OK91 Coop Summary

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Cooperative Observer Station Summary

VALLIANT 3 W (349118)
*	MCCURTAIN County	Climate Division: 9
*	Latitude: 3400N; Longitude: 09509W	Elevation: 478 ft
*	Precipitation Period of Record:	1941/09-2010/10 ( 96%)
*	Temperature Period of Record:	1978/02-1978/02 (100%)

	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	2.69	.2
February	NA	NA	NA	3.40	.1
March	NA	NA	NA	4.28	.0
April	NA	NA	NA	4.14	.0
May	NA	NA	NA	6.33	.0
June	NA	NA	NA	4.30	.0
July	NA	NA	NA	3.67	.0
August	NA	NA	NA	2.64	.0
September	NA	NA	NA	5.11	.0
October	NA	NA	NA	4.88	.0
November	NA	NA	NA	5.10	.0
December	NA	NA	NA	4.57	.1
Annual	NA	NA	NA	50.89	.4

	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	9	8	6	4	2	1	*	*	*	*	NA
Feb	NA	NA	NA	NA	NA	8	7	5	4	3	1	*	*	*	0	NA
Mar	NA	NA	NA	NA	NA	9	8	6	5	3	2	*	*	0	0	NA
Apr	NA	NA	NA	NA	NA	10	9	6	4	3	1	0	0	0	0	NA
May	NA	NA	NA	NA	NA	12	10	8	6	4	2	0	0	0	0	NA
Jun	NA	NA	NA	NA	NA	9	8	6	4	3	1	0	0	0	0	NA
Jul	NA	NA	NA	NA	NA	7	6	4	3	2	2	0	0	0	0	NA
Aug	NA	NA	NA	NA	NA	7	6	4	3	2	1	0	0	0	0	NA
Sep	NA	NA	NA	NA	NA	8	7	6	4	3	2	0	0	0	0	NA
Oct	NA	NA	NA	NA	NA	8	7	6	4	3	2	0	0	0	0	NA
Nov	NA	NA	NA	NA	NA	8	7	6	4	3	2	0	0	0	0	NA
Dec	NA	NA	NA	NA	NA	9	8	6	4	3	1	*	*	*	*	NA
Ann	NA	NA	NA	NA	NA	102	89	69	48	34	17	1	1	*	*	NA

Month	Maximum Temperature Higher Than:	Minimum Temperature Lower Than:	Precipitation Less Than:	Precipitation Greater Than:
Exceedence Values (2 in 10 years)
January	NA	NA	1.16	3.99
February	NA	NA	1.52	5.36
March	NA	NA	2.60	6.29
April	NA	NA	2.68	6.95
May	NA	NA	3.48	8.58
June	NA	NA	1.76	6.17
July	NA	NA	1.30	6.84
August	NA	NA	1.03	4.97
September	NA	NA	2.71	6.63
October	NA	NA	1.28	6.69
November	NA	NA	1.42	6.29
December	NA	NA	1.91	5.75
Annual	NA	NA	39.25	57.71

	Temperature (F) (1978-1978)				Precipitation (inches) (1941-2010)		Snowfall (1941-2010)
Monthly Extremes
	Record High		Record Low		Monthly Max	Daily Max	Monthly Max	Daily Max	Greatest Depth
Jan	NA	NA	NA	NA	9.33" (1950)	5.04" (30th, 1969)	6.0" (1948)	5.0" (24th, 1948)	5.0" (24th, 1948)
Feb	NA	NA	19	(11th, 1978)	10.19" (1945)	4.00" ( 9th, 1965)	7.0" (2002)	6.9" ( 6th, 2002)	7.0" ( 6th, 2002)
Mar	NA	NA	NA	NA	16.02" (2008)	8.35" (19th, 2008)	1.6" (2010)	5.6" ( 1st, 1942)	2.0" (21st, 2010)
Apr	NA	NA	NA	NA	10.08" (1991)	4.89" (29th, 1953)	.0" (1953)	.0" (30th, 1953)	.0" -
May	NA	NA	NA	NA	13.07" (1954)	4.47" ( 3rd, 1990)	.0" -	.0" -	.0" -
Jun	NA	NA	NA	NA	11.10" (1992)	4.10" (27th, 1977)	.0" (1951)	.0" (10th, 1951)	.0" -
Jul	NA	NA	NA	NA	12.50" (1996)	4.61" (25th, 1949)	.0" -	.0" -	.0" -
Aug	NA	NA	NA	NA	9.64" (1996)	3.80" (14th, 1966)	.0" -	.0" -	.0" -
Sep	NA	NA	NA	NA	12.94" (1974)	5.55" (29th, 1980)	.0" -	2.0" ( 9th, 1942)	3.0" ( 9th, 1942)
Oct	NA	NA	NA	NA	15.68" (1954)	6.02" ( 1st, 1954)	.0" -	.0" -	.0" -
Nov	NA	NA	NA	NA	12.47" (1946)	6.60" (16th, 1978)	.0" (1948)	.0" (12th, 1948)	.0" -
Dec	NA	NA	NA	NA	17.20" (1971)	10.45" (10th, 1971)	4.0" (2004)	4.0" (23rd, 2004)	4.0" (23rd, 2004)
Annual	NA	NA	19	(Feb 11, 1978)	17.20" (Dec 1971)	10.45" (Dec 10, 1971)	7.0" (Feb 2002)	6.9" (Feb 6, 2002)	7.0" (Feb 6, 2002)

Probability	24 F or Lower	28 F or Lower	32 F or Lower
First Freezing Temperature in Fall
1 Year in 10	NA	NA	NA
2 Years in 10	NA	NA	NA
5 Years in 10	NA	NA	NA
Last Freezing Temperature in Spring
Probability	24 F or Lower	28 F or Lower	32 F or Lower
1 Year in 10	NA	NA	NA
2 Years in 10	NA	NA	NA
5 Years in 10	NA	NA	NA

Probability	Higher Than 24 F	Higher Than 28 F	Higher Than 32 F
Number of Days in Growing Season
9 Years in 10	NA	NA	NA
8 Years in 10	NA	NA	NA
5 Years in 10	NA	NA	NA
2 Years in 10	NA	NA	NA
1 Year in 10	NA	NA	NA

PERCENT	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	ANNUAL
Precipitation Quantiles (Inches)
MEAN	2.69	3.40	4.28	4.14	6.33	4.30	3.67	2.64	5.11	4.88	5.10	4.57	50.89
10%	.70	1.29	1.90	2.24	2.97	1.32	.70	.63	1.02	.78	1.19	1.04	36.84
20%	1.16	1.52	2.60	2.68	3.48	1.76	1.30	1.03	2.71	1.28	1.42	1.91	39.25
30%	1.54	2.05	2.99	3.29	3.94	2.32	1.79	1.24	3.35	2.61	1.95	2.33	42.63
40%	2.19	2.82	3.61	3.71	5.00	2.99	2.05	1.89	3.88	3.11	2.42	2.87	46.75
50%	2.61	3.40	4.36	4.15	5.93	3.50	2.81	2.44	4.39	3.86	3.55	3.81	50.34
60%	3.16	4.14	4.67	4.97	6.45	3.80	3.44	3.22	5.10	5.03	4.79	4.14	52.61
70%	3.47	4.67	5.22	5.78	7.62	5.01	4.67	4.24	5.73	5.54	5.82	4.89	55.09
80%	3.99	5.36	6.29	6.95	8.58	6.17	6.84	4.97	6.63	6.69	6.29	5.75	57.71
90%	5.99	6.99	7.55	8.41	10.56	7.87	8.45	6.27	8.32	9.02	9.04	7.13	63.81