OK96 Coop Summary

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Cooperative Observer Station Summary

WILBURTON (349634)
*	LATIMER County	Climate Division: 9
*	Latitude: 3457N; Longitude: 09510W	Elevation: 634 ft
*	Precipitation Period of Record:	1921/02-2004/11 ( 74%)
*	Temperature Period of Record:	1921/02-2004/11 ( 75%)

	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	2.9
February	NA	NA	NA	NA	1.5
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	.3
December	NA	NA	NA	NA	1.3
Annual	NA	NA	NA	NA	NA

	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	2	1	1	1	2
Feb	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	1	1	1	*	1
Mar	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	0
May	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	0	0	0	0	0
Jun	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	0	0	0	0	0
Jul	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	0	0	0	0	0
Aug	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	0	0	0	0	0
Sep	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	0	0	0	0	0
Oct	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	*	*	0	0	*
Nov	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	1	*	*	*	1
Dec	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	2	1	1	1	2
Ann	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	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	.98	3.65
February	80	10	1.30	4.46
March	85	15	1.92	5.58
April	90	27	2.87	7.49
May	93	38	2.97	8.90
June	98	47	2.44	6.77
July	106	56	1.06	6.81
August	107	53	1.63	4.30
September	103	38	1.97	7.25
October	93	27	1.17	6.02
November	83	15	1.50	6.21
December	77	8	1.28	4.89
Annual	108	0	42.04	55.20

	Temperature (F) (1921-2004)				Precipitation (inches) (1921-2004)		Snowfall (1921-2004)
Monthly Extremes
	Record High		Record Low		Monthly Max	Daily Max	Monthly Max	Daily Max	Greatest Depth
Jan	83	(23rd, 1943)	-12	( 9th, 1944)	9.17" (1998)	4.38" ( 4th, 1998)	15.7" (1995)	10.0" (23rd, 1995)	12.0" (23rd, 1995)
Feb	90	(22nd, 1996)	-16	( 2nd, 1951)	11.03" (1945)	5.34" ( 9th, 1966)	16.5" (1921)	16.0" (18th, 1921)	16.0" (18th, 1921)
Mar	93	(31st, 1974)	4	( 3rd, 1943)	11.37" (1945)	4.05" (27th, 1977)	4.5" (1967)	4.0" ( 3rd, 1971)	4.0" ( 3rd, 1971)
Apr	92	( 6th, 1946)	25	( 6th, 1950)	13.95" (1957)	5.00" ( 8th, 2002)	.0" (1939)	.0" ( 6th, 1939)	.0" -
May	97	(28th, 1927)	32	( 4th, 1954)	16.52" (1960)	7.19" (19th, 1960)	.0" -	.0" -	.0" -
Jun	108	(19th, 1953)	42	( 2nd, 1948)	13.53" (1921)	3.55" ( 8th, 1925)	.0" -	.0" -	.0" -
Jul	111	(13th, 1954)	48	(22nd, 1970)	14.92" (1950)	5.02" ( 4th, 1972)	.0" -	.0" -	.0" -
Aug	111	( 2nd, 1998)	48	(25th, 1966)	11.28" (1964)	7.70" (15th, 1964)	.0" -	.0" -	.0" -
Sep	113	( 4th, 1998)	32	(27th, 1942)	26.27" (1947)	6.05" (16th, 1950)	.0" -	.0" -	.0" -
Oct	101	( 1st, 1953)	19	(31st, 1993)	12.28" (1971)	6.45" (17th, 1971)	.1" (1993)	.1" (30th, 1993)	.0" -
Nov	88	(15th, 1955)	6	(29th, 1976)	15.66" (1994)	5.20" (15th, 1985)	2.0" (1952)	2.0" (29th, 1952)	2.0" (29th, 1952)
Dec	81	(13th, 1948)	-10	(23rd, 1989)	9.75" (1971)	5.85" (13th, 1927)	14.0" (2000)	4.0" (25th, 1975)	4.0" (25th, 1975)
Annual	113	(Sep 4, 1998)	-16	(Feb 2, 1951)	26.27" (Sep 1947)	7.70" (Aug 15, 1964)	16.5" (Feb 1921)	16.0" (Feb 18, 1921)	16.0" (Feb 18, 1921)

Probability	24 F or Lower	28 F or Lower	32 F or Lower
First Freezing Temperature in Fall
1 Year in 10	November 4	October 20	October 9
2 Years in 10	November 5	October 26	October 15
5 Years in 10	November 14	November 6	October 25
Last Freezing Temperature in Spring
Probability	24 F or Lower	28 F or Lower	32 F or Lower
1 Year in 10	March 25	April 12	April 21
2 Years in 10	March 22	April 7	April 16
5 Years in 10	March 10	March 27	April 6

Probability	Higher Than 24 F	Higher Than 28 F	Higher Than 32 F
Number of Days in Growing Season
9 Years in 10	233	201	179
8 Years in 10	236	209	184
5 Years in 10	248	224	202
2 Years in 10	274	236	220
1 Year in 10	283	259	226

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%	.62	.72	1.30	2.43	2.60	1.61	.61	1.00	.89	.69	.72	.55	35.76
20%	.98	1.30	1.92	2.87	2.97	2.44	1.06	1.63	1.97	1.17	1.50	1.28	42.04
30%	1.45	1.63	2.42	3.84	4.21	3.16	1.61	2.22	2.90	1.79	1.72	1.83	44.98
40%	1.82	2.07	2.88	4.60	4.70	3.44	2.22	2.78	3.71	2.46	2.59	2.31	46.10
50%	2.27	2.51	3.31	4.93	5.46	4.37	3.03	2.94	4.34	2.90	2.98	3.04	47.69
60%	2.81	2.68	4.06	5.87	6.44	5.07	4.92	3.45	5.05	4.01	4.13	3.81	50.33
70%	3.09	3.52	5.05	6.57	7.60	5.58	5.29	3.91	5.79	4.73	4.87	4.19	54.20
80%	3.65	4.46	5.58	7.49	8.90	6.77	6.81	4.30	7.25	6.02	6.21	4.89	55.20
90%	4.73	5.63	6.88	9.35	9.90	8.89	9.62	4.80	10.49	8.35	8.54	6.13	66.26