247292 - ST MARY, Montana

Latitude
48° 44´N
Longitude
113° 26´W
Elevation
1390 meters

COOP Northwest

Montana
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Main
10 nearest COOP Northwest stations
5 miNNW :SHERBURNE LAKE, MT
7 miWNW :MANY GLACIER, MT
8 miNNE :BABB 6 NE, MT
13 miSSE :EAST GLACIER, MT
13 miSSE :EAST GLACIER, MT
13 miESE :BROWNING, MT
14 miESE :BROWNING NO 2, MT
17 miS :SUMMIT, MT
18 miWSW :WEST GLACIER, MT
18 miWSW :WEST GLACIER, MT

Weather variables    Help
Click a weather variable name to jump down to those statistics.
Total
observations
%
NDJFM
observations
%
TMAX
6039
33.1%
2471
32.7%
TMIN
6033
33.0%
2466
32.6%
PRCP
5976
32.7%
2426
32.1%
SNOW
5994
32.8%
2445
32.3%




TMAX     Help     top of page

TMAX
observations
mean
std dev
   
Distribution
during extreme days of
NDJFM
2471  by year
35.9°F
13.2°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>=52°F
198
0.61
54
14
3.9*
map
table
Extreme low events
Days with TMAX<=12°F
165
-0.03
33
35
1.1
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>=52°F
198
1.15
91
2
45.5*
map
table
Extreme low events
Days with TMAX<=12°F
165
-1.15
7
78
11.1*
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>=52°F
198
59
7
8.4*
map
table
Extreme low events
Days with TMAX<=12°F
165
11
9
1.2
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
2466  by year
17.9°F
15.9°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<=-12°F
170
-0.01
31
37
1.2
map
table
Extreme high events
Days with TMIN>=36°F
171
0.58
43
7
6.1*
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<=-12°F
170
-1.18
3
81
27.0*
map
table
Extreme high events
Days with TMIN>=36°F
171
1.09
71
2
35.5*
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<=-12°F
170
8
9
1.1
map
table
Extreme high events
Days with TMIN>=36°F
171
39
7
5.6*
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
2426  by year
0.07"
   
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"
930
0.19"
0.34
214
108
2.0*
map
table
Extreme events
Days with PRCP>0.29"
185
0.56"
0.27
31
19
1.6
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"
930
0.19"
-0.25
106
183
1.7*
map
table
Extreme events
Days with PRCP>0.29"
185
0.56"
-0.35
16
37
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"
930
0.19"
181
68
2.7*
map
table
Extreme events
Days with PRCP>0.29"
185
0.56"
37
9
4.1*
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
2445  by year
0.68"
   
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"
633
2.63"
0.31
149
81
1.8*
map
table
Extreme events
Days with SNOW>4.0"
99
7.86"
0.11
16
14
1.1
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"
633
2.63"
-0.44
58
156
2.7*
map
table
Extreme events
Days with SNOW>4.0"
99
7.86"
-0.84
4
33
8.2*
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"
633
2.63"
117
37
3.2*
map
table
Extreme events
Days with SNOW>4.0"
99
7.86"
14
3
4.7*
map
table

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