KEYSTONE DAM, OK - COOP South Central station 344812

344812 - KEYSTONE DAM, Oklahoma

Latitude
36° 9´N

Longitude
96° 15´W

Elevation
215 meters

COOP South Central

10 nearest COOP South Central stations

2 mi	WSW :	KEYSTONE 3 SSW, OK
10 mi	W :	MANNFORD 6 NW, OK
12 mi	SSE :	SAPULPA 1W, OK
14 mi	S :	HEYBURN DAM, OK
14 mi	E :	TULSA, OK
16 mi	NW :	CLEVELAND, OK
17 mi	NW :	CLEVELAND 1, OK
18 mi	WNW :	CLEVELAND 4 WSW, OK
19 mi	WSW :	OILTON 2 SE, OK
19 mi	WSW :	OILTON, OK

Weather variables Help
Click a weather variable name to jump down to those statistics.

	Total observations	%	NDJFM observations	%
TMAX	12742	69.8%	5002	66.1%
TMIN	12730	69.7%	5003	66.2%
PRCP	13911	76.2%	5685	75.2%
SNOW	13193	72.2%	4943	65.4%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	5002 by year	54.5°F	14.4°F		overall	NAM	PNA	CTI

TMAX and NAM Help scatterplot	days by month	mean NAM index	extreme high NAM days	extreme low NAM days	ratio of extreme high:low NAM days
Extreme high events Days with TMAX>=75°F	381	0.25	73	39	1.9*	map	table
Extreme low events Days with TMAX<=32°F	357	-0.28	52	90	1.7*	map	table

TMAX and PNA Help scatterplot	days by month	mean PNA index	extreme high PNA days	extreme low PNA days	ratio of extreme high:low PNA days
Extreme high events Days with TMAX>=75°F	381	-0.35	24	74	3.1*	map	table
Extreme low events Days with TMAX<=32°F	357	0.06	67	66	1.0	map	table

TMAX and CTI Help	days by month	high CTI days (moderate to strong El Niño winters)	low CTI days (moderate to strong La Niña winters)	ratio of high:low CTI (El Niño:La Niña days)
Extreme high events Days with TMAX>=75°F	381	50	53	1.1	map	table
Extreme low events Days with TMAX<=32°F	357	42	33	1.3	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	5003 by year	29.5°F	12.1°F		overall	NAM	PNA	CTI

TMIN and NAM Help scatterplot	days by month	mean NAM index	extreme high NAM days	extreme low NAM days	ratio of extreme high:low NAM days
Extreme low events Days with TMIN<=11°F	344	-0.37	52	96	1.8*	map	table
Extreme high events Days with TMIN>=48°F	361	0.35	77	29	2.7*	map	table

TMIN and PNA Help scatterplot	days by month	mean PNA index	extreme high PNA days	extreme low PNA days	ratio of extreme high:low PNA days
Extreme low events Days with TMIN<=11°F	344	0.14	83	66	1.3	map	table
Extreme high events Days with TMIN>=48°F	361	-0.54	10	76	7.6*	map	table

TMIN and CTI Help	days by month	high CTI days (moderate to strong El Niño winters)	low CTI days (moderate to strong La Niña winters)	ratio of high:low CTI (El Niño:La Niña days)
Extreme low events Days with TMIN<=11°F	344	40	33	1.2	map	table
Extreme high events Days with TMIN>=48°F	361	65	55	1.2	map	table

TMIN under 2 index extremes Help

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PRCP (total liquid water equivalent) Help top of page

PRCP	observations	mean		Distribution	during extreme days of
NDJFM	5685 by year	0.07"		overall	NAM	PNA	CTI

PRCP and NAM Help scatterplot	days by month	mean	mean NAM index	extreme high NAM days	extreme low NAM days	ratio of extreme high:low NAM days
Observed events Days with PRCP>0.00"	1037	0.41"	0.08	186	157	1.2	map	table
Extreme events Days with PRCP>0.68"	206	1.26"	0.15	35	27	1.3	map	table

PRCP and PNA Help scatterplot	days by month	mean	mean PNA index	extreme high PNA days	extreme low PNA days	ratio of extreme high:low PNA days
Observed events Days with PRCP>0.00"	1037	0.41"	-0.18	128	203	1.6*	map	table
Extreme events Days with PRCP>0.68"	206	1.26"	-0.27	23	41	1.8*	map	table

PRCP and CTI Help	days by month	mean	high CTI days (moderate to strong El Niño winters)	low CTI days (moderate to strong La Niña winters)	ratio of high:low CTI (El Niño:La Niña days)
Observed events Days with PRCP>0.00"	1037	0.41"	214	94	2.3*	map	table
Extreme events Days with PRCP>0.68"	206	1.26"	51	20	2.5*	map	table

PRCP under 2 index extremes Help

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SNOW Help top of page

SNOW	observations	mean		Distribution	during extreme days of
NDJFM	4943 by year	0.02"		overall	NAM	PNA	CTI

SNOW and NAM Help scatterplot	days by month	mean	mean NAM index	extreme high NAM days	extreme low NAM days	ratio of extreme high:low NAM days
Observed events Days with SNOW>0.0"	48	2.53"	-0.21	7	11	1.6	map	table
Extreme events Days with SNOW>4.5"	9	6.78"	0.62	3	1	3.0	map	table

SNOW and PNA Help scatterplot	days by month	mean	mean PNA index	extreme high PNA days	extreme low PNA days	ratio of extreme high:low PNA days
Observed events Days with SNOW>0.0"	48	2.53"	0.31	12	7	1.7	map	table
Extreme events Days with SNOW>4.5"	9	6.78"	-0.18	1	2	2.0	map	table

SNOW and CTI Help	days by month	mean	high CTI days (moderate to strong El Niño winters)	low CTI days (moderate to strong La Niña winters)	ratio of high:low CTI (El Niño:La Niña days)
Observed events Days with SNOW>0.0"	48	2.53"	8	2	4.0*	map	table
Extreme events Days with SNOW>4.5"	9	6.78"	1	1	1.0	map	table

SNOW under 2 index extremes Help

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