JOHN MARTIN DAM, CO - COOP Lower Rockies station 054388

054388 - JOHN MARTIN DAM, Colorado

Latitude
38° 4´N

Longitude
102° 56´W

Elevation
1163 meters

COOP Lower Rockies

10 nearest COOP Lower Rockies stations

15 mi	W :	LAS ANIMAS, CO
16 mi	E :	LAMAR, CO
29 mi	NNW :	HASWELL, CO
30 mi	NNE :	EADS, CO
31 mi	W :	CHERAW 1 N, CO
33 mi	W :	LA JUNTA 4 NNE, CO
33 mi	NE :	CHIVINGTON, CO
34 mi	E :	GRANADA, CO
34 mi	WSW :	LA JUNTA 1 S, CO
36 mi	SE :	TWO BUTTES RESERVOIR, CO

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

	Total observations	%	NDJFM observations	%
TMAX	16524	90.5%	6676	88.3%
TMIN	16643	91.1%	6724	88.9%
PRCP	17375	95.1%	7062	93.4%
SNOW	16016	87.7%	5684	75.2%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	6676 by year	51.6°F	14.9°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>=73°F	450	0.26	87	43	2.0*	map	table
Extreme low events Days with TMAX<=28°F	474	-0.03	105	105	1.0	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>=73°F	450	-0.19	42	67	1.6*	map	table
Extreme low events Days with TMAX<=28°F	474	-0.34	51	107	2.1*	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>=73°F	450	38	107	2.8*	map	table
Extreme low events Days with TMAX<=28°F	474	72	74	1.0	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	6724 by year	20.6°F	10.7°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<=3°F	492	-0.07	107	110	1.0	map	table
Extreme high events Days with TMIN>=35°F	467	0.08	74	60	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<=3°F	492	-0.48	41	136	3.3*	map	table
Extreme high events Days with TMIN>=35°F	467	-0.10	50	66	1.3	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<=3°F	492	55	77	1.4	map	table
Extreme high events Days with TMIN>=35°F	467	78	89	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	7062 by year	0.01"		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"	605	0.14"	-0.02	105	107	1.0	map	table
Extreme events Days with PRCP>0.18"	121	0.44"	0.08	19	17	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"	605	0.14"	-0.03	86	92	1.1	map	table
Extreme events Days with PRCP>0.18"	121	0.44"	0.09	18	16	1.1	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"	605	0.14"	126	58	2.2*	map	table
Extreme events Days with PRCP>0.18"	121	0.44"	39	7	5.6*	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	5684 by year	0.05"		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"	111	2.43"	0.01	22	19	1.2	map	table
Extreme events Days with SNOW>3.3"	22	6.31"	-0.42	4	5	1.2	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"	111	2.43"	-0.28	12	25	2.1	map	table
Extreme events Days with SNOW>3.3"	22	6.31"	-0.28	2	5	2.5	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"	111	2.43"	6	18	3.0*	map	table
Extreme events Days with SNOW>3.3"	22	6.31"	1	4	4.0	map	table

SNOW under 2 index extremes Help

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