BOULDER, CO - HCND station 050848

050848 - BOULDER, Colorado

Latitude
40° 1´N

Longitude
105° 16´W

Elevation
5484 feet

10 nearest HCND stations

41 mi	NNE :	FORT COLLINS, CO
48 mi	WSW :	DILLON 1E, CO
55 mi	S :	CHEESMAN, CO
79 mi	E :	FORT MORGAN 2S, CO
83 mi	NNE :	CHEYENNE WSFO, WY
90 mi	WNW :	STEAMBOAT SPRINGS, CO
110 mi	S :	CANON CITY, CO
120 mi	NE :	KIMBALL, NE
123 mi	N :	CHUGWATER, WY
129 mi	NW :	SARATOGA, WY

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

	Total observations	%	NDJFM observations	%
TMAX	17379	95.2%	7112	94.0%
TMIN	17434	95.5%	7126	94.2%
PRCP	15030	82.3%	6371	84.2%
SNOW	14711	80.6%	6119	80.9%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7112 by year	49.6°F	13.0°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>=67°F	558	0.20	94	52	1.8*	map	table
Extreme low events Days with TMAX<=29°F	507	-0.17	93	134	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>=67°F	558	0.26	108	55	2.0*	map	table
Extreme low events Days with TMAX<=29°F	507	-0.42	46	127	2.8*	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>=67°F	558	62	116	1.9*	map	table
Extreme low events Days with TMAX<=29°F	507	59	95	1.6*	map	table

TMAX under 2 index extremes Help

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7126 by year	24.6°F	11.4°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	510	-0.13	95	125	1.3	map	table
Extreme high events Days with TMIN>=40°F	563	0.15	83	60	1.4*	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	510	-0.55	41	153	3.7*	map	table
Extreme high events Days with TMIN>=40°F	563	0.13	94	64	1.5*	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	510	56	87	1.6*	map	table
Extreme high events Days with TMIN>=40°F	563	60	129	2.1*	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	6371 by year	0.04"		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"	1362	0.18"	-0.17	188	274	1.5*	map	table
Extreme events Days with PRCP>0.28"	259	0.53"	-0.19	22	45	2.0*	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"	1362	0.18"	-0.11	185	241	1.3*	map	table
Extreme events Days with PRCP>0.28"	259	0.53"	-0.07	28	36	1.3	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"	1362	0.18"	236	198	1.2	map	table
Extreme events Days with PRCP>0.28"	259	0.53"	53	50	1.1	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	6119 by year	0.49"		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"	1218	2.47"	-0.17	174	247	1.4*	map	table
Extreme events Days with SNOW>4.0"	228	6.82"	-0.26	23	47	2.0*	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"	1218	2.47"	-0.16	158	231	1.5*	map	table
Extreme events Days with SNOW>4.0"	228	6.82"	-0.04	28	30	1.1	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"	1218	2.47"	207	183	1.1	map	table
Extreme events Days with SNOW>4.0"	228	6.82"	35	39	1.1	map	table

SNOW under 2 index extremes Help

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