Built 2026-10-19 (19 October 2026)

Gary Threshold Days by Year (USC00463353)

16 fixed thresholds counted per year at Gary (USC00463353): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Gary Thresholds

  • Gary: days with 10 mm (0.39 in) or more of precipitation in 71 years, most in 1918 with 51.
  • Gary: days with 25 mm (0.98 in) or more of precipitation in 71 years, most in 1918 with 16.
  • Gary: days with a maximum temperature at or above 30 C (86 F) in 64 years, most in 1925 with 91.
  • Gary: days with a maximum temperature at or above 90 F (32.2 C) in 64 years, most in 1988 with 64.
  • 16 fixed thresholds have at least one qualifying day at Gary.
64 years with a qualifying day
Days at or above 30 C (86 F) per year at Gary Days per year at Gary with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 91 in 1925. 02550751001925: 911926: 541927: 441928: 361929: 391930: 631931: 691932: 641933: 641934: 491935: 311936: 811937: 561938: 431939: 681940: 381941: 771942: 491943: 751944: 731945: 591946: 251947: 621948: 471949: 551950: 291951: 431952: 691953: 791954: 691955: 711956: 551957: 691958: 441959: 881960: 641961: 521962: 501963: 301964: 631965: 361966: 401967: 211968: 421969: 531970: 711971: 361972: 251973: 491974: 281975: 371976: 371977: 511978: 581979: 381980: 681981: 511982: 391983: 571984: 311985: 541986: 771987: 671988: 881925193219391946195319601967197419811988
Days per year at Gary with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 91 in 1925.
Days at or above 30 C (86 F) per year at Gary
YearDaysDecade average
19259152.8
19265452.8
19274452.8
19283652.8
19293952.8
19306358.8
19316958.8
19326458.8
19336458.8
19344958.8
19353158.8
19368158.8
19375658.8
19384358.8
19396858.8
19403856
19417756
19424956
19437556
19447356
19455956
19462556
19476256
19484756
19495556
19502961.6
19514361.6
19526961.6
19537961.6
19546961.6
19557161.6
19565561.6
19576961.6
19584461.6
19598861.6
19606445.1
19615245.1
19625045.1
19633045.1
19646345.1
19653645.1
19664045.1
19672145.1
19684245.1
19695345.1
19707143
19713643
19722543
19734943
19742843
19753743
19763743
19775143
19785843
19793843
19806859.1
19815159.1
19823959.1
19835759.1
19843159.1
19855459.1
19867759.1
19876759.1
19888859.1
First to last qualifying date each year at Gary For each year, a bar from the first to the last day at Gary meeting 30 C (86 F). 1925: 15 April 1925 to 27 September 19251926: 3 May 1926 to 6 October 19261927: 10 May 1927 to 7 October 19271928: 5 May 1928 to 17 September 19281929: 26 March 1929 to 30 September 19291930: 5 May 1930 to 25 September 19301931: 19 May 1931 to 8 October 19311932: 6 May 1932 to 20 September 19321933: 14 May 1933 to 2 October 19331934: 10 May 1934 to 24 August 19341935: 15 June 1935 to 16 August 19351936: 2 May 1936 to 28 September 19361937: 24 April 1937 to 3 October 19371938: 28 April 1938 to 19 October 19381939: 20 May 1939 to 27 October 19391940: 7 May 1940 to 22 September 19401941: 20 April 1941 to 10 October 19411942: 1 May 1942 to 16 September 19421943: 8 May 1943 to 16 September 19431944: 23 April 1944 to 22 September 19441945: 17 May 1945 to 29 September 19451946: 10 June 1946 to 8 October 19461947: 18 May 1947 to 23 October 19471948: 27 April 1948 to 22 September 19481949: 5 May 1949 to 11 October 19491950: 30 April 1950 to 11 September 19501951: 2 June 1951 to 4 October 19511952: 23 April 1952 to 14 September 19521953: 30 April 1953 to 5 October 19531954: 21 April 1954 to 15 October 19541955: 19 April 1955 to 8 October 19551956: 28 April 1956 to 17 September 19561957: 26 April 1957 to 23 September 19571958: 19 May 1958 to 27 September 19581959: 9 April 1959 to 7 October 19591960: 24 April 1960 to 11 September 19601961: 25 April 1961 to 26 