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Built 2026-10-19 (19 October 2026)

Kaskaskia Rvr Navigation Lock Threshold Days by Year (USC00114629)

18 fixed thresholds counted per year at Kaskaskia Rvr Navigation Lock (USC00114629): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Kaskaskia Rvr Navigation Lock Thresholds

  • Kaskaskia Rvr Navigation Lock: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1990 with 47.
  • Kaskaskia Rvr Navigation Lock: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 1990 with 20.
  • Kaskaskia Rvr Navigation Lock: days with a maximum temperature at or above 30 C (86 F) in 42 years, most in 1998 with 122.
  • Kaskaskia Rvr Navigation Lock: days with a maximum temperature at or above 35 C (95 F) in 42 years, most in 1988 with 48.
  • 18 fixed thresholds have at least one qualifying day at Kaskaskia Rvr Navigation Lock.
42 years with a qualifying day
Days at or above 30 C (86 F) per year at Kaskaskia Rvr Navigation Lock Days per year at Kaskaskia Rvr Navigation Lock with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 122 in 1998. 0501001501975: 811976: 671977: 731978: 851979: 791980: 931981: 651982: 521983: 981984: 1001985: 931986: 1131987: 1181988: 1041989: 951990: 901991: 1041992: 711996: 911997: 901998: 1221999: 842004: 712005: 1032006: 972007: 1102008: 452009: 562010: 1072011: 952012: 1002013: 742014: 812015: 812016: 962017: 922020: 662021: 682023: 752024: 692025: 802026: 88197519801985199019982007201220172025
Days per year at Kaskaskia Rvr Navigation Lock with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 122 in 1998.
Days at or above 30 C (86 F) per year at Kaskaskia Rvr Navigation Lock
YearDaysDecade average
19758177
19766777
19777377
19788577
19797977
19809393.1
19816593.1
19825293.1
19839893.1
198410093.1
19859393.1
198611393.1
198711893.1
198810493.1
19899593.1
19909093.1
199110493.1
19927193.1
19969193.1
19979093.1
199812293.1
19998493.1
20047180.3
200510380.3
20069780.3
200711080.3
20084580.3
20095680.3
201010790.8
20119590.8
201210090.8
20137490.8
20148190.8
20158190.8
20169690.8
20179290.8
20206674.3
20216874.3
20237574.3
20246974.3
20258074.3
20268874.3
First to last qualifying date each year at Kaskaskia Rvr Navigation Lock For each year, a bar from the first to the last day at Kaskaskia Rvr Navigation Lock meeting 30 C (86 F). 1975: 19 May 1975 to 22 October 19751976: 22 May 1976 to 5 October 19761977: 15 April 1977 to 10 September 19771978: 21 May 1978 to 13 October 19781979: 9 May 1979 to 22 October 19791980: 23 April 1980 to 10 October 19801981: 3 April 1981 to 6 October 19811982: 13 May 1982 to 13 September 19821983: 11 May 1983 to 4 October 19831984: 28 April 1984 to 25 September 19841985: 29 March 1985 to 25 October 19851986: 31 March 1986 to 2 November 19861987: 21 April 1987 to 5 November 19871988: 6 April 1988 to 28 September 19881989: 18 April 1989 to 15 October 19891990: 23 April 1990 to 1 November 19901991: 18 April 1991 to 18 October 19911992: 15 April 1992 to 18 September 19921996: 10 May 1996 to 8 October 19961997: 21 March 1997 to 12 October 19971998: 15 April 1998 to 29 October 19981999: 2 May 1999 to 14 November 19992004: 18 April 2004 to 30 August 20042005: 18 April 2005 to 6 October 20052006: 13 April 2006 to 5 October 20062007: 27 March 2007 to 9 October 20072008: 1 June 2008 to 14 September 20082009: 25 April 2009 to 10 September 20092010: 15 April 2010 to 11 October 20102011: 9 April 2011 to 17 October 20112012: 2 April 2012 to 26 September 20122013: 15 May 2013 to 5 October 20132014: 5 May 2014 to 2 October 20142015: 5 May 2015 to 23 October 20152016: 26 April 2016 to 2 November 20162017: 15 April 2017 to 21 October 20172020: 9 April 2020 to 8 October 20202021: 23 May 2021 to 11 October 20212023: 8 May 2023 to 4 October 20232024: 16 April 2024 to 13 October 20242025: 17 May 2025 to 4 October 20252026: 21 March 2026 to 14 October 20261975198119871996200620122020JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Kaskaskia Rvr Navigation Lock meeting 30 C (86 F).
First to last qualifying date each year at Kaskaskia Rvr Navigation Lock
YearFirst dateLast date
19751975-05-191975-10-22
19761976-05-221976-10-05
19771977-04-151977-09-10
19781978-05-211978-10-13
19791979-05-091979-10-22
19801980-04-231980-10-10
19811981-04-031981-10-06
19821982-05-131982-09-13
19831983-05-111983-10-04
19841984-04-281984-09-25
19851985-03-291985-10-25
19861986-03-311986-11-02
19871987-04-211987-11-05
19881988-04-061988-09-28
19891989-04-181989-10-15
19901990-04-231990-11-01
19911991-04-181991-10-18
19921992-04-151992-09-18
19961996-05-101996-10-08
19971997-03-211997-10-12
19981998-04-151998-10-29
19991999-05-021999-11-14
20042004-04-182004-08-30
20052005-04-182005-10-06
20062006-04-132006-10-05
20072007-03-272007-10-09
20082008-06-012008-09-14
20092009-04-252009-09-10
20102010-04-152010-10-11
20112011-04-092011-10-17
20122012-04-022012-09-26
20132013-05-152013-10-05
20142014-05-052014-10-02
20152015-05-052015-10-23
20162016-04-262016-11-02
20172017-04-152017-10-21
20202020-04-092020-10-08
20212021-05-232021-10-11
20232023-05-082023-10-04
20242024-04-162024-10-13
20252025-05-172025-10-04
20262026-03-212026-10-14

Every Fixed Threshold

Fixed thresholds at Kaskaskia Rvr Navigation Lock
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days42122199888
35 C (95 F): Days4248198822
40 C (104 F): Days1310201210
90 F (32.2 C): Days4294199856
100 F (37.8 C): Days303019884
110 F (43.3 C): Days1219902
0 C (32 F): Ice days (max4245197813
0 C (32 F): Frost days (min40129201353
-10 C (14 F): Days with min4042197816
-20 C (-4 F): Days with min16919792
20 C (68 F): Tropical nights (min4076201663
25 C (77 F): Days with min24919803
10 mm (0.39 in): Days with 10 mm or more rain4447199027
25 mm (0.98 in): Days with 25 mm or more rain442019904
50 mm (1.97 in): Days with 50 mm or more rain42720092
100 mm (3.94 in): Days with 100 mm or more rain5119901
200 mm (7.87 in): Days with 200 mm or more rain1119901
10 cm (3.9 in): Days with 10 cm or more snowfall12319791

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1975.

Download the Data

  • Data for Kaskaskia Rvr Navigation Lock 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 (2026-10-17).