HANNA, OK - COOP South Central station 343884

343884 - HANNA, Oklahoma

Latitude
35° 12´N

Longitude
95° 53´W

Elevation
207 meters

COOP South Central

10 nearest COOP South Central stations

10 mi	WNW :	DUSTIN, OK
17 mi	E :	EUFAULA 6 SSW, OK
17 mi	N :	DEWAR 2 NE, OK
19 mi	WNW :	WETUMKA 3 NE, OK
20 mi	W :	WETUMKA SCS, OK
21 mi	SSE :	MC ALESTER, OK
23 mi	SSE :	MCALESTER MUNICIPAL AP, OK
26 mi	ENE :	LAKE EUFAULA, OK
26 mi	SW :	CALVIN, OK
28 mi	NE :	CHECOTAH, OK

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

	Total observations	%	NDJFM observations	%
TMAX	13576	74.3%	5647	74.7%
TMIN	13572	74.3%	5645	74.6%
PRCP	17716	97.0%	7235	95.7%
SNOW	17556	96.1%	7072	93.5%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	5647 by year	56.9°F	13.4°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>=76°F	389	0.27	71	38	1.9*	map	table
Extreme low events Days with TMAX<=36°F	416	-0.27	62	106	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>=76°F	389	-0.33	30	84	2.8*	map	table
Extreme low events Days with TMAX<=36°F	416	0.10	79	73	1.1	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>=76°F	389	47	61	1.3	map	table
Extreme low events Days with TMAX<=36°F	416	63	30	2.1*	map	table

TMAX under 2 index extremes Help

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	5645 by year	33.9°F	12.3°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<=16°F	388	-0.29	66	98	1.5*	map	table
Extreme high events Days with TMIN>=54°F	398	0.33	86	36	2.4*	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<=16°F	388	0.24	102	69	1.5*	map	table
Extreme high events Days with TMIN>=54°F	398	-0.62	8	94	11.8*	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<=16°F	388	32	33	1.0	map	table
Extreme high events Days with TMIN>=54°F	398	72	62	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	7235 by year	0.09"		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"	1661	0.39"	0.04	297	275	1.1	map	table
Extreme events Days with PRCP>0.69"	329	1.27"	0.07	46	43	1.1	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"	1661	0.39"	-0.22	196	332	1.7*	map	table
Extreme events Days with PRCP>0.69"	329	1.27"	-0.36	28	60	2.1*	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"	1661	0.39"	330	199	1.7*	map	table
Extreme events Days with PRCP>0.69"	329	1.27"	66	44	1.5	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	7072 by year	0.04"		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"	157	1.93"	-0.46	16	44	2.8*	map	table
Extreme events Days with SNOW>3.0"	27	5.60"	-0.17	3	6	2.0	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"	157	1.93"	0.08	26	24	1.1	map	table
Extreme events Days with SNOW>3.0"	27	5.60"	0.36	6	3	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"	157	1.93"	24	12	2.0*	map	table
Extreme events Days with SNOW>3.0"	27	5.60"	3	5	1.7	map	table

SNOW under 2 index extremes Help

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