RIVERTON, WY - HCND station 487760

487760 - RIVERTON, Wyoming

Latitude
43° 1´N

Longitude
108° 23´W

Elevation
4950 feet

10 nearest HCND stations

22 mi	NW :	PAVILLION, WY
32 mi	WNW :	DIVERSION DAM, WY
72 mi	NNE :	WORLAND, WY
73 mi	WNW :	DUBOIS, WY
76 mi	W :	PINEDALE, WY
87 mi	ESE :	PATHFINDER DAM, WY
96 mi	N :	BASIN, WY
109 mi	ENE :	MIDWEST, WY
110 mi	NNW :	BUFFALO BILL DAM, WY
116 mi	SSW :	GREEN RIVER, WY

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

	Total observations	%	NDJFM observations	%
TMAX	17580	96.3%	7288	96.4%
TMIN	17584	96.3%	7215	95.4%
PRCP	15213	83.3%	6157	81.4%
SNOW	13178	72.2%	5214	68.9%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7288 by year	38.0°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>=59°F	545	0.18	89	51	1.7*	map	table
Extreme low events Days with TMAX<=14°F	498	0.09	123	99	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	545	0.27	110	42	2.6*	map	table
Extreme low events Days with TMAX<=14°F	498	-0.56	33	145	4.4*	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>=59°F	545	68	103	1.5*	map	table
Extreme low events Days with TMAX<=14°F	498	56	73	1.3	map	table

TMAX under 2 index extremes Help

Maps - choose one extreme:

TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7215 by year	8.3°F	14.0°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<=-15°F	487	0.02	110	95	1.2	map	table
Extreme high events Days with TMIN>=26°F	604	0.07	90	82	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<=-15°F	487	-0.65	30	154	5.1*	map	table
Extreme high events Days with TMIN>=26°F	604	0.27	121	58	2.1*	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<=-15°F	487	59	73	1.2	map	table
Extreme high events Days with TMIN>=26°F	604	111	104	1.1	map	table

TMIN under 2 index extremes Help

Maps - choose one extreme:

PRCP (total liquid water equivalent) Help top of page

PRCP	observations	mean		Distribution	during extreme days of
NDJFM	6157 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"	665	0.12"	-0.12	94	132	1.4*	map	table
Extreme events Days with PRCP>0.18"	125	0.35"	-0.00	16	20	1.2	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"	665	0.12"	-0.17	84	123	1.5*	map	table
Extreme events Days with PRCP>0.18"	125	0.35"	-0.11	16	17	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"	665	0.12"	102	97	1.1	map	table
Extreme events Days with PRCP>0.18"	125	0.35"	28	14	2.0	map	table

PRCP under 2 index extremes Help

Maps - choose one extreme:

SNOW Help top of page

SNOW	observations	mean		Distribution	during extreme days of
NDJFM	5214 by year	0.18"		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"	492	1.94"	-0.01	81	93	1.1	map	table
Extreme events Days with SNOW>3.0"	93	5.09"	0.33	21	9	2.3	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"	492	1.94"	-0.24	49	91	1.9*	map	table
Extreme events Days with SNOW>3.0"	93	5.09"	-0.49	4	22	5.5*	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"	492	1.94"	71	65	1.1	map	table
Extreme events Days with SNOW>3.0"	93	5.09"	22	9	2.4*	map	table

SNOW under 2 index extremes Help

Maps - choose one extreme: