357466 - ST HELENS RFD, Oregon

Latitude
45° 52´N
Longitude
122° 49´W
Elevation
31 meters

COOP Northwest

Oregon
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Main
10 nearest COOP Northwest stations
2 miSSW :WARREN, OR
6 miNW :GOBLE 3 SW, OR
8 miS :SAUVIES ISLAND, OR
8 miENE :ARIEL DAM, WA
8 miENE :MERWIN DAM, WA
9 miESE :BATTLE GROUND, WA
9 miSSE :VANCOUVER 4 NNE, WA
11 miSSE :VANCOUVER INTERSTATE BR, WA
12 miSSE :PORTLAND INTL ARPT, OR
14 miSSE :PORTLAND WSO CITY, OR

Weather variables    Help
Click a weather variable name to jump down to those statistics.
Total
observations
%
NDJFM
observations
%
TMAX
7547
41.3%
3130
41.4%
TMIN
7593
41.6%
3134
41.4%
PRCP
7498
41.1%
3085
40.8%
SNOW
7603
41.6%
3112
41.1%




TMAX     Help     top of page

TMAX
observations
mean
std dev
   
Distribution
during extreme days of
NDJFM
3130  by year
50.9°F
8.2°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>=63°F
223
0.51
65
23
2.8*
map
table
Extreme low events
Days with TMAX<=39°F
223
-0.06
47
59
1.3
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>=63°F
223
0.97
90
3
30.0*
map
table
Extreme low events
Days with TMAX<=39°F
223
-0.63
15
71
4.7*
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>=63°F
223
48
2
24.0*
map
table
Extreme low events
Days with TMAX<=39°F
223
12
8
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
3134  by year
36.1°F
7.2°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<=25°F
228
0.10
53
49
1.1
map
table
Extreme high events
Days with TMIN>=46°F
259
0.28
50
24
2.1*
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<=25°F
228
-0.34
29
62
2.1*
map
table
Extreme high events
Days with TMIN>=46°F
259
0.88
95
4
23.8*
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<=25°F
228
19
13
1.5
map
table
Extreme high events
Days with TMIN>=46°F
259
61
10
6.1*
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
3085  by year
0.19"
   
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"
1852
0.32"
0.26
391
229
1.7*
map
table
Extreme events
Days with PRCP>0.52"
363
0.91"
0.32
77
30
2.6*
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"
1852
0.32"
0.09
323
252
1.3*
map
table
Extreme events
Days with PRCP>0.52"
363
0.91"
0.18
68
33
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"
1852
0.32"
355
100
3.5*
map
table
Extreme events
Days with PRCP>0.52"
363
0.91"
83
17
4.9*
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
3112  by year
0.02"
   
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"
27
2.46"
-0.14
6
7
1.2
map
table
Extreme events
Days with SNOW>5.0"
5
6.94"
-1.00
0
2
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"
27
2.46"
-0.77
1
11
11.0*
map
table
Extreme events
Days with SNOW>5.0"
5
6.94"
-1.40
0
3
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"
27
2.46"
0
0
NaN
map
table
Extreme events
Days with SNOW>5.0"
5
6.94"
0
0
NaN
map
table

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