BOYSEN DAM, WY - COOP Lower Rockies station 481000

481000 - BOYSEN DAM, Wyoming

Latitude
43° 24´N

Longitude
108° 10´W

Elevation
1466 meters

COOP Lower Rockies

10 nearest COOP Lower Rockies stations

12 mi	SSE :	SHOSHONI, WY
12 mi	SW :	RIVERTON 19 N, WY
17 mi	N :	THERMOPOLIS, WY
17 mi	N :	THERMOPOLIS 2, WY
20 mi	SSW :	RIVERTON 9 N, WY
23 mi	W :	PAVILLION 9 NE, WY
23 mi	E :	LYSITE 12 NNW, WY
24 mi	N :	THERMOPOLIS 9 NE, WY
25 mi	ESE :	LYSITE, WY
27 mi	SSW :	RIVERTON USBR, WY

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

	Total observations	%	NDJFM observations	%
TMAX	17374	95.1%	7077	93.6%
TMIN	17444	95.5%	7112	94.0%
PRCP	17777	97.3%	7356	97.3%
SNOW	13973	76.5%	4236	56.0%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7077 by year	38.3°F	14.7°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>=59°F	500	0.23	85	39	2.2*	map	table
Extreme low events Days with TMAX<=15°F	528	0.11	135	109	1.2	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>=59°F	500	0.23	97	44	2.2*	map	table
Extreme low events Days with TMAX<=15°F	528	-0.58	30	158	5.3*	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>=59°F	500	70	98	1.4	map	table
Extreme low events Days with TMAX<=15°F	528	68	79	1.2	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7112 by year	15.6°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	487	0.17	123	87	1.4*	map	table
Extreme high events Days with TMIN>=32°F	611	0.07	85	78	1.1	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<=-6°F	487	-0.63	34	162	4.8*	map	table
Extreme high events Days with TMIN>=32°F	611	0.17	105	58	1.8*	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	487	66	78	1.2	map	table
Extreme high events Days with TMIN>=32°F	611	100	129	1.3	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	7356 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"	893	0.09"	-0.05	133	161	1.2	map	table
Extreme events Days with PRCP>0.14"	162	0.28"	-0.00	18	24	1.3	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"	893	0.09"	-0.05	123	137	1.1	map	table
Extreme events Days with PRCP>0.14"	162	0.28"	0.04	22	19	1.2	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"	893	0.09"	149	139	1.1	map	table
Extreme events Days with PRCP>0.14"	162	0.28"	29	19	1.5	map	table

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SNOW Help top of page

SNOW	observations	mean		Distribution	during extreme days of
NDJFM	4236 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"	178	1.31"	0.16	36	27	1.3	map	table
Extreme events Days with SNOW>2.0"	28	3.95"	0.16	5	2	2.5	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"	178	1.31"	-0.44	13	47	3.6*	map	table
Extreme events Days with SNOW>2.0"	28	3.95"	-0.12	3	6	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"	178	1.31"	24	42	1.8	map	table
Extreme events Days with SNOW>2.0"	28	3.95"	4	6	1.5	map	table

SNOW under 2 index extremes Help

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