WELDON SPRING, MO - COOP Northern Plains station 238805

238805 - WELDON SPRING, Missouri

Latitude
38° 42´N

Longitude
90° 41´W

Elevation
178 meters

COOP Northern Plains

10 nearest COOP Northern Plains stations

9 mi	E :	ST CHARLES 7 SSW, MO
9 mi	NE :	ST LOUIS WSO, MO
11 mi	ENE :	ST CHARLES, MO
15 mi	SE :	VALLEY PARK, MO
17 mi	ENE :	ST LOUIS LAMBERT INT'L ARPT, MO
17 mi	S :	PACIFIC 1 S, MO
19 mi	SW :	VILLA RIDGE 2 NW, MO
19 mi	WSW :	WASHINGTON, MO
19 mi	ESE :	WEBSTER GROVES, MO
20 mi	E :	SAINT LOUIS WASHINGTON UNIV, MO

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

	Total observations	%	NDJFM observations	%
TMAX	12144	66.5%	4960	65.6%
TMIN	13111	71.8%	5287	69.9%
PRCP	13539	74.1%	5473	72.4%
SNOW	12740	69.8%	4431	58.6%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	4960 by year	46.4°F	15.0°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>=70°F	336	0.23	59	29	2.0*	map	table
Extreme low events Days with TMAX<=25°F	366	-0.45	49	99	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>=70°F	336	-0.41	21	69	3.3*	map	table
Extreme low events Days with TMAX<=25°F	366	0.32	102	59	1.7*	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>=70°F	336	60	59	1.0	map	table
Extreme low events Days with TMAX<=25°F	366	51	34	1.5	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	5287 by year	25.3°F	13.4°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<=3°F	361	-0.53	50	109	2.2*	map	table
Extreme high events Days with TMIN>=45°F	357	0.32	72	34	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<=3°F	361	0.44	114	52	2.2*	map	table
Extreme high events Days with TMIN>=45°F	357	-0.46	12	67	5.6*	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<=3°F	361	30	30	1.0	map	table
Extreme high events Days with TMIN>=45°F	357	90	39	2.3*	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	5473 by year	0.08"		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"	1296	0.35"	-0.01	209	216	1.0	map	table
Extreme events Days with PRCP>0.55"	258	1.08"	0.18	45	30	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"	1296	0.35"	-0.09	194	232	1.2	map	table
Extreme events Days with PRCP>0.55"	258	1.08"	-0.44	15	58	3.9*	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"	1296	0.35"	251	106	2.4*	map	table
Extreme events Days with PRCP>0.55"	258	1.08"	59	23	2.6*	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	4431 by year	0.08"		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"	182	2.02"	-0.51	17	48	2.8*	map	table
Extreme events Days with SNOW>3.1"	36	5.62"	-0.53	3	12	4.0	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"	182	2.02"	0.34	49	19	2.6*	map	table
Extreme events Days with SNOW>3.1"	36	5.62"	0.11	7	3	2.3	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"	182	2.02"	11	6	1.8*	map	table
Extreme events Days with SNOW>3.1"	36	5.62"	3	2	1.5	map	table

SNOW under 2 index extremes Help

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