GUERNSEY DAM, WY - COOP Lower Rockies station 484125

484125 - GUERNSEY DAM, Wyoming

Latitude
42° 18´N

Longitude
104° 46´W

Elevation
1373 meters

COOP Lower Rockies

10 nearest COOP Lower Rockies stations

0 mi	N :	GUERNSEY DAM NO 2, WY
8 mi	ESE :	WHALEN DAM (USBR), WY
13 mi	ESE :	OLD FORT LARAMIE, WY
13 mi	ENE :	FORT LARAMIE 11 NNW, WY
15 mi	NNW :	KEELINE 7 SW, WY
16 mi	SW :	WHEATLAND 4 N, WY
19 mi	WNW :	GLENDO 4 SW, WY
23 mi	WNW :	GLENDO 8 SW, WY
23 mi	ENE :	JAY EM, WY
25 mi	ESE :	LINGLE 2 S, WY

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

	Total observations	%	NDJFM observations	%
TMAX	5043	27.6%	2114	28.0%
TMIN	5035	27.6%	2116	28.0%
PRCP	5050	27.7%	2116	28.0%
SNOW	4745	26.0%	1907	25.2%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	2114 by year	45.1°F	13.8°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>=65°F	152	-0.18	7	16	2.3*	map	table
Extreme low events Days with TMAX<=24°F	159	-0.30	34	46	1.4	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>=65°F	152	0.36	30	7	4.3*	map	table
Extreme low events Days with TMAX<=24°F	159	-0.66	5	47	9.4*	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>=65°F	152	6	53	8.8*	map	table
Extreme low events Days with TMAX<=24°F	159	2	42	21.0*	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	2116 by year	16.5°F	12.0°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	152	-0.17	36	42	1.2	map	table
Extreme high events Days with TMIN>=32°F	162	-0.16	18	23	1.3	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<=-3°F	152	-0.76	2	48	24.0*	map	table
Extreme high events Days with TMIN>=32°F	162	-0.18	19	22	1.2	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	152	2	41	20.5*	map	table
Extreme high events Days with TMIN>=32°F	162	12	65	5.4*	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	2116 by year	0.02"		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"	371	0.10"	-0.29	47	86	1.8*	map	table
Extreme events Days with PRCP>0.16"	73	0.31"	-0.45	6	19	3.2*	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"	371	0.10"	-0.24	38	67	1.8*	map	table
Extreme events Days with PRCP>0.16"	73	0.31"	-0.18	7	10	1.4	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"	371	0.10"	33	97	2.9*	map	table
Extreme events Days with PRCP>0.16"	73	0.31"	4	21	5.2*	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	1907 by year	0.15"		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"	136	2.04"	-0.35	15	31	2.1*	map	table
Extreme events Days with SNOW>3.0"	21	5.44"	-0.81	1	8	8.0	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"	136	2.04"	-0.56	9	32	3.6*	map	table
Extreme events Days with SNOW>3.0"	21	5.44"	-0.35	1	5	5.0	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"	136	2.04"	7	55	7.9*	map	table
Extreme events Days with SNOW>3.0"	21	5.44"	3	4	1.3	map	table

SNOW under 2 index extremes Help

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