CLARKSVILLE SEWAGE PLANT, TN - HCND station 401790

401790 - CLARKSVILLE SEWAGE PLANT, Tennessee

Latitude
36° 33´N

Longitude
87° 22´W

Elevation
382 feet

10 nearest HCND stations

21 mi	NNW :	HOPKINSVILLE, KY
27 mi	W :	DOVER 1W, TN
33 mi	S :	DICKSON, TN
59 mi	ENE :	BOWLING GREEN FAA AP, KY
71 mi	SE :	MURFREESBORO 5N, TN
82 mi	SSE :	LEWISBURG EXPERIMENT STN, TN
85 mi	N :	OWENSBORO 3W, KY
89 mi	SSW :	WAYNESBORO, TN
89 mi	NE :	LEITCHFIELD 2N, KY
94 mi	W :	UNION CITY, TN

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

	Total observations	%	NDJFM observations	%
TMAX	17614	96.4%	7215	95.4%
TMIN	17554	96.1%	7168	94.8%
PRCP	16831	92.2%	6768	89.5%
SNOW	11723	64.2%	4594	60.7%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7215 by year	53.3°F	13.5°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>=73°F	557	0.23	89	53	1.7*	map	table
Extreme low events Days with TMAX<=33°F	522	-0.38	68	135	2.0*	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>=73°F	557	-0.52	36	135	3.8*	map	table
Extreme low events Days with TMAX<=33°F	522	0.66	178	49	3.6*	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>=73°F	557	86	107	1.2	map	table
Extreme low events Days with TMAX<=33°F	522	67	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	7168 by year	31.2°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<=13°F	520	-0.54	57	151	2.6*	map	table
Extreme high events Days with TMIN>=50°F	536	0.15	93	62	1.5*	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<=13°F	520	0.64	175	54	3.2*	map	table
Extreme high events Days with TMIN>=50°F	536	-0.74	20	148	7.4*	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<=13°F	520	55	53	1.0	map	table
Extreme high events Days with TMIN>=50°F	536	77	118	1.5*	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	6768 by year	0.17"		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"	2714	0.42"	0.06	483	422	1.1*	map	table
Extreme events Days with PRCP>0.70"	537	1.34"	0.15	101	77	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"	2714	0.42"	-0.15	377	528	1.4*	map	table
Extreme events Days with PRCP>0.70"	537	1.34"	-0.50	36	137	3.8*	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"	2714	0.42"	424	471	1.1	map	table
Extreme events Days with PRCP>0.70"	537	1.34"	72	110	1.5*	map	table

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SNOW Help top of page

SNOW	observations	mean		Distribution	during extreme days of
NDJFM	4594 by year	0.07"		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"	208	1.50"	-0.47	21	55	2.6*	map	table
Extreme events Days with SNOW>2.7"	40	4.42"	-0.65	1	12	12.0*	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"	208	1.50"	0.61	67	18	3.7*	map	table
Extreme events Days with SNOW>2.7"	40	4.42"	0.42	11	4	2.8	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"	208	1.50"	20	43	2.1*	map	table
Extreme events Days with SNOW>2.7"	40	4.42"	3	4	1.3	map	table

SNOW under 2 index extremes Help

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