450242 - ARIEL DAM, Washington

Latitude
45° 57´N
Longitude
122° 33´W
Elevation
68 meters

COOP Northwest

Washington
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Main
10 nearest COOP Northwest stations
0 miN :MERWIN DAM, WA
7 miS :BATTLE GROUND, WA
8 miWSW :ST HELENS RFD, OR
10 miWSW :WARREN, OR
11 miW :GOBLE 3 SW, OR
11 miSSW :VANCOUVER 4 NNE, WA
14 miSSW :VANCOUVER INTERSTATE BR, WA
14 miSW :SAUVIES ISLAND, OR
15 miS :PORTLAND INTL ARPT, OR
16 miS :PORTLAND NWSFO, OR

Weather variables    Help
Click a weather variable name to jump down to those statistics.
Total
observations
%
NDJFM
observations
%
TMAX
215
1.2%
62
0.8%
TMIN
214
1.2%
61
0.8%
PRCP
8519
46.6%
3478
46.0%
SNOW
7920
43.4%
2969
39.3%




TMAX     top of page

Data not shown:
Less than 5% of days have TMAX observations during NDJFM over 1948-1997




TMIN     top of page

Data not shown:
Less than 5% of days have TMIN observations during NDJFM over 1948-1997




PRCP (total liquid water equivalent)     Help     top of page

PRCP
observations
mean
   
Distribution
during extreme days of
NDJFM
3478  by year
0.34"
   
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"
2402
0.50"
-0.31
262
536
2.0*
map
table
Extreme events
Days with PRCP>0.82"
476
1.31"
-0.26
63
97
1.5*
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"
2402
0.50"
-0.27
275
504
1.8*
map
table
Extreme events
Days with PRCP>0.82"
476
1.31"
-0.28
48
99
2.1*
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"
2402
0.50"
310
558
1.8*
map
table
Extreme events
Days with PRCP>0.82"
476
1.31"
61
112
1.8*
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
2969  by year
0.09"
   
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"
96
2.63"
-0.08
21
21
1.0
map
table
Extreme events
Days with SNOW>4.0"
19
6.52"
0.32
5
3
1.7
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"
96
2.63"
-1.79
0
65
Inf*
map
table
Extreme events
Days with SNOW>4.0"
19
6.52"
-2.24
0
18
Inf
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"
96
2.63"
10
38
3.8*
map
table
Extreme events
Days with SNOW>4.0"
19
6.52"
1
8
8.0
map
table

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