018469 - VALLEY HEAD, Alabama

Latitude
34° 34´N
Longitude
85° 37´W
Elevation
324 meters

COOP Southeast

Alabama
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Main
10 nearest COOP Southeast stations
11 miSSW :FORT PAYNE, AL
11 miNNW :IDER, AL
11 miW :SYLVANIA, AL
14 miNNE :RISING FAWN, GA
14 miNNW :FLAT ROCK, AL
15 miWSW :RAINSVILLE, AL
15 miENE :LAFAYETTE 5 SW, GA
16 miESE :SUMMERVILLE, GA
21 miNE :KENSINGTON, GA
23 miNNW :WIDOWS CREEK STEAM PLANT, AL

Weather variables    Help
Click a weather variable name to jump down to those statistics.
Total
observations
%
NDJFM
observations
%
TMAX
17993
98.5%
7422
98.1%
TMIN
17912
98.1%
7391
97.7%
PRCP
17977
98.4%
7412
98.0%
SNOW
18106
99.1%
7467
98.7%




TMAX     Help     top of page

TMAX
observations
mean
std dev
   
Distribution
during extreme days of
NDJFM
7422  by year
55.3°F
12.1°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>=72°F
612
0.25
109
55
2.0*
map
table
Extreme low events
Days with TMAX<=36°F
510
-0.35
70
131
1.9*
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>=72°F
612
-0.61
24
161
6.7*
map
table
Extreme low events
Days with TMAX<=36°F
510
0.81
193
33
5.8*
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>=72°F
612
89
126
1.4*
map
table
Extreme low events
Days with TMAX<=36°F
510
78
53
1.5*
map
table

TMAX under 2 index extremes     Help
Station table Maps - choose one extreme:
High NAMLow NAM High PNALow PNA High CTILow CTI




TMIN     Help     top of page

TMIN
observations
mean
std dev
   
Distribution
during extreme days of
NDJFM
7391  by year
30.6°F
12.1°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<=13°F
511
-0.33
68
127
1.9*
map
table
Extreme high events
Days with TMIN>=50°F
548
0.14
82
58
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<=13°F
511
0.71
180
39
4.6*
map
table
Extreme high events
Days with TMIN>=50°F
548
-0.82
17
174
10.2*
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<=13°F
511
58
52
1.1
map
table
Extreme high events
Days with TMIN>=50°F
548
78
111
1.4*
map
table

TMIN under 2 index extremes     Help
Station table Maps - choose one extreme:
High NAMLow NAM High PNALow PNA High CTILow CTI




PRCP (total liquid water equivalent)     Help     top of page

PRCP
observations
mean
   
Distribution
during extreme days of
NDJFM
7412  by year
0.18"
   
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"
2776
0.47"
0.04
496
456
1.1
map
table
Extreme events
Days with PRCP>0.81"
544
1.46"
0.07
97
85
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"
2776
0.47"
-0.11
432
542
1.3*
map
table
Extreme events
Days with PRCP>0.81"
544
1.46"
-0.29
62
113
1.8*
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"
2776
0.47"
489
405
1.2*
map
table
Extreme events
Days with PRCP>0.81"
544
1.46"
89
85
1.0
map
table

PRCP under 2 index extremes     Help
Station table Maps - choose one extreme:
High NAMLow NAM High PNALow PNA High CTILow CTI




SNOW     Help     top of page

SNOW
observations
mean
   
Distribution
during extreme days of
NDJFM
7467  by year
0.03"
   
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"
167
1.51"
-0.29
21
41
2.0*
map
table
Extreme events
Days with SNOW>2.0"
33
3.93"
0.06
7
6
1.2
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"
167
1.51"
1.26
85
2
42.5*
map
table
Extreme events
Days with SNOW>2.0"
33
3.93"
1.04
16
2
8.0*
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"
167
1.51"
21
12
1.8
map
table
Extreme events
Days with SNOW>2.0"
33
3.93"
5
1
5.0
map
table

SNOW under 2 index extremes     Help
Station table Maps - choose one extreme:
High NAMLow NAM High PNALow PNA High CTILow CTI