Channahon Dresden Isl Dam Threshold Days by Year (USC00111420)

17 fixed thresholds counted per year at Channahon Dresden Isl Dam (USC00111420): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Channahon Dresden Isl Dam Thresholds

Channahon Dresden Isl Dam: days with 10 mm (0.39 in) or more of precipitation in 69 years, most in 1990 with 42.
Channahon Dresden Isl Dam: days with 25 mm (0.98 in) or more of precipitation in 69 years, most in 2011 with 18.
Channahon Dresden Isl Dam: days with 50 mm (1.97 in) or more of precipitation in 55 years, most in 1961 with 5.
Channahon Dresden Isl Dam: days with 10 cm (3.9 in) or more of snowfall in 37 years, most in 1978 with 5.
17 fixed thresholds have at least one qualifying day at Channahon Dresden Isl Dam.

Days at or above 30 C (86 F)

14 years with a qualifying day

Days per year at Channahon Dresden Isl Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 72 in 2005.

Days at or above 30 C (86 F) per year at Channahon Dresden Isl Dam
Year	Days	Decade average
1998	45	45
1999	45	45
2000	27	44.8
2001	45	44.8
2002	58	44.8
2003	31	44.8
2004	26	44.8
2005	72	44.8
2006	43	44.8
2007	69	44.8
2008	32	44.8
2010	49	58.7
2011	57	58.7
2012	70	58.7

For each year, a bar from the first to the last day at Channahon Dresden Isl Dam meeting 30 C (86 F).

First to last qualifying date each year at Channahon Dresden Isl Dam
Year	First date	Last date
1998	1998-05-15	1998-09-28
1999	1999-05-29	1999-09-27
2000	2000-05-07	2000-09-20
2001	2001-04-07	2001-09-08
2002	2002-04-16	2002-10-01
2003	2003-04-15	2003-10-21
2004	2004-04-19	2004-09-24
2005	2005-05-09	2005-10-06
2006	2006-04-14	2006-10-04
2007	2007-05-02	2007-10-08
2008	2008-06-03	2008-10-13
2010	2010-05-24	2010-10-11
2011	2011-05-12	2011-10-08
2012	2012-03-22	2012-09-13

Every Fixed Threshold

Fixed thresholds at Channahon Dresden Isl Dam
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	14	72	2005	70
35 C (95 F): Days	12	15	2012	15
90 F (32.2 C): Days	14	41	2012	41
100 F (37.8 C): Days	3	2	2012	2
0 C (32 F): Ice days (max	14	56	2010	14
0 C (32 F): Frost days (min	14	143	2002	104
-10 C (14 F): Days with min	14	54	2008	11
-20 C (-4 F): Days with min	11	13	2000	3
-30 C (-22 F): Days with min	1	2	1999	2
20 C (68 F): Tropical nights (min	14	38	2012	38
25 C (77 F): Days with min	2	3	2011	1
10 mm (0.39 in): Days with 10 mm or more rain	69	42	1990	26
25 mm (0.98 in): Days with 25 mm or more rain	69	18	2011	6
50 mm (1.97 in): Days with 50 mm or more rain	55	5	1961	1
100 mm (3.94 in): Days with 100 mm or more rain	5	1	1957	1
10 cm (3.9 in): Days with 10 cm or more snowfall	37	5	1978	2
25 cm (9.8 in): Days with 25 cm or more snowfall	3	1	1967	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1998.

Download the Data

Data for Channahon Dresden Isl Dam 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Channahon Dresden Isl Dam Threshold Days by Year (USC00111420)

Key Facts for Channahon Dresden Isl Dam Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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