Vermilion Weather Live

Warren County

Vermillion County IN

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Summaries
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- All-Time Records

Danville Historical Climate Data

Precipitation Summary

Station: 112140 DANVILLE, IL

1971-2000 NCDC Normals

Element	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Prec. (in)	2.05	1.99	3.17	3.86	4.47	4.70	4.39	3.94	3.03	3.04	3.53	2.79	40.96

Precipitation Extremes

Period of Record: 1895-2006

Month	High (in)	Year	Low (in)	Year	1-Day Max (in)	Date
Jan	8.88	1950	0.08	1986	2.28	01-12-1916
Feb	6.29	1990	0.00	1924	2.45	02-22-1990
Mar	7.93	1898	0.77	1960	3.10	03-13-1917
Apr	10.86	1994	0.59	1976	4.06	04-19-1970
May	12.94	1943	0.18	1964	3.92	05-17-1943
Jun	12.44	1998	0.25	1936	6.50	06-07-2015
Jul	13.95	1962	0.00	1901	5.08	07-21-1949
Aug	9.84	1979	0.56	1953	5.40	08-04-1968
Sep	12.01	1926	0.04	1979	3.70	09-01-2003
Oct	8.62	1941	0.35	1964	4.62	10-12-1969
Nov	10.25	1985	0.07	1904	3.71	11-01-1992
Dec	7.65	1967	0.11	1900	2.11	12-18-1924

Annual	54.24	1990	18.86	1901	6.50	06-07-2015
Winter	17.75	1950	0.71	1931	2.45	02-22-1990
Spring	18.76	1922	4.23	1934	4.06	04-19-1970
Summer	22.17	1958	3.34	1959	6.50	06-07-2015
Fall	17.45	1955	3.51	1963	4.62	10-12-1969

Precipitation Threshold Climatology

Derived from 1971-2000 Averages:

*Annual/seasonal totals may differ from the sum of the monthly totals due to rounding.

Month	# Days Total ≥ 0.01"	# Days Total ≥ 0.10"	# Days Total ≥ 0.50"	# Days Total ≥ 1.00"
Jan	10.1	5.2	1.2	0.3
Feb	8.2	4.6	1.1	0.4
Mar	10.7	7.4	2.2	0.5
Apr	12.4	8.0	2.5	0.8
May	12.0	8.1	2.7	1.0
Jun	10.6	7.4	3.0	1.4
Jul	9.4	7.1	3.2	1.2
Aug	9.4	6.0	2.7	1.4
Sep	8.4	5.1	2.0	0.8
Oct	9.0	5.7	1.9	0.6
Nov	9.9	6.9	2.4	0.9
Dec	10.8	6.2	1.9	0.5

Annual	120.8	77.8	27.0	9.9
Winter	29.1	16.0	4.3	1.2
Spring	35.1	23.5	7.5	2.3
Summer	29.4	20.5	8.9	4.1
Fall	27.2	17.7	6.3	2.2

Temperature Summary

Station 112140 DANVILLE, IL

1971-2000 NCDC Normals

Element	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High °F	34.2	40.0	52.0	64.5	75.2	83.5	86.2	84.1	78.4	66.6	51.6	38.7	62.9
Low °F	17.3	21.9	31.7	41.0	50.7	60.0	64.3	62.6	54.7	43.3	33.8	23.0	42.0
Mean °F	25.8	31.0	41.9	52.8	63.0	71.8	75.3	73.4	66.6	55.0	42.7	30.9	52.5
HDD	1217	954	718	373	155	14	0	9	63	325	669	1058	5555
CDD	0	0	0	6	92	217	319	269	110	14	0	0	1027

HDD - heating degree days (base 65F); CDD - cooling degree days (base 65F)

Temperature Extremes

Period of Record: 1895-2006

Month	High Mean °F	Year	Low Mean °F	Year	1-Day Max °F	Date	1-Day Min °F	Date
Jan	40.0	2006	10.2	1977	70	01-25-1950	-26	01-17-1982
Feb	40.2	1954	16.9	1978	74	02-25-2000	-22	02-27-1934
Mar	52.4	1946	26.1	1960	84	03-24-1929	-13	03-08-1943
Apr	58.9	2001	45.9	1926	94	04-27-1896	12	04-07-1982
May	71.7	1902	55.7	1924	103	05-22-1925	25	05-10-1966
Jun	78.6	1901	65.8	1928	105	06-26-1954	36	06-16-1917
Jul	82.1	1936	71.2	1947	112	07-14-1936	41	07-23-1947
Aug	80.2	1947	67.3	1927	107	08-05-1918	37	08-30-1946
Sep	73.3	1925	59.5	1918	102	09-05-1899	22	09-29-1899
Oct	62.6	1963	46.0	1925	98	10-13-1940	13	10-30-1895
Nov	50.6	1931	34.1	1976	82	11-06-1915	-6	11-28-1930
Dec	40.3	1923	18.0	1989	72	12-02-1982	-25	12-22-1989

Annual	57.1	1921	47.5	1922	112	07-14-1936	-26	01-17-1982
Winter	38.2	1932	20.7	1977	74	02-25-1900	-26	01-17-1982
Spring	57.9	1977	45.6	1960	103	05-22-1925	-13	03-08-1943
Summer	78.0	1901	69.1	1927	112	07-14-1936	36	06-16-1917
Fall	60.4	1931	48.7	1976	102	09-05-1999	-6	11-28-1930

Temperature Threshold Climatology

Derived from 1971-2000 Averages:

*Annual/seasonal values may differ from the sum of the monthly values due to rounding.

