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

Logan Threshold Days by Year (USC00295056)

16 fixed thresholds counted per year at Logan (USC00295056): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Logan Thresholds

  • Logan: nights with a minimum temperature at or below 0 C (32 F) in 36 years, most in 1929 with 147.
  • Logan: nights with a minimum temperature at or above 20 C (68 F) in 36 years, most in 1934 with 49.
  • Logan: nights with a minimum temperature at or below -10 C (14 F) in 35 years, most in 1912 with 33.
  • Logan: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 1923 with 26.
  • 16 fixed thresholds have at least one qualifying day at Logan.
33 years with a qualifying day
Days at or above 30 C (86 F) per year at Logan Days per year at Logan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 152 in 1917. 0501001502001908: 1201909: 1161910: 1261912: 981917: 1521920: 1101923: 821924: 1011925: 981926: 1081927: 1231929: 961930: 1001931: 1081932: 641933: 1001934: 1251935: 1171936: 1181937: 1041939: 1201940: 1271941: 861942: 901951: 1291952: 1211953: 1341954: 1351955: 1221956: 1501957: 1061958: 1131959: 130190819171925193019341939195119551959
Days per year at Logan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 152 in 1917.
Days at or above 30 C (86 F) per year at Logan
YearDaysDecade average
1908120118
1909116118
1910126125.3
191298125.3
1917152125.3
1920110102.6
192382102.6
1924101102.6
192598102.6
1926108102.6
1927123102.6
192996102.6
1930100106.2
1931108106.2
193264106.2
1933100106.2
1934125106.2
1935117106.2
1936118106.2
1937104106.2
1939120106.2
1940127101
194186101
194290101
1951129126.7
1952121126.7
1953134126.7
1954135126.7
1955122126.7
1956150126.7
1957106126.7
1958113126.7
1959130126.7
First to last qualifying date each year at Logan For each year, a bar from the first to the last day at Logan meeting 30 C (86 F). 1908: 16 March 1908 to 16 October 19081909: 16 April 1909 to 16 October 19091910: 5 March 1910 to 26 October 19101912: 30 April 1912 to 5 October 19121917: 22 April 1917 to 23 October 19171920: 29 April 1920 to 10 October 19201923: 10 May 1923 to 27 September 19231924: 19 May 1924 to 4 October 19241925: 13 April 1925 to 28 September 19251926: 17 May 1926 to 27 October 19261927: 9 April 1927 to 3 November 19271929: 10 May 1929 to 29 September 19291930: 8 April 1930 to 1 October 19301931: 12 April 1931 to 10 October 19311932: 2 May 1932 to 12 October 19321933: 28 March 1933 to 30 September 19331934: 10 April 1934 to 26 October 19341935: 19 March 1935 to 14 October 19351936: 12 April 1936 to 13 October 19361937: 15 April 1937 to 5 October 19371939: 23 April 1939 to 6 October 19391940: 28 February 1940 to 23 October 19401941: 8 May 1941 to 13 October 19411942: 4 April 1942 to 8 October 19421951: 24 April 1951 to 12 October 19511952: 6 April 1952 to 20 September 19521953: 21 April 1953 to 12 October 19531954: 3 April 1954 to 13 October 19541955: 25 April 1955 to 20 October 19551956: 26 March 1956 to 11 October 19561957: 19 April 1957 to 3 October 19571958: 22 April 1958 to 19 October 19581959: 2 April 1959 to 25 October 19591908192019271933193919521957JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Logan meeting 30 C (86 F).
First to last qualifying date each year at Logan
YearFirst dateLast date
19081908-03-161908-10-16
19091909-04-161909-10-16
19101910-03-051910-10-26
19121912-04-301912-10-05
19171917-04-221917-10-23
19201920-04-291920-10-10
19231923-05-101923-09-27
19241924-05-191924-10-04
19251925-04-131925-09-28
19261926-05-171926-10-27
19271927-04-091927-11-03
19291929-05-101929-09-29
19301930-04-081930-10-01
19311931-04-121931-10-10
19321932-05-021932-10-12
19331933-03-281933-09-30
19341934-04-101934-10-26
19351935-03-191935-10-14
19361936-04-121936-10-13
19371937-04-151937-10-05
19391939-04-231939-10-06
19401940-02-281940-10-23
19411941-05-081941-10-13
19421942-04-041942-10-08
19511951-04-241951-10-12
19521952-04-061952-09-20
19531953-04-211953-10-12
19541954-04-031954-10-13
19551955-04-251955-10-20
19561956-03-261956-10-11
19571957-04-191957-10-03
19581958-04-221958-10-19
19591959-04-021959-10-25

Every Fixed Threshold

Fixed thresholds at Logan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days331521917130
35 C (95 F): Days3385191732
40 C (104 F): Days251319531
90 F (32.2 C): Days33128191798
100 F (37.8 C): Days323919536
0 C (32 F): Ice days (max302219325
0 C (32 F): Frost days (min361471929127
-10 C (14 F): Days with min3533191219
-20 C (-4 F): Days with min14719243
20 C (68 F): Tropical nights (min3649193413
25 C (77 F): Days with min6219531
10 mm (0.39 in): Days with 10 mm or more rain3526192310
25 mm (0.98 in): Days with 25 mm or more rain35919236
50 mm (1.97 in): Days with 50 mm or more rain14219202
10 cm (3.9 in): Days with 10 cm or more snowfall13419231
25 cm (9.8 in): Days with 25 cm or more snowfall2119121

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1908.

Download the Data

  • Data for Logan 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).