Built 2026-10-19 (19 October 2026)

Arcola Threshold Days by Year (USC00310241)

17 fixed thresholds counted per year at Arcola (USC00310241): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Arcola Thresholds

  • Arcola: days with 10 mm (0.39 in) or more of precipitation in 71 years, most in 1958 with 51.
  • Arcola: days with 25 mm (0.98 in) or more of precipitation in 71 years, most in 1959 with 21.
  • Arcola: days with 50 mm (1.97 in) or more of precipitation in 66 years, most in 1999 with 7.
  • Arcola: days with a maximum temperature at or above 30 C (86 F) in 57 years, most in 1987 with 125.
  • 17 fixed thresholds have at least one qualifying day at Arcola.
57 years with a qualifying day
Days at or above 30 C (86 F) per year at Arcola Days per year at Arcola with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 125 in 1987. 0501001501944: 751945: 821946: 521947: 831957: 991958: 721959: 861960: 791961: 761962: 721963: 781964: 661965: 841966: 761967: 491968: 681969: 671970: 871971: 621972: 571973: 701974: 571975: 721976: 581977: 861978: 781979: 581980: 971981: 721982: 601983: 801984: 591986: 1201987: 1251992: 731993: 1071994: 871995: 951996: 901997: 861998: 1211999: 852000: 932001: 1012002: 962003: 372005: 932006: 652007: 872008: 812009: 792010: 1112011: 1012012: 772013: 602015: 862016: 681944195919651971197719831994200020072013
Days per year at Arcola with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 125 in 1987.
Days at or above 30 C (86 F) per year at Arcola
YearDaysDecade average
19447573
19458273
19465273
19478373
19579985.7
19587285.7
19598685.7
19607971.5
19617671.5
19627271.5
19637871.5
19646671.5
19658471.5
19667671.5
19674971.5
19686871.5
19696771.5
19708768.5
19716268.5
19725768.5
19737068.5
19745768.5
19757268.5
19765868.5
19778668.5
19787868.5
19795868.5
19809787.6
19817287.6
19826087.6
19838087.6
19845987.6
198612087.6
198712587.6
19927393
199310793
19948793
19959593
19969093
19978693
199812193
19998593
20009381.3
200110181.3
20029681.3
20033781.3
20059381.3
20066581.3
20078781.3
20088181.3
20097981.3
201011183.8
201110183.8
20127783.8
20136083.8
20158683.8
20166883.8
First to last qualifying date each year at Arcola For each year, a bar from the first to the last day at Arcola meeting 30 C (86 F). 1944: 14 May 1944 to 6 September 19441945: 17 March 1945 to 29 September 19451946: 3 April 1946 to 23 September 19461947: 12 May 1947 to 21 September 19471957: 22 April 1957 to 23 September 19571958: 20 April 1958 to 11 October 19581959: 9 April 1959 to 9 October 19591960: 24 April 1960 to 21 September 19601961: 25 April 1961 to 27 September 19611962: 2 May 1962 to 9 October 19621963: 4 April 1963 to 28 September 19631964: 20 April 1964 to 12 September 19641965: 13 April 1965 to 24 September 19651966: 21 May 1966 to 11 September 19661967: 3 April 1967 to 28 August 19671968: 4 May 1968 to 4 October 19681969: 5 May 1969 to 17 September 19691970: 10 May 1970 to 28 September 19701971: 19 May 1971 to 21 September 19711972: 16 April 1972 to 28 September 19721973: 12 May 1973 to 6 October 19731974: 9 March 1974 to 14 September 19741975: 22 May 1975 to 15 October 19751976: 17 April 1976 to 10 September 19761977: 13 April 1977 to 3 October 19771978: 21 May 1978 to 23 September 19781979: 2 April 1979 to 23 September 19791980: 24 April 1980 to 24 September 19801981: 13 April 1981 to 7 October 19811982: 8 May 1982 to 7 October 19821983: 15 May 1983 to 20 September 19831984: 21 May 1984 to 29 October 19841986: 31 March 1986 