Month	# Days High ≥ 90°F	# Days High ≤ 32°F	# Days Low ≤ 32°F	# Days Low ≤ 0°F
Jan	0.0	13.7	27.3	4.2
Feb	0.0	8.0	22.5	2.5
Mar	0.0	1.6	17.3	0.1
Apr	0.1	0.0	6.2	0.0
May	0.9	0.0	0.4	0.0
Jun	5.8	0.0	0.0	0.0
Jul	8.4	0.0	0.0	0.0
Aug	5.1	0.0	0.0	0.0
Sep	2.0	0.0	0.1	0.0
Oct	0.0	0.0	4.9	0.0
Nov	0.0	1.0	14.9	0.0
Dec	0.0	7.6	24.6	1.7

Annual	22.3	32.0	118.2	8.6
Winter	0.0	29.3	74.5	8.5
Spring	1.0	1.6	23.8	0.1
Summer	19.3	0.0	0.0	0.0
Fall	2.0	1.0	20.0	0.0

Snowfall Summary

Station: 112140 DANVILLE, IL

1971-2000 Averages

Element	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Snow (in)	6.3	4.4	3.0	0.2	0.0	0.0	0.0	0.0	0.0	0.1	1.0	5.8	20.8

Snowfall Extremes

Period of Record: 1895-2006

Month	High (in)	Year	1-Day Max (in)	Date
Jan	23.0	1979	12.0	01-13-1927
Feb	18.9	1914	14.0	02-21-1912
Mar	14.5	1960	8.0	03-07-1931
Apr	5.4	1982	4.6	04-05-1982
May	0.0	-	-	-
Jun	0.0	-	-	-
Jul	0.0	-	-	-
Aug	0.0	-	-	-
Sep	0.0	-	-	-
Oct	4.4	1989	3.2	10-20-1989
Nov	11.0	1932	8.3	11-27-1980
Dec	23.3	1973	13.0	12-19-1973
Season (Jul-Jun)	45.4	1942-1943	14.0	02-21-1912

Snowfall Threshold Climatology

Derived from 1971-2000 Averages

*Annual values may differ from the sum of the monthly values due to rounding.

Month	# Days Total ≥ 0.1"	# Days Total ≥ 1.0"	# Days Total ≥ 2.0"	# Days Total ≥ 5.0"
Jan	2.6	1.6	1.0	0.1
Feb	2.6	1.6	1.0	0.1
Mar	1.6	1.0	0.6	0.2
Apr	0.2	0.0	0.0	0.0
May	0.0	0.0	0.0	0.0
Jun	0.0	0.0	0.0	0.0
Jul	0.0	0.0	0.0	0.0
Aug	0.0	0.0	0.0	0.0
Sep	0.0	0.0	0.0	0.0
Oct	0.1	0.1	0.0	0.0
Nov	0.7	0.4	0.1	0.0
Dec	3.6	1.9	1.0	0.3
Annual	12.9	6.8	3.8	0.8

Growing Season Summary

Station: 112140 DANVILLE, IL

Growing Degree Day Averages

Derived from 1971-2000 Data

Base	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
40	17	42	168	397	718	958	1101	1039	803	475	173	39	5930
45	6	17	97	268	563	808	946	884	653	332	99	18	4695
50	2	5	51	163	411	658	791	730	505	209	49	8	3586
55	0	1	23	89	272	509	636	575	361	115	21	2	2609
60	0	0	7	40	156	362	481	421	231	52	6	0	1759
50**	9	25	105	246	456	640	755	710	523	293	96	19	3878

**Modified Growing Degree Days: Base 50, Ceiling 86.

Growing Season Summary

Derived from 1971-2000 Averages

Temp °F	Median	Early	90%	10%	Late	Median	Early	90%	10%	Late
	Date of Last Spring Occurrence					Date of First Fall Occurrence
32	4/25	3/30	4/10	5/11	5/17	10/11	9/22	10/01	10/21	10/29
30	4/21	3/28	4/05	5/07	5/12	10/19	9/22	10/03	11/03	11/04
28	4/10	3/24	4/02	4/28	5/05	10/26	10/03	10/09	11/08	11/20
24	4/05	3/07	3/19	4/13	4/23	11/05	10/14	10/21	11/28	12/11
20	3/18	2/22	3/08	4/07	4/09	11/18	10/24	11/02	12/06	12/11
16	3/11	2/09	2/18	3/26	4/07	11/30	11/02	11/10	12/22	1/02

Length of Growing Season (Days)

Derived from 1971-2000 Averages

Temp °F	Median	Shortest	10%	90%	Longest
32	169	137	146	190	201
30	180	144	163	202	209
28	196	165	177	217	226
24	215	194	202	248	257
20	241	220	222	265	276
16	264	222	242	293	311

Thanks to The Illinois State Water Survey & Jim Angel, State Climatologist,
For use of the Copyrighted data provided on this page.