OK63 Coop Summary

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Cooperative Observer Station Summary

NORMAN 3 S (346386)
*	CLEVELAND County	Climate Division: 5
*	Latitude: 3511N; Longitude: 09727W	Elevation: 1108 ft
*	Precipitation Period of Record:	1894/10-2010/10 ( 90%)
*	Temperature Period of Record:	1894/11-2010/10 ( 74%)

	Temperature (deg Fahrenheit)			Precipitation (inches)	Snowfall and Sleet (inches)
Monthly Averages (1971-2000)
	Daily Max	Daily Min	Daily Avg	Monthly Average	Monthly Average
January	NA	NA	NA	NA	2.2
February	NA	NA	NA	NA	.6
March	NA	NA	NA	NA	.3
April	NA	NA	NA	NA	.0
May	NA	NA	NA	NA	.0
June	NA	NA	NA	NA	.0
July	NA	NA	NA	NA	.0
August	NA	NA	NA	NA	.0
September	NA	NA	NA	NA	.0
October	NA	NA	NA	NA	.0
November	NA	NA	NA	NA	.5
December	NA	NA	NA	NA	1.0
Annual	NA	NA	NA	NA	4.9

	Temperature					Precipitation						Snowfall and Sleet
Average Number of Days Per Month (1971-2000)
	Max>100	Max>90	Max<32	Min<32	Min<0	any	meas	0.10"+	0.25"+	0.50"+	1.00"+	any	meas	0.50"+	1.00"+	Glazing
Jan	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	3	1	1	1	NA
Feb	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	1	*	*	*	NA
Mar	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	*	*	*	*	NA
Apr	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	*	0	0	0	NA
May	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	0	0	0	0	NA
Jun	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	0	0	0	0	NA
Jul	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	0	0	0	0	NA
Aug	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	0	0	0	0	NA
Sep	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	0	0	0	0	NA
Oct	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	*	0	0	0	NA
Nov	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	1	*	*	*	NA
Dec	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	2	1	1	*	NA
Ann	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	7	3	2	2	NA

Month	Maximum Temperature Higher Than:	Minimum Temperature Lower Than:	Precipitation Less Than:	Precipitation Greater Than:
Exceedence Values (2 in 10 years)
January	75	1	.36	2.34
February	79	8	.57	2.33
March	89	15	.96	3.82
April	92	28	1.87	4.64
May	96	39	2.74	7.88
June	101	51	1.56	6.52
July	105	57	1.03	4.74
August	107	55	1.17	4.40
September	102	41	1.25	5.99
October	94	29	1.05	4.93
November	83	17	.55	3.76
December	75	6	.56	2.93
Annual	107	0	27.56	41.47

	Temperature (F) (1894-2010)				Precipitation (inches) (1894-2010)		Snowfall (1894-2010)
Monthly Extremes
	Record High		Record Low		Monthly Max	Daily Max	Monthly Max	Daily Max	Greatest Depth
Jan	81	(22nd, 1909)	-9	(22nd, 1930)	6.85" (1949)	3.75" (31st, 1923)	12.0" (1988)	8.0" ( 8th, 1944)	12.0" ( 4th, 1942)
Feb	90	(28th, 1904)	-17	(13th, 1899)	7.35" (1938)	4.47" (23rd, 1985)	11.0" (1921)	11.0" (18th, 1921)	11.0" (18th, 1921)
Mar	97	(21st, 1916)	1	(11th, 1948)	8.68" (1990)	3.40" (28th, 1929)	10.9" (1948)	9.0" (10th, 1948)	9.0" (10th, 1948)
Apr	99	(12th, 1972)	20	( 2nd, 1936)	9.49" (1942)	3.80" (25th, 1924)	1.0" (1938)	1.0" ( 7th, 1938)	1.0" ( 7th, 1938)
May	102	(30th, 2003)	28	( 1st, 1903)	13.43" (1957)	7.95" (18th, 1949)	.0" -	.0" -	.0" -
Jun	109	(15th, 1896)	43	(16th, 1917)	13.50" (1932)	7.13" (10th, 1949)	.0" -	.0" -	.0" -
Jul	112	( 9th, 1917)	52	(31st, 1971)	9.33" (1953)	3.64" (10th, 2007)	.0" -	.0" -	.0" -
Aug	116	(10th, 1936)	47	(30th, 1915)	10.27" (2008)	5.60" (19th, 2007)	.0" -	.0" -	.0" -
Sep	107	( 1st, 1939)	32	(26th, 1912)	11.02" (1923)	6.38" (23rd, 1970)	.0" -	.0" -	.0" -
Oct	100	( 3rd, 1898)	10	(30th, 1917)	16.50" (1983)	8.95" (22nd, 1908)	.0" (1913)	.0" (26th, 1913)	.0" -
Nov	91	(17th, 1896)	0	(28th, 1894)	8.50" (1964)	3.15" (18th, 1899)	6.9" (2001)	5.9" (28th, 2001)	6.0" (28th, 2001)
Dec	86	(24th, 1955)	-3	(20th, 1924)	7.91" (1984)	2.80" (20th, 1991)	7.5" (1969)	6.0" ( 7th, 1942)	6.0" (29th, 1954)
Annual	116	(Aug 10, 1936)	-17	(Feb 13, 1899)	16.50" (Oct 1983)	8.95" (Oct 22, 1908)	12.0" (Jan 1988)	11.0" (Feb 18, 1921)	12.0" (Jan 4, 1942)

Probability	24 F or Lower	28 F or Lower	32 F or Lower
First Freezing Temperature in Fall
1 Year in 10	November 3	October 27	October 16
2 Years in 10	November 12	November 3	October 23
5 Years in 10	November 24	November 13	November 3
Last Freezing Temperature in Spring
Probability	24 F or Lower	28 F or Lower	32 F or Lower
1 Year in 10	March 31	April 9	April 17
2 Years in 10	March 26	April 5	April 13
5 Years in 10	March 15	March 24	April 5

Probability	Higher Than 24 F	Higher Than 28 F	Higher Than 32 F
Number of Days in Growing Season
9 Years in 10	226	210	192
8 Years in 10	237	215	197
5 Years in 10	257	234	211
2 Years in 10	274	253	227
1 Year in 10	282	262	238

PERCENT	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	ANNUAL
Precipitation Quantiles (Inches)
MEAN	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
10%	.23	.33	.54	1.21	1.81	1.18	.40	.72	.81	.57	.22	.23	23.92
20%	.36	.57	.96	1.87	2.74	1.56	1.03	1.17	1.25	1.05	.55	.56	27.56
30%	.55	.82	1.69	2.22	3.76	1.97	1.50	1.51	1.71	1.48	.87	.83	30.37
40%	.90	1.02	1.90	2.62	4.44	3.09	2.06	1.90	2.12	1.84	1.27	1.03	31.63
50%	1.22	1.23	2.32	2.89	5.11	3.38	2.35	2.24	2.77	2.38	1.62	1.31	34.21
60%	1.38	1.52	2.68	3.38	5.98	4.44	2.99	2.72	3.94	3.05	2.15	1.58	36.67
70%	1.75	1.71	3.12	3.90	6.52	5.41	3.70	3.38	4.74	4.35	2.90	2.12	38.67
80%	2.34	2.33	3.82	4.64	7.88	6.52	4.74	4.40	5.99	4.93	3.76	2.93	41.47
90%	3.32	3.13	5.56	5.56	10.16	8.63	6.95	5.43	6.99	6.29	4.65	3.42	46.61