241557 - CASCADE 20 SSE, Montana

Latitude
47° 0´N
Longitude
111° 35´W
Elevation
1402 meters

COOP Northwest

Montana
Help

Main
10 nearest COOP Northwest stations
1 miNW :ADEL, MT
3 miWNW :CASCADE 18 S, MT
6 miE :MILLEGAN, MT
10 miNNW :CASCADE 5 S, MT
15 miNNE :ULM 8 SE TRULY, MT
20 miNNE :GREAT FALLS INTL ARPT, MT
20 miNNE :GREAT FALLS NWSFO, MT
20 miNNW :SUN RIVER 4 S, MT
23 miNNW :SIMMS 1 NE, MT
23 miNNE :GREAT FALLS, MT

Weather variables    Help
Click a weather variable name to jump down to those statistics.
Total
observations
%
NDJFM
observations
%
TMAX
15118
82.8%
6228
82.3%
TMIN
15053
82.4%
6199
82.0%
PRCP
15160
83.0%
6245
82.6%
SNOW
8463
46.3%
2324
30.7%




TMAX     Help     top of page

TMAX
observations
mean
std dev
   
Distribution
during extreme days of
NDJFM
6228  by year
40.1°F
13.9°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
425
0.39
86
27
3.2*
map
table
Extreme low events
Days with TMAX<=16°F
430
-0.34
69
125
1.8*
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
425
0.87
158
10
15.8*
map
table
Extreme low events
Days with TMAX<=16°F
430
-0.94
19
164
8.6*
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
425
83
30
2.8*
map
table
Extreme low events
Days with TMAX<=16°F
430
58
40
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
6199  by year
16.1°F
16.4°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<=-13°F
425
-0.32
72
118
1.6*
map
table
Extreme high events
Days with TMIN>=36°F
503
0.28
103
42
2.5*
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<=-13°F
425
-1.03
10
179
17.9*
map
table
Extreme high events
Days with TMIN>=36°F
503
0.49
129
22
5.9*
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<=-13°F
425
56
41
1.4
map
table
Extreme high events
Days with TMIN>=36°F
503
90
62
1.5*
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
6245  by year
0.02"
   
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"
1160
0.10"
-0.01
195
200
1.0
map
table
Extreme events
Days with PRCP>0.15"
232
0.27"
-0.05
33
43
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"
1160
0.10"
-0.35
122
263
2.2*
map
table
Extreme events
Days with PRCP>0.15"
232
0.27"
-0.30
21
43
2.0*
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"
1160
0.10"
169
121
1.4*
map
table
Extreme events
Days with PRCP>0.15"
232
0.27"
48
18
2.7*
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
2324  by year
0.17"
   
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"
138
2.84"
-0.06
25
31
1.2
map
table
Extreme events
Days with SNOW>4.5"
27
6.18"
0.27
8
5
1.6
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"
138
2.84"
-0.18
17
28
1.6
map
table
Extreme events
Days with SNOW>4.5"
27
6.18"
0.22
5
1
5.0
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"
138
2.84"
20
0
Inf*
map
table
Extreme events
Days with SNOW>4.5"
27
6.18"
3
0
Inf*
map
table

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