243727 - GRASS RANGE, Montana

Latitude
47° 2´N
Longitude
108° 48´W
Elevation
1064 meters

COOP Northwest

Montana
Help

Main
10 nearest COOP Northwest stations
8 miNNE :BLAKESLEE, MT
8 miNNE :GRASSRANGE 12 NE, MT
9 miNNE :GRASSRANGE 15 NNE, MT
11 miENE :TEIGEN 10 NNE, MT
11 miNE :TEIGEN 13 NNE, MT
14 miE :WINNETT 5 NNE, MT
15 miNE :VALENTINE, MT
17 miN :ROY 8 NE, MT
20 miNE :DOVETAIL, MT
24 miN :ROY 24 NE MOBRIDGE, MT

Weather variables    Help
Click a weather variable name to jump down to those statistics.
Total
observations
%
NDJFM
observations
%
TMAX
17477
95.7%
7192
95.1%
TMIN
17541
96.0%
7219
95.5%
PRCP
17695
96.9%
7273
96.2%
SNOW
17010
93.1%
6725
88.9%




TMAX     Help     top of page

TMAX
observations
mean
std dev
   
Distribution
during extreme days of
NDJFM
7192  by year
41.8°F
16.1°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>=62°F
544
0.28
98
39
2.5*
map
table
Extreme low events
Days with TMAX<=13°F
510
-0.39
74
154
2.1*
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>=62°F
544
0.82
193
18
10.7*
map
table
Extreme low events
Days with TMAX<=13°F
510
-1.09
17
238
14.0*
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>=62°F
544
81
89
1.1
map
table
Extreme low events
Days with TMAX<=13°F
510
55
82
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
7219  by year
15.1°F
15.3°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
490
-0.30
79
139
1.8*
map
table
Extreme high events
Days with TMIN>=34°F
514
0.29
105
51
2.1*
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
490
-1.12
17
235
13.8*
map
table
Extreme high events
Days with TMIN>=34°F
514
0.62
145
17
8.5*
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
490
45
87
1.9*
map
table
Extreme high events
Days with TMIN>=34°F
514
77
81
1.1
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
7273  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"
1281
0.12"
-0.17
186
274
1.5*
map
table
Extreme events
Days with PRCP>0.20"
230
0.36"
-0.15
34
50
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"
1281
0.12"
-0.41
130
319
2.5*
map
table
Extreme events
Days with PRCP>0.20"
230
0.36"
-0.41
24
60
2.5*
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"
1281
0.12"
195
161
1.2
map
table
Extreme events
Days with PRCP>0.20"
230
0.36"
28
34
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
6725  by year
0.29"
   
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"
920
2.08"
-0.17
151
207
1.4*
map
table
Extreme events
Days with SNOW>3.0"
164
5.59"
-0.25
25
44
1.8
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"
920
2.08"
-0.56
77
259
3.4*
map
table
Extreme events
Days with SNOW>3.0"
164
5.59"
-0.50
17
45
2.6*
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"
920
2.08"
137
104
1.3*
map
table
Extreme events
Days with SNOW>3.0"
164
5.59"
19
20
1.1
map
table

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