Chester County Climatology 1894 - Present
	Avg	Avg	Avg	Record			Record			90+	Sub 32	Sub 32	Sub 0			Precip	Record		Record			Avg	Record
Month	Hi	Low	Temp	Hi	Year	Date	Lo	Year	Date	Days	Days	Lows	Lows	HDD	CDD	Avg Month	Precip	Year	Day	Year	Date	Snow	Snow	Year
JAN	38.4	20.8	29.6	75.0	1950	26	(19.0)	1912	14	0	8	27	1	1094	0	3.58	9.72	1979	2.76	1979	24	8.7	40.5	1905
FEB	40.4	21.5	31.0	77.0	1930	25	(14.0)	1934	9	0	6	25	1	955	0	3.26	10.22	1899	3.53	1899	13	10.1	69.8	1899
MAR	50.5	29.6	40.1	89.4	1998	30	(4.0)	1984	10	0	1	20	0	775	0	4.03	9.75	1993	3.45	2000	21	5.4	27.1	1914
APR	62.2	39.1	50.7	95.0	1896	17,18	7.0	1923	7	0	0	7	0	446	0	3.73	9.23	1983	3.06	1998	1	1.2	29.2	1894
MAY	72.8	49.3	61.1	95.0	1962	19,20	25.0	1947	9	1	0	1	0	124	0	4.12	11.72	1894	3.55	1894	21	0.0	0.0
JUN	81.2	58.4	69.8	100.0	1934	29	34.0	1930	1	4	0	0	0	0	147	4.27	12.18	1938	3.75	1972	22	0.0	0.0
JUL	85.6	63.3	74.5	104.0	1936	10	43.0	1952	1	9	0	0	0	0	295	4.49	10.62	1916	4.78	1979	20	0.0	0.0
AUG	83.5	61.5	72.5	107.0	1918	7	38.0	1982	28	5	0	0	0	0	229	4.37	17.81	1955	5.57	1942	9	0.0	0.0
SEP	77.0	54.2	65.6	102.0	1953	2	30.0	1956	21	2	0	0	0	0	18	3.94	13.56	1999	8.28	1999	16	0.0	0.0
OCT	65.8	42.2	54.0	94.0	1941	5	17.0	1936	17	0	0	5	0	341	0	3.36	7.62	1976	3.19	1894	10	0.0	3.5	1925
NOV	53.4	33.0	43.2	84.0	1950	1	5.0	1938	26	0	0	16	0	657	0	3.41	8.87	1972	3.40	1935	17	1.2	11.4	1898
DEC	41.7	24.2	33.0	75.7	1998	7	(9.0)	1917	30	0	5	26	0	995	0	3.78	9.42	1996	4.21	1909	13	5.3	39.3	1909
YEAR	62.7	41.4	52.1	107.0	1918	8 / 7	(19.0)	1912	1/14	21	21	126	2	5388	689	46.34			75.12	1996		31.9	82.1	1899