to 6 October 19861987: 3 May 1987 to 23 September 19871992: 17 May 1992 to 23 September 19921993: 11 May 1993 to 28 September 19931994: 27 April 1994 to 18 September 19941995: 20 April 1995 to 4 October 19951996: 13 April 1996 to 29 September 19961997: 18 May 1997 to 10 October 19971998: 31 March 1998 to 3 October 19981999: 9 April 1999 to 9 September 19992000: 9 March 2000 to 8 October 20002001: 10 April 2001 to 25 October 20012002: 15 April 2002 to 7 October 20022003: 10 May 2003 to 21 September 20032005: 20 April 2005 to 28 September 20052006: 14 April 2006 to 25 September 20062007: 22 May 2007 to 15 September 20072008: 27 May 2008 to 7 September 20082009: 25 April 2009 to 25 September 20092010: 6 April 2010 to 27 September 20102011: 24 April 2011 to 21 October 20112012: 6 April 2012 to 30 September 20122013: 16 May 2013 to 8 October 20132015: 16 May 2015 to 12 September 20152016: 16 March 2016 to 28 September 201619441961196919771986199820072016JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Arcola meeting 30 C (86 F).
First to last qualifying date each year at Arcola
YearFirst dateLast date
19441944-05-141944-09-06
19451945-03-171945-09-29
19461946-04-031946-09-23
19471947-05-121947-09-21
19571957-04-221957-09-23
19581958-04-201958-10-11
19591959-04-091959-10-09
19601960-04-241960-09-21
19611961-04-251961-09-27
19621962-05-021962-10-09
19631963-04-041963-09-28
19641964-04-201964-09-12
19651965-04-131965-09-24
19661966-05-211966-09-11
19671967-04-031967-08-28
19681968-05-041968-10-04
19691969-05-051969-09-17
19701970-05-101970-09-28
19711971-05-191971-09-21
19721972-04-161972-09-28
19731973-05-121973-10-06
19741974-03-091974-09-14
19751975-05-221975-10-15
19761976-04-171976-09-10
19771977-04-131977-10-03
19781978-05-211978-09-23
19791979-04-021979-09-23
19801980-04-241980-09-24
19811981-04-131981-10-07
19821982-05-081982-10-07
19831983-05-151983-09-20
19841984-05-211984-10-29
19861986-03-311986-10-06
19871987-05-031987-09-23
19921992-05-171992-09-23
19931993-05-111993-09-28
19941994-04-271994-09-18
19951995-04-201995-10-04
19961996-04-131996-09-29
19971997-05-181997-10-10
19981998-03-311998-10-03
19991999-04-091999-09-09
20002000-03-092000-10-08
20012001-04-102001-10-25
20022002-04-152002-10-07
20032003-05-102003-09-21
20052005-04-202005-09-28
20062006-04-142006-09-25
20072007-05-222007-09-15
20082008-05-272008-09-07
20092009-04-252009-09-25
20102010-04-062010-09-27
20112011-04-242011-10-21
20122012-04-062012-09-30
20132013-05-162013-10-08
20152015-05-162015-09-12
20162016-03-162016-09-28

Every Fixed Threshold

Fixed thresholds at Arcola
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days57125198768
35 C (95 F): Days533519933
40 C (104 F): Days4119441
90 F (32.2 C): Days5784199828
100 F (37.8 C): Days22919836
0 C (32 F): Ice days (max471019452
0 C (32 F): Frost days (min55128198777
-10 C (14 F): Days with min481719772
20 C (68 F): Tropical nights (min5585194752
25 C (77 F): Days with min12320052
10 mm (0.39 in): Days with 10 mm or more rain7151195836
25 mm (0.98 in): Days with 25 mm or more rain7121195916
50 mm (1.97 in): Days with 50 mm or more rain66719994
100 mm (3.94 in): Days with 100 mm or more rain16219951
200 mm (7.87 in): Days with 200 mm or more rain2119721
10 cm (3.9 in): Days with 10 cm or more snowfall26319662
25 cm (9.8 in): Days with 25 cm or more snowfall2119671

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.

Download the Data

  • Data for Arcola 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).