242404 - DILLON AP, Montana

Latitude
45° 15´N
Longitude
112° 33´W
Elevation
1590 meters

COOP Northwest

Montana
Help

Main
10 nearest COOP Northwest stations
3 miWSW :DILLON WMCE, MT
7 miSSW :DILLON 9 SSE, MT
8 miNW :APEX 2 NW, MT
9 miW :ARGENTA, MT
9 miNNW :GLEN 2 E, MT
13 miE :ALDER RUBY DAM, MT
13 miENE :ALDER, MT
14 miNNE :TWIN BRIDGES, MT
16 miNNW :MELROSE, MT
16 miESE :ALDER 17 S, MT

Weather variables    Help
Click a weather variable name to jump down to those statistics.
Total
observations
%
NDJFM
observations
%
TMAX
15652
85.7%
6446
85.2%
TMIN
15659
85.7%
6450
85.3%
PRCP
15694
85.9%
6472
85.6%
SNOW
15709
86.0%
6472
85.6%




TMAX     Help     top of page

TMAX
observations
mean
std dev
   
Distribution
during extreme days of
NDJFM
6446  by year
37.8°F
12.9°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>=55°F
479
0.24
81
40
2.0*
map
table
Extreme low events
Days with TMAX<=17°F
460
-0.23
80
121
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>=55°F
479
0.72
153
19
8.1*
map
table
Extreme low events
Days with TMAX<=17°F
460
-0.94
10
173
17.3*
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>=55°F
479
71
83
1.2
map
table
Extreme low events
Days with TMAX<=17°F
460
56
91
1.6*
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
6450  by year
15.3°F
13.1°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<=-8°F
437
-0.22
76
112
1.5*
map
table
Extreme high events
Days with TMIN>=32°F
453
0.08
73
59
1.2
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<=-8°F
437
-1.02
7
184
26.3*
map
table
Extreme high events
Days with TMIN>=32°F
453
0.31
92
33
2.8*
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<=-8°F
437
48
90
1.9*
map
table
Extreme high events
Days with TMIN>=32°F
453
62
85
1.4
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
6472  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"
1072
0.07"
-0.18
146
225
1.5*
map
table
Extreme events
Days with PRCP>0.09"
207
0.21"
-0.06
40
46
1.2
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"
1072
0.07"
-0.30
115
229
2.0*
map
table
Extreme events
Days with PRCP>0.09"
207
0.21"
-0.20
24
36
1.5
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"
1072
0.07"
184
171
1.1
map
table
Extreme events
Days with PRCP>0.09"
207
0.21"
41
35
1.2
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
6472  by year
0.16"
   
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"
782
1.33"
-0.15
118
163
1.4*
map
table
Extreme events
Days with SNOW>2.0"
130
4.18"
0.12
33
28
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"
782
1.33"
-0.41
75
189
2.5*
map
table
Extreme events
Days with SNOW>2.0"
130
4.18"
-0.39
10
28
2.8*
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"
782
1.33"
138
131
1.1
map
table
Extreme events
Days with SNOW>2.0"
130
4.18"
24
18
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