LOUISA, VA - COOP Mid-Atlantic station 445050

445050 - LOUISA, Virginia

Latitude
38° 2´N

Longitude
78° 0´W

Elevation
128 meters

COOP Mid-Atlantic

10 nearest COOP Mid-Atlantic stations

8 mi	WNW :	GORDONSVILLE FAA AP, VA
11 mi	WNW :	GORDONSVILLE 3 S, VA
14 mi	NNW :	PIEDMONT RESEARCH STN, VA
16 mi	E :	PARTLOW 3 WNW, VA
18 mi	SW :	PALMYRA 1 E, VA
18 mi	NNW :	ORANGE 3 N, VA
19 mi	N :	RAPIDAN, VA
19 mi	SW :	PALMYRA, VA
21 mi	NW :	SOMERSET, VA
22 mi	SSW :	COLUMBIA 2SSE, VA

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

	Total observations	%	NDJFM observations	%
TMAX	17996	98.5%	7462	98.7%
TMIN	17995	98.5%	7462	98.7%
PRCP	18012	98.6%	7468	98.7%
SNOW	18013	98.6%	7469	98.8%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7462 by year	52.1°F	12.2°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>=71°F	514	0.35	95	37	2.6*	map	table
Extreme low events Days with TMAX<=34°F	530	-0.28	83	129	1.6*	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>=71°F	514	-0.63	20	138	6.9*	map	table
Extreme low events Days with TMAX<=34°F	530	0.52	161	59	2.7*	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>=71°F	514	80	104	1.3	map	table
Extreme low events Days with TMAX<=34°F	530	73	56	1.3	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7462 by year	29.8°F	11.5°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<=13°F	576	-0.27	84	137	1.6*	map	table
Extreme high events Days with TMIN>=48°F	501	0.22	81	44	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<=13°F	576	0.56	181	55	3.3*	map	table
Extreme high events Days with TMIN>=48°F	501	-0.46	32	127	4.0*	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	576	83	66	1.3	map	table
Extreme high events Days with TMIN>=48°F	501	85	79	1.1	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	7468 by year	0.11"		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"	2233	0.38"	0.02	374	371	1.0	map	table
Extreme events Days with PRCP>0.64"	446	1.10"	-0.01	65	71	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"	2233	0.38"	-0.05	358	408	1.1	map	table
Extreme events Days with PRCP>0.64"	446	1.10"	0.22	99	47	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"	2233	0.38"	330	374	1.1	map	table
Extreme events Days with PRCP>0.64"	446	1.10"	74	54	1.4	map	table

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SNOW Help top of page

SNOW	observations	mean		Distribution	during extreme days of
NDJFM	7469 by year	0.12"		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"	336	2.76"	-0.29	45	80	1.8*	map	table
Extreme events Days with SNOW>4.0"	57	7.72"	-0.23	6	10	1.7	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"	336	2.76"	0.49	95	36	2.6*	map	table
Extreme events Days with SNOW>4.0"	57	7.72"	0.53	14	4	3.5*	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"	336	2.76"	46	44	1.0	map	table
Extreme events Days with SNOW>4.0"	57	7.72"	11	5	2.2	map	table

SNOW under 2 index extremes Help

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