PORTLAND WSFO AP, ME - HCND station 176905

176905 - PORTLAND WSFO AP, Maine

Latitude
43° 40´N

Longitude
70° 18´W

Elevation
45 feet

10 nearest HCND stations

31 mi	N :	LEWISTON, ME
46 mi	NNE :	GARDINER, ME
47 mi	SW :	DURHAM, NH
71 mi	N :	FARMINGTON, ME
79 mi	SSW :	LAWRENCE, MA
82 mi	WNW :	BETHLEHEM, NH
99 mi	W :	HANOVER, NH
100 mi	WNW :	SAINT JOHNSBURY, VT
101 mi	SSW :	CHESTNUT HILL, MA
108 mi	SSW :	BLUE HILL, MA

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

	Total observations	%	NDJFM observations	%
TMAX	18261	100.0%	7561	100.0%
TMIN	18262	100.0%	7562	100.0%
PRCP	15559	85.2%	6408	84.7%
SNOW	16418	89.9%	6318	83.5%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7561 by year	37.7°F	11.0°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>=54°F	545	0.25	102	39	2.6*	map	table
Extreme low events Days with TMAX<=21°F	546	-0.02	116	108	1.1	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>=54°F	545	-0.24	43	90	2.1*	map	table
Extreme low events Days with TMAX<=21°F	546	0.19	127	89	1.4*	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>=54°F	545	77	99	1.3	map	table
Extreme low events Days with TMAX<=21°F	546	58	99	1.7*	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7562 by year	19.5°F	12.8°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<=-1°F	544	0.03	117	106	1.1	map	table
Extreme high events Days with TMIN>=36°F	607	0.12	91	59	1.5*	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<=-1°F	544	0.09	117	100	1.2	map	table
Extreme high events Days with TMIN>=36°F	607	-0.05	64	84	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<=-1°F	544	55	92	1.7*	map	table
Extreme high events Days with TMIN>=36°F	607	103	99	1.0	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	6408 by year	0.16"		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"	2831	0.36"	0.02	453	446	1.0	map	table
Extreme events Days with PRCP>0.60"	559	1.14"	-0.03	79	90	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"	2831	0.36"	-0.03	469	490	1.0	map	table
Extreme events Days with PRCP>0.60"	559	1.14"	0.22	111	65	1.7*	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"	2831	0.36"	457	474	1.0	map	table
Extreme events Days with PRCP>0.60"	559	1.14"	99	90	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	6318 by year	0.53"		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"	1490	2.27"	-0.07	232	290	1.2*	map	table
Extreme events Days with SNOW>3.8"	290	6.90"	-0.16	43	68	1.6*	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"	1490	2.27"	0.01	282	273	1.0	map	table
Extreme events Days with SNOW>3.8"	290	6.90"	0.18	70	49	1.4	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"	1490	2.27"	229	252	1.1	map	table
Extreme events Days with SNOW>3.8"	290	6.90"	49	40	1.2	map	table

SNOW under 2 index extremes Help

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