247605 - SILVER LAKE, Montana

Latitude
46° 10´N
Longitude
113° 13´W
Elevation
1976 meters

COOP Northwest

Montana
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10 nearest COOP Northwest stations
3 miNW :PHILIPSBURG 7 S, MT
6 miNNW :PHILIPSBURG R S, MT
7 miNNW :PHILIPSBURG, MT
19 miN :DRUMMOND CAA FIELD, MT
19 miN :DRUMMOND, MT
27 miE :ANACONDA, MT
27 miN :GARNET, MT
27 miE :EAST ANACONDA 2, MT
28 miE :EAST ANACONDA, MT
31 miN :OVANDO 9 SSE, MT

Weather variables    Help
Click a weather variable name to jump down to those statistics.
Total
observations
%
NDJFM
observations
%
TMAX
48
0.3%
19
0.3%
TMIN
48
0.3%
19
0.3%
PRCP
12218
66.9%
4990
66.0%
SNOW
10257
56.2%
3764
49.8%




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
4990  by year
0.04"
   
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"
1882
0.10"
-0.18
248
385
1.6*
map
table
Extreme events
Days with PRCP>0.15"
351
0.27"
-0.16
47
71
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"
1882
0.10"
-0.30
196
399
2.0*
map
table
Extreme events
Days with PRCP>0.15"
351
0.27"
-0.35
39
89
2.3*
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"
1882
0.10"
259
359
1.4*
map
table
Extreme events
Days with PRCP>0.15"
351
0.27"
50
53
1.1
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
3764  by year
0.63"
   
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"
1127
2.11"
-0.25
137
250
1.8*
map
table
Extreme events
Days with SNOW>3.0"
174
5.46"
-0.25
25
43
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"
1127
2.11"
-0.45
79
268
3.4*
map
table
Extreme events
Days with SNOW>3.0"
174
5.46"
-0.53
9
47
5.2*
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"
1127
2.11"
135
227
1.7*
map
table
Extreme events
Days with SNOW>3.0"
174
5.46"
20
39
2.0*
map
table

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