243099 - FORSYTH 2 E, Montana

Latitude
46° 16´N
Longitude
106° 37´W
Elevation
830 meters

COOP Northwest

Montana
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Main
10 nearest COOP Northwest stations
2 miW :FORSYTH, MT
11 miNW :VANANDA 6 NE, MT
25 miNNE :ROCK SPRINGS, MT
25 miNNE :ROCK SPRINGS 7 SE, MT
30 miN :COHAGEN 9 WSW, MT
37 miW :HYSHAM, MT
38 miNW :INGOMAR 21 NE, MT
40 miESE :GARLAND, MT
40 miWNW :INGOMAR 6 SE, MT
41 miWNW :INGOMAR 14 NE, MT

Weather variables    Help
Click a weather variable name to jump down to those statistics.
Total
observations
%
NDJFM
observations
%
TMAX
9513
52.1%
3974
52.5%
TMIN
9515
52.1%
3976
52.6%
PRCP
9790
53.6%
4029
53.3%
SNOW
9772
53.5%
4024
53.2%




TMAX     Help     top of page

TMAX
observations
mean
std dev
   
Distribution
during extreme days of
NDJFM
3974  by year
37.2°F
16.5°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
297
0.09
37
21
1.8*
map
table
Extreme low events
Days with TMAX<=9°F
284
-0.48
41
90
2.2*
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
297
0.50
74
13
5.7*
map
table
Extreme low events
Days with TMAX<=9°F
284
-1.17
7
141
20.1*
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>=59°F
297
38
73
1.9*
map
table
Extreme low events
Days with TMAX<=9°F
284
44
64
1.5
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
3976  by year
14.0°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<=-13°F
293
-0.27
54
75
1.4
map
table
Extreme high events
Days with TMIN>=33°F
328
0.08
42
39
1.1
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<=-13°F
293
-1.16
8
147
18.4*
map
table
Extreme high events
Days with TMIN>=33°F
328
0.30
68
30
2.3*
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
293
42
71
1.7*
map
table
Extreme high events
Days with TMIN>=33°F
328
36
79
2.2*
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
4029  by year
0.01"
   
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"
479
0.11"
-0.27
58
103
1.8*
map
table
Extreme events
Days with PRCP>0.15"
94
0.28"
-0.25
11
21
1.9
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"
479
0.11"
-0.37
53
106
2.0*
map
table
Extreme events
Days with PRCP>0.15"
94
0.28"
-0.30
12
16
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"
479
0.11"
59
110
1.9*
map
table
Extreme events
Days with PRCP>0.15"
94
0.28"
13
20
1.5
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
4024  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"
312
2.19"
-0.33
43
72
1.7*
map
table
Extreme events
Days with SNOW>3.0"
48
4.95"
-0.22
9
10
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"
312
2.19"
-0.61
27
88
3.3*
map
table
Extreme events
Days with SNOW>3.0"
48
4.95"
-0.50
5
10
2.0
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"
312
2.19"
41
71
1.7*
map
table
Extreme events
Days with SNOW>3.0"
48
4.95"
5
11
2.2
map
table

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