POMONA CAL POLY, CA - COOP Southwest station 047050

047050 - POMONA CAL POLY, California

Latitude
34° 4´N

Longitude
117° 49´W

Elevation
226 meters

COOP Southwest

California

Help

Main

10 nearest COOP Southwest stations

1 mi	S :	PACIFIC COLOGE FC 356B, CA
1 mi	S :	SPADRA LANTERMAN HOSP, CA
1 mi	N :	GLENDORA FC 287B, CA
1 mi	NNE :	SAN DIMAS FIRE FC95, CA
2 mi	W :	COVINA, CA
2 mi	WNW :	COVINA NIGG FC193B, CA
3 mi	SSE :	DIAMOND BAR, CA
3 mi	NE :	LA VERNE HTS FC 560 B, CA
3 mi	SSW :	WALNUT NI FC102C, CA
4 mi	NE :	CLAREMONT FC 230 D, CA

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

	Total observations	%	NDJFM observations	%
TMAX	17182	94.1%	7186	95.0%
TMIN	17185	94.1%	7188	95.0%
PRCP	17135	93.8%	7148	94.5%
SNOW	17211	94.2%	7193	95.1%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7186 by year	69.2°F	9.0°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>=84°F	503	0.20	92	47	2.0*	map	table
Extreme low events Days with TMAX<=56°F	482	0.15	108	71	1.5*	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>=84°F	503	0.68	159	21	7.6*	map	table
Extreme low events Days with TMAX<=56°F	482	-0.95	19	191	10.1*	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>=84°F	503	55	97	1.8*	map	table
Extreme low events Days with TMAX<=56°F	482	62	138	2.2*	map	table

TMAX under 2 index extremes Help

Station table

Maps - choose one extreme:

TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7188 by year	41.4°F	6.7°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<=31°F	538	0.07	116	97	1.2	map	table
Extreme high events Days with TMIN>=51°F	626	-0.04	94	113	1.2	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<=31°F	538	-0.80	25	185	7.4*	map	table
Extreme high events Days with TMIN>=51°F	626	0.26	145	64	2.3*	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<=31°F	538	52	128	2.5*	map	table
Extreme high events Days with TMIN>=51°F	626	112	81	1.4*	map	table

TMIN under 2 index extremes Help

Station table

Maps - choose one extreme:

PRCP (total liquid water equivalent) Help top of page

PRCP	observations	mean		Distribution	during extreme days of
NDJFM	7148 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"	1156	0.58"	0.01	222	206	1.1	map	table
Extreme events Days with PRCP>0.95"	227	1.76"	0.03	44	49	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"	1156	0.58"	-0.33	147	295	2.0*	map	table
Extreme events Days with PRCP>0.95"	227	1.76"	-0.28	38	62	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"	1156	0.58"	253	172	1.5*	map	table
Extreme events Days with PRCP>0.95"	227	1.76"	65	27	2.4*	map	table

PRCP under 2 index extremes Help

Station table

Maps - choose one extreme:

SNOW Help top of page

SNOW	observations	mean
NDJFM	7193 by year	0.00"

No days with measureable SNOW during NDJFM over 1948-1997