ALTUS IRRIGATION RES STN, OK - HCND station 340179

340179 - ALTUS IRRIGATION RES STN, Oklahoma

Latitude
34° 35´N

Longitude
99° 20´W

Elevation
1380 feet

10 nearest HCND stations

18 mi	NNW :	MANGUM RESEARCH STATION, OK
33 mi	NNE :	HOBART FAA AP, OK
50 mi	NNW :	ERICK 4E, OK
51 mi	E :	LAWTON, OK
57 mi	NE :	CARNEGIE 2ENE, OK
71 mi	N :	HAMMON 3SSW, OK
74 mi	NNE :	WEATHERFORD, OK
82 mi	ESE :	WAURIKA, OK
93 mi	NE :	GEARY, OK
101 mi	SSW :	HASKELL, TX

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

	Total observations	%	NDJFM observations	%
TMAX	17541	96.0%	7151	94.6%
TMIN	17775	97.3%	7256	95.9%
PRCP	16815	92.1%	6887	91.1%
SNOW	11770	64.4%	4627	61.2%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7151 by year	59.6°F	14.0°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>=79°F	522	0.19	82	55	1.5*	map	table
Extreme low events Days with TMAX<=37°F	479	-0.21	85	121	1.4*	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>=79°F	522	-0.42	43	115	2.7*	map	table
Extreme low events Days with TMAX<=37°F	479	-0.10	76	103	1.4	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>=79°F	522	46	135	2.9*	map	table
Extreme low events Days with TMAX<=37°F	479	68	57	1.2	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7256 by year	32.4°F	10.5°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<=17°F	514	-0.17	93	120	1.3	map	table
Extreme high events Days with TMIN>=48°F	565	0.20	104	57	1.8*	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<=17°F	514	-0.07	85	100	1.2	map	table
Extreme high events Days with TMIN>=48°F	565	-0.54	19	116	6.1*	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<=17°F	514	44	77	1.8*	map	table
Extreme high events Days with TMIN>=48°F	565	91	95	1.0	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	6887 by year	0.04"		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"	1066	0.26"	0.09	204	174	1.2	map	table
Extreme events Days with PRCP>0.40"	213	0.81"	0.12	39	26	1.5	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"	1066	0.26"	-0.14	151	205	1.4*	map	table
Extreme events Days with PRCP>0.40"	213	0.81"	-0.07	27	30	1.1	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"	1066	0.26"	244	113	2.2*	map	table
Extreme events Days with PRCP>0.40"	213	0.81"	51	22	2.3*	map	table

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SNOW Help top of page

SNOW	observations	mean		Distribution	during extreme days of
NDJFM	4627 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"	96	1.70"	-0.15	18	24	1.3	map	table
Extreme events Days with SNOW>2.8"	19	3.94"	-0.43	2	6	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"	96	1.70"	0.21	28	15	1.9	map	table
Extreme events Days with SNOW>2.8"	19	3.94"	0.45	7	1	7.0	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"	96	1.70"	20	10	2.0	map	table
Extreme events Days with SNOW>2.8"	19	3.94"	8	2	4.0	map	table

SNOW under 2 index extremes Help

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