ST LOUIS WSO, MO - COOP Northern Plains station 237475

237475 - ST LOUIS WSO, Missouri

Latitude
38° 48´N

Longitude
90° 34´W

Elevation
166 meters

COOP Northern Plains

10 nearest COOP Northern Plains stations

4 mi	ESE :	ST CHARLES, MO
8 mi	SSE :	ST CHARLES 7 SSW, MO
9 mi	SW :	WELDON SPRING, MO
11 mi	ESE :	ST LOUIS LAMBERT INT'L ARPT, MO
15 mi	NNW :	CAP AU GRIS L & D 25, MO
17 mi	SE :	SAINT LOUIS WASHINGTON UNIV, MO
18 mi	SSE :	VALLEY PARK, MO
19 mi	SE :	WEBSTER GROVES, MO
20 mi	SE :	ST LOUIS SCIENCE CTR, MO
21 mi	ESE :	ST LOUIS ST LOUIS UNIV, MO

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

	Total observations	%	NDJFM observations	%
TMAX	5366	29.4%	2210	29.2%
TMIN	5374	29.4%	2212	29.2%
PRCP	5401	29.6%	2243	29.7%
SNOW	5431	29.7%	2252	29.8%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	2210 by year	46.8°F	15.1°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	161	0.47	41	13	3.2*	map	table
Extreme low events Days with TMAX<=26°F	169	0.28	43	24	1.8	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	161	-0.24	17	26	1.5	map	table
Extreme low events Days with TMAX<=26°F	169	0.20	44	31	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>=70°F	161	46	12	3.8*	map	table
Extreme low events Days with TMAX<=26°F	169	13	9	1.4	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	2212 by year	27.5°F	13.1°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<=6°F	164	0.07	34	30	1.1	map	table
Extreme high events Days with TMIN>=45°F	169	0.49	43	13	3.3*	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<=6°F	164	0.31	47	23	2.0*	map	table
Extreme high events Days with TMIN>=45°F	169	-0.41	7	27	3.9*	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<=6°F	164	12	7	1.7	map	table
Extreme high events Days with TMIN>=45°F	169	53	10	5.3*	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	2243 by year	0.09"		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"	656	0.32"	0.38	151	69	2.2*	map	table
Extreme events Days with PRCP>0.53"	131	1.00"	0.32	20	8	2.5*	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"	656	0.32"	-0.02	108	110	1.0	map	table
Extreme events Days with PRCP>0.53"	131	1.00"	-0.25	13	21	1.6	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"	656	0.32"	152	48	3.2*	map	table
Extreme events Days with PRCP>0.53"	131	1.00"	21	12	1.8	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	2252 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"	125	1.99"	0.30	33	14	2.4*	map	table
Extreme events Days with SNOW>3.5"	25	5.57"	0.22	6	1	6.0	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"	125	1.99"	0.15	25	19	1.3	map	table
Extreme events Days with SNOW>3.5"	25	5.57"	-0.29	2	4	2.0	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"	125	1.99"	21	11	1.9	map	table
Extreme events Days with SNOW>3.5"	25	5.57"	2	2	1.0	map	table

SNOW under 2 index extremes Help

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