SUMTER, SC - HCND station 388440

388440 - SUMTER, South Carolina

Latitude
33° 56´N

Longitude
80° 21´W

Elevation
177 feet

10 nearest HCND stations

28 mi	NW :	CAMDEN 3W, SC
36 mi	ESE :	KINGSTREE 1SE, SC
36 mi	NE :	DARLINGTON, SC
39 mi	W :	COLUMBIA U OF SC, SC
44 mi	NNW :	KERSHAW, SC
52 mi	NW :	WINNSBORO, SC
59 mi	NNE :	CHERAW, SC
64 mi	WNW :	LITTLE MOUNTAIN, SC
66 mi	S :	SUMMERVILLE, SC
68 mi	SW :	BLACKVILLE 3W, SC

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

	Total observations	%	NDJFM observations	%
TMAX	17779	97.3%	7262	96.0%
TMIN	17643	96.6%	7190	95.1%
PRCP	14542	79.6%	5933	78.4%
SNOW	11767	64.4%	4608	60.9%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7262 by year	62.3°F	11.3°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>=78°F	602	0.27	110	56	2.0*	map	table
Extreme low events Days with TMAX<=44°F	496	-0.10	97	105	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>=78°F	602	-0.72	26	185	7.1*	map	table
Extreme low events Days with TMAX<=44°F	496	0.58	157	45	3.5*	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>=78°F	602	58	138	2.4*	map	table
Extreme low events Days with TMAX<=44°F	496	78	57	1.4	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	7190 by year	37.7°F	11.0°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<=22°F	517	-0.29	80	123	1.5*	map	table
Extreme high events Days with TMIN>=56°F	481	0.17	83	45	1.8*	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<=22°F	517	0.61	166	40	4.2*	map	table
Extreme high events Days with TMIN>=56°F	481	-0.68	29	149	5.1*	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<=22°F	517	74	55	1.3	map	table
Extreme high events Days with TMIN>=56°F	481	65	104	1.6*	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	5933 by year	0.15"		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"	2196	0.40"	0.02	405	384	1.1	map	table
Extreme events Days with PRCP>0.66"	438	1.16"	-0.08	80	88	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"	2196	0.40"	0.07	410	352	1.2*	map	table
Extreme events Days with PRCP>0.66"	438	1.16"	0.22	94	56	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"	2196	0.40"	394	332	1.2*	map	table
Extreme events Days with PRCP>0.66"	438	1.16"	93	58	1.6*	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	4608 by year	0.00"		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"	6	3.68"	-0.63	1	2	2.0	map	table
Extreme events Days with SNOW>5.0"	1	6.00"	-1.93	0	1	Inf	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"	6	3.68"	0.81	2	0	Inf	map	table
Extreme events Days with SNOW>5.0"	1	6.00"	0.14	0	0	NaN	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"	6	3.68"	1	1	1.0	map	table
Extreme events Days with SNOW>5.0"	1	6.00"	0	0	NaN	map	table

SNOW under 2 index extremes Help

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