Built 2026-10-17 (17 October 2026)

Holberg Threshold Days by Year

13 fixed thresholds counted per year at Holberg (CA001033479): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Holberg Thresholds

  • Holberg: nights with a minimum temperature at or below 0 C (32 F) in 30 years, most in 1923 with 88.
  • Holberg: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1910 with 117.
  • Holberg: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1910 with 52.
  • Holberg: days with 50 mm (1.97 in) or more of precipitation in 29 years, most in 1914 with 16.
  • 13 fixed thresholds have at least one qualifying day at Holberg.
18 years with a qualifying day
Days at or above 30 C (86 F) per year at Holberg Days per year at Holberg with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 6 in 1923. 02461914: 31915: 21916: 21920: 31922: 41923: 61924: 41925: 31926: 11927: 21928: 21931: 31932: 21933: 61934: 31935: 11938: 21939: 2191419161922192419261928193219341938
Days per year at Holberg with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 6 in 1923.
Days at or above 30 C (86 F) per year at Holberg
YearDaysDecade average
191432.3
191522.3
191622.3
192033.1
192243.1
192363.1
192443.1
192533.1
192613.1
192723.1
192823.1
193132.7
193222.7
193362.7
193432.7
193512.7
193822.7
193922.7
First to last qualifying date each year at Holberg For each year, a bar from the first to the last day at Holberg meeting 30 C (86 F). 1914: 22 May 1914 to 29 August 19141915: 20 August 1915 to 23 August 19151916: 23 August 1916 to 24 August 19161920: 7 July 1920 to 15 July 19201922: 1 June 1922 to 26 August 19221923: 6 June 1923 to 18 August 19231924: 11 May 1924 to 25 July 19241925: 24 June 1925 to 19 August 19251926: 11 August 1926 to 11 August 19261927: 16 July 1927 to 1 August 19271928: 20 June 1928 to 26 July 19281931: 7 July 1931 to 7 August 19311932: 11 June 1932 to 5 August 19321933: 15 August 1933 to 26 August 19331934: 24 July 1934 to 26 August 19341935: 13 July 1935 to 13 July 19351938: 24 July 1938 to 25 July 19381939: 8 August 1939 to 9 August 1939191419201924192719321935JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Holberg meeting 30 C (86 F).
First to last qualifying date each year at Holberg
YearFirst dateLast date
19141914-05-221914-08-29
19151915-08-201915-08-23
19161916-08-231916-08-24
19201920-07-071920-07-15
19221922-06-011922-08-26
19231923-06-061923-08-18
19241924-05-111924-07-25
19251925-06-241925-08-19
19261926-08-111926-08-11
19271927-07-161927-08-01
19281928-06-201928-07-26
19311931-07-071931-08-07
19321932-06-111932-08-05
19331933-08-151933-08-26
19341934-07-241934-08-26
19351935-07-131935-07-13
19381938-07-241938-07-25
19391939-08-081939-08-09

Every Fixed Threshold

Fixed thresholds at Holberg
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days18619232
35 C (95 F): Days1119251
90 F (32.2 C): Days7219232
0 C (32 F): Ice days (max221919161
0 C (32 F): Frost days (min3088192338
-10 C (14 F): Days with min81319162
20 C (68 F): Tropical nights (min1119171
10 mm (0.39 in): Days with 10 mm or more rain30117191087
25 mm (0.98 in): Days with 25 mm or more rain3052191036
50 mm (1.97 in): Days with 50 mm or more rain2916191413
100 mm (3.94 in): Days with 100 mm or more rain4119111
10 cm (3.9 in): Days with 10 cm or more snowfall17519162
25 cm (9.8 in): Days with 25 cm or more snowfall6219181

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1914.

Download the Data

  • Data for Holberg 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-15).