457488 - SEATTLE CITY OFFICE, Washington

Latitude
47° 36´N
Longitude
122° 20´W
Elevation
4 meters

COOP Northwest

Washington
Help

Main
10 nearest COOP Northwest stations
2 miNNE :SEATTLE PORTAGE BAY, WA
3 miNE :SEATTLE UNIV OF WASHINGT, WA
3 miSSE :SEATTLE BOEING FIELD, WA
4 miNNE :SEATTLE NAS, WA
4 miN :SEATTLE MAPLE LEAF R, WA
4 miNE :SEATTLE SAND PT WSFO, WA
6 miN :SEATTLE JACKSON PARK, WA
6 miS :SEATTLE SEATTLE-TACOMA INTL A, WA
8 miNNE :BOTHELL 2 N, WA
8 miSW :VASHON ISLAND, WA

Weather variables    Help
Click a weather variable name to jump down to those statistics.
Total
observations
%
NDJFM
observations
%
TMAX
9069
49.7%
3721
49.2%
TMIN
9070
49.7%
3721
49.2%
PRCP
9070
49.7%
3721
49.2%
SNOW
9070
49.7%
3721
49.2%




TMAX     Help     top of page

TMAX
observations
mean
std dev
   
Distribution
during extreme days of
NDJFM
3721  by year
49.1°F
6.7°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>=58°F
299
-0.41
22
65
3.0*
map
table
Extreme low events
Days with TMAX<=39°F
262
-0.30
44
64
1.5
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>=58°F
299
0.86
106
7
15.1*
map
table
Extreme low events
Days with TMAX<=39°F
262
-1.53
2
168
84.0*
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>=58°F
299
52
46
1.1
map
table
Extreme low events
Days with TMAX<=39°F
262
27
82
3.0*
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
3721  by year
39.7°F
6.2°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<=31°F
285
-0.28
46
68
1.5
map
table
Extreme high events
Days with TMIN>=48°F
335
-0.45
17
72
4.2*
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<=31°F
285
-1.34
4
152
38.0*
map
table
Extreme high events
Days with TMIN>=48°F
335
0.77
108
3
36.0*
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<=31°F
285
20
93
4.7*
map
table
Extreme high events
Days with TMIN>=48°F
335
61
62
1.0
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
3721  by year
0.16"
   
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"
2209
0.27"
-0.27
236
472
2.0*
map
table
Extreme events
Days with PRCP>0.45"
438
0.79"
-0.28
43
92
2.1*
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"
2209
0.27"
-0.24
274
478
1.7*
map
table
Extreme events
Days with PRCP>0.45"
438
0.79"
-0.11
61
86
1.4
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"
2209
0.27"
285
481
1.7*
map
table
Extreme events
Days with PRCP>0.45"
438
0.79"
46
103
2.2*
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
3721  by year
0.07"
   
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"
157
1.63"
-0.32
26
42
1.6
map
table
Extreme events
Days with SNOW>2.9"
30
4.68"
-0.26
5
4
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"
157
1.63"
-1.85
0
120
Inf*
map
table
Extreme events
Days with SNOW>2.9"
30
4.68"
-1.78
0
25
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"
157
1.63"
19
55
2.9*
map
table
Extreme events
Days with SNOW>2.9"
30
4.68"
6
8
1.3
map
table

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