WILLIAMSTOWN 3 W, KY - COOP Mid-Atlantic station 158714

158714 - WILLIAMSTOWN 3 W, Kentucky

Latitude
38° 40´N

Longitude
84° 37´W

Elevation
287 meters

COOP Mid-Atlantic

10 nearest COOP Mid-Atlantic stations

4 mi	NNE :	DRY RIDGE KSP POST 6, KY
9 mi	W :	JONESVILLE 1 S, KY
15 mi	SW :	OWENTON 2 S, KY
15 mi	SW :	OWENTON, KY
15 mi	E :	FALMOUTH, KY
19 mi	ESE :	MC KINNEYSBURG, KY
20 mi	S :	SADIEVILLE, KY
20 mi	WNW :	WARSAW MARKLAND DAM, KY
22 mi	SW :	GEST LOCK 3, KY
25 mi	NNW :	GRANT DAM 38, KY

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

	Total observations	%	NDJFM observations	%
TMAX	17941	98.2%	7429	98.2%
TMIN	18087	99.0%	7456	98.6%
PRCP	18102	99.1%	7464	98.7%
SNOW	18009	98.6%	7372	97.5%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7429 by year	47.4°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>=67°F	574	0.26	92	49	1.9*	map	table
Extreme low events Days with TMAX<=28°F	565	-0.44	69	154	2.2*	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>=67°F	574	-0.47	39	125	3.2*	map	table
Extreme low events Days with TMAX<=28°F	565	0.67	187	47	4.0*	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>=67°F	574	93	99	1.1	map	table
Extreme low events Days with TMAX<=28°F	565	70	74	1.1	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7456 by year	28.3°F	12.8°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<=8°F	510	-0.56	59	153	2.6*	map	table
Extreme high events Days with TMIN>=48°F	524	0.31	104	49	2.1*	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<=8°F	510	0.64	172	44	3.9*	map	table
Extreme high events Days with TMIN>=48°F	524	-0.61	18	141	7.8*	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<=8°F	510	59	49	1.2	map	table
Extreme high events Days with TMIN>=48°F	524	90	90	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	7464 by year	0.12"		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"	3074	0.28"	0.04	521	479	1.1	map	table
Extreme events Days with PRCP>0.46"	608	0.90"	0.08	99	94	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"	3074	0.28"	-0.09	487	571	1.2*	map	table
Extreme events Days with PRCP>0.46"	608	0.90"	-0.46	55	153	2.8*	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"	3074	0.28"	487	485	1.0	map	table
Extreme events Days with PRCP>0.46"	608	0.90"	81	124	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	7372 by year	0.11"		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"	638	1.31"	-0.30	78	148	1.9*	map	table
Extreme events Days with SNOW>2.0"	103	3.98"	-0.42	12	26	2.2	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"	638	1.31"	0.71	216	50	4.3*	map	table
Extreme events Days with SNOW>2.0"	103	3.98"	0.55	29	8	3.6*	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"	638	1.31"	85	81	1.0	map	table
Extreme events Days with SNOW>2.0"	103	3.98"	8	15	1.9	map	table

SNOW under 2 index extremes Help

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