September 19611962: 28 April 1962 to 16 September 19621963: 10 May 1963 to 12 September 19631964: 9 May 1964 to 17 September 19641965: 4 May 1965 to 23 September 19651966: 9 May 1966 to 4 September 19661967: 28 May 1967 to 17 August 19671968: 7 June 1968 to 26 August 19681969: 7 May 1969 to 13 October 19691970: 30 April 1970 to 27 September 19701971: 19 May 1971 to 16 September 19711972: 26 May 1972 to 27 August 19721973: 4 June 1973 to 28 September 19731974: 2 April 1974 to 14 September 19741975: 22 May 1975 to 11 September 19751976: 18 April 1976 to 10 September 19761977: 21 May 1977 to 20 September 19771978: 21 May 1978 to 22 September 19781979: 8 May 1979 to 12 September 19791980: 24 April 1980 to 23 September 19801981: 26 May 1981 to 15 September 19811982: 13 May 1982 to 17 August 19821983: 12 June 1983 to 20 September 19831984: 27 April 1984 to 22 September 19841985: 20 April 1985 to 24 September 19851986: 1 April 1986 to 4 October 19861987: 23 April 1987 to 24 August 19871988: 9 May 1988 to 25 September 198819251933194119491957196519731981JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Gary meeting 30 C (86 F).
First to last qualifying date each year at Gary
YearFirst dateLast date
19251925-04-151925-09-27
19261926-05-031926-10-06
19271927-05-101927-10-07
19281928-05-051928-09-17
19291929-03-261929-09-30
19301930-05-051930-09-25
19311931-05-191931-10-08
19321932-05-061932-09-20
19331933-05-141933-10-02
19341934-05-101934-08-24
19351935-06-151935-08-16
19361936-05-021936-09-28
19371937-04-241937-10-03
19381938-04-281938-10-19
19391939-05-201939-10-27
19401940-05-071940-09-22
19411941-04-201941-10-10
19421942-05-011942-09-16
19431943-05-081943-09-16
19441944-04-231944-09-22
19451945-05-171945-09-29
19461946-06-101946-10-08
19471947-05-181947-10-23
19481948-04-271948-09-22
19491949-05-051949-10-11
19501950-04-301950-09-11
19511951-06-021951-10-04
19521952-04-231952-09-14
19531953-04-301953-10-05
19541954-04-211954-10-15
19551955-04-191955-10-08
19561956-04-281956-09-17
19571957-04-261957-09-23
19581958-05-191958-09-27
19591959-04-091959-10-07
19601960-04-241960-09-11
19611961-04-251961-09-26
19621962-04-281962-09-16
19631963-05-101963-09-12
19641964-05-091964-09-17
19651965-05-041965-09-23
19661966-05-091966-09-04
19671967-05-281967-08-17
19681968-06-071968-08-26
19691969-05-071969-10-13
19701970-04-301970-09-27
19711971-05-191971-09-16
19721972-05-261972-08-27
19731973-06-041973-09-28
19741974-04-021974-09-14
19751975-05-221975-09-11
19761976-04-181976-09-10
19771977-05-211977-09-20
19781978-05-211978-09-22
19791979-05-081979-09-12
19801980-04-241980-09-23
19811981-05-261981-09-15
19821982-05-131982-08-17
19831983-06-121983-09-20
19841984-04-271984-09-22
19851985-04-201985-09-24
19861986-04-011986-10-04
19871987-04-231987-08-24
19881988-05-091988-09-25

Every Fixed Threshold

Fixed thresholds at Gary
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days6491192588
35 C (95 F): Days2626198826
90 F (32.2 C): Days6464198864
100 F (37.8 C): Days4319302
0 C (32 F): Ice days (max6434197717
0 C (32 F): Frost days (min641581976110
-10 C (14 F): Days with min6345196323
-20 C (-4 F): Days with min20919363
-30 C (-22 F): Days with min1119851
20 C (68 F): Tropical nights (min501919341
10 mm (0.39 in): Days with 10 mm or more rain7151191834
25 mm (0.98 in): Days with 25 mm or more rain711619184
50 mm (1.97 in): Days with 50 mm or more rain31219291
100 mm (3.94 in): Days with 100 mm or more rain1119541
10 cm (3.9 in): Days with 10 cm or more snowfall33619473
25 cm (9.8 in): Days with 25 cm or more snowfall8219361

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1925.

Download the Data

  • Data for Gary 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).