betteravia.
21 years with a qualifying day
Days at or above 30 C (86 F) per year at Betteravia Days per year at Betteravia with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 55 in 1922. 02040601913: 241914: 91915: 61916: 91917: 231919: 51920: 11922: 551924: 51925: 151926: 231927: 91928: 71929: 471930: 371931: 531938: 21939: 191940: 71941: 91942: 81913191619201925192819311940
Days per year at Betteravia with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 55 in 1922.
Days at or above 30 C (86 F) per year at Betteravia
YearDaysDecade average
19132412.7
1914912.7
1915612.7
1916912.7
19172312.7
1919512.7
1920120.3
19225520.3
1924520.3
19251520.3
19262320.3
1927920.3
1928720.3
19294720.3
19303727.8
19315327.8
1938227.8
19391927.8
194078
194198
194288
First to last qualifying date each year at Betteravia For each year, a bar from the first to the last day at Betteravia meeting 30 C (86 F). 1913: 15 June 1913 to 19 October 19131914: 16 March 1914 to 25 October 19141915: 26 May 1915 to 17 September 19151916: 1 May 1916 to 30 June 19161917: 12 June 1917 to 3 October 19171919: 31 May 1919 to 8 July 19191920: 19 June 1920 to 19 June 19201922: 12 May 1922 to 2 October 19221924: 13 February 1924 to 28 September 19241925: 14 April 1925 to 20 October 19251926: 13 March 1926 to 11 November 19261927: 13 May 1927 to 19 October 19271928: 5 May 1928 to 21 November 19281929: 2 May 1929 to 7 December 19291930: 15 February 1930 to 12 November 19301931: 21 March 1931 to 31 October 19311938: 18 April 1938 to 31 May 19381939: 6 April 1939 to 30 October 19391940: 11 April 1940 to 3 December 19401941: 9 May 1941 to 6 November 19411942: 19 May 1942 to 21 October 19421913191619201925192819311940JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Betteravia meeting 30 C (86 F).
First to last qualifying date each year at Betteravia
YearFirst dateLast date
19131913-06-151913-10-19
19141914-03-161914-10-25
19151915-05-261915-09-17
19161916-05-011916-06-30
19171917-06-121917-10-03
19191919-05-311919-07-08
19201920-06-191920-06-19
19221922-05-121922-10-02
19241924-02-131924-09-28
19251925-04-141925-10-20
19261926-03-131926-11-11
19271927-05-131927-10-19
19281928-05-051928-11-21
19291929-05-021929-12-07
19301930-02-151930-11-12
19311931-03-211931-10-31
19381938-04-181938-05-31
19391939-04-061939-10-30
19401940-04-111940-12-03
19411941-05-091941-11-06
19421942-05-191942-10-21

Every Fixed Threshold

Fixed thresholds at Betteravia
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days215519228
35 C (95 F): Days12919291
40 C (104 F): Days1119171
90 F (32.2 C): Days212419293
100 F (37.8 C): Days5419291
0 C (32 F): Frost days (min2055191929
-10 C (14 F): Days with min1119131
20 C (68 F): Tropical nights (min4419394
10 mm (0.39 in): Days with 10 mm or more rain1317193812
25 mm (0.98 in): Days with 25 mm or more rain13819143
50 mm (1.97 in): Days with 50 mm or more rain4219141

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1913.

Download the Data

  • Data for Betteravia 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).