456114 - OLYMPIA ARPT, Washington

Latitude
46° 58´N
Longitude
122° 54´W
Elevation
63 meters

COOP Northwest

Washington
Help

Main
10 nearest COOP Northwest stations
9 miE :YELM, WA
10 miS :CENTRALIA, WA
13 miS :CHEHALIS, WA
18 miESE :LA GRANDE, WA
18 miESE :ALDER DAM CAMP, WA
19 miSE :CINEBAR 2 E, WA
20 miS :TOLEDO WINLOCK MUNI AP, WA
21 miS :TOLEDO, WA
21 miSSE :MAYFIELD POWER PLANT, WA
22 miSSE :MOSSYROCK, WA

Weather variables    Help
Click a weather variable name to jump down to those statistics.
Total
observations
%
NDJFM
observations
%
TMAX
18248
99.9%
7559
99.9%
TMIN
18211
99.7%
7527
99.5%
PRCP
18142
99.3%
7500
99.2%
SNOW
17824
97.6%
7339
97.0%




TMAX     Help     top of page

TMAX
observations
mean
std dev
   
Distribution
during extreme days of
NDJFM
7559  by year
48.3°F
7.4°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>=59°F
542
0.03
89
75
1.2
map
table
Extreme low events
Days with TMAX<=37°F
595
-0.18
107
142
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>=59°F
542
0.94
217
13
16.7*
map
table
Extreme low events
Days with TMAX<=37°F
595
-1.07
35
288
8.2*
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>=59°F
542
116
44
2.6*
map
table
Extreme low events
Days with TMAX<=37°F
595
86
124
1.4*
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
7527  by year
33.1°F
8.0°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<=21°F
502
0.07
106
98
1.1
map
table
Extreme high events
Days with TMIN>=44°F
626
-0.09
78
107
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<=21°F
502
-0.81
24
177
7.4*
map
table
Extreme high events
Days with TMIN>=44°F
626
0.60
169
26
6.5*
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<=21°F
502
61
95
1.6*
map
table
Extreme high events
Days with TMIN>=44°F
626
109
93
1.2
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
7500  by year
0.23"
   
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"
4741
0.37"
0.03
817
757
1.1*
map
table
Extreme events
Days with PRCP>0.57"
940
1.05"
0.10
172
133
1.3*
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"
4741
0.37"
-0.13
672
914
1.4*
map
table
Extreme events
Days with PRCP>0.57"
940
1.05"
-0.09
126
159
1.3
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"
4741
0.37"
776
860
1.1*
map
table
Extreme events
Days with PRCP>0.57"
940
1.05"
134
190
1.4*
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
7339  by year
0.12"
   
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"
506
1.71"
-0.16
87
116
1.3
map
table
Extreme events
Days with SNOW>2.6"
99
4.94"
-0.19
17
23
1.4
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"
506
1.71"
-1.51
1
303
303.0*
map
table
Extreme events
Days with SNOW>2.6"
99
4.94"
-1.64
0
65
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"
506
1.71"
71
132
1.9*
map
table
Extreme events
Days with SNOW>2.6"
99
4.94"
16
24
1.5
map
table

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