247020 - RICHEY, Montana

Latitude
47° 38´N
Longitude
105° 4´W
Elevation
763 meters

COOP Northwest

Montana
Help

Main
10 nearest COOP Northwest stations
15 miWSW :CIRCLE 7 N, MT
15 miNW :VIDA 6 NE, MT
17 miS :LINDSAY, MT
17 miWSW :CIRCLE, MT
24 miESE :BLOOMFIELD, MT
25 miE :BLOOMFIELD 9 NNE, MT
26 miSW :BROCKWAY 3 WSW, MT
26 miSSW :TERRY 21 NNW, MT
28 miESE :BLOOMFIELD 6 E, MT
31 miE :LAMBERT, MT

Weather variables    Help
Click a weather variable name to jump down to those statistics.
Total
observations
%
NDJFM
observations
%
TMAX
8704
47.7%
3464
45.8%
TMIN
8751
47.9%
3500
46.3%
PRCP
8703
47.7%
3387
44.8%
SNOW
7017
38.4%
2153
28.5%




TMAX     Help     top of page

TMAX
observations
mean
std dev
   
Distribution
during extreme days of
NDJFM
3464  by year
31.7°F
16.7°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
242
-0.07
22
21
1.0
map
table
Extreme low events
Days with TMAX<=3°F
231
-0.71
30
89
3.0*
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
242
0.48
58
12
4.8*
map
table
Extreme low events
Days with TMAX<=3°F
231
-1.08
7
103
14.7*
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
242
33
51
1.5
map
table
Extreme low events
Days with TMAX<=3°F
231
27
45
1.7
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
3500  by year
8.5°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<=-20°F
240
-0.51
27
69
2.6*
map
table
Extreme high events
Days with TMIN>=30°F
278
0.08
40
35
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<=-20°F
240
-1.03
7
111
15.9*
map
table
Extreme high events
Days with TMIN>=30°F
278
0.25
45
20
2.2*
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<=-20°F
240
23
50
2.2*
map
table
Extreme high events
Days with TMIN>=30°F
278
24
44
1.8*
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
3387  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"
509
0.08"
-0.36
63
127
2.0*
map
table
Extreme events
Days with PRCP>0.12"
94
0.22"
-0.29
12
23
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"
509
0.08"
-0.37
52
118
2.3*
map
table
Extreme events
Days with PRCP>0.12"
94
0.22"
-0.48
10
25
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"
509
0.08"
60
81
1.4
map
table
Extreme events
Days with PRCP>0.12"
94
0.22"
10
11
1.1
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
2153  by year
0.12"
   
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"
198
1.35"
-0.68
10
60
6.0*
map
table
Extreme events
Days with SNOW>2.0"
30
3.58"
-0.27
2
5
2.5
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"
198
1.35"
-0.60
10
65
6.5*
map
table
Extreme events
Days with SNOW>2.0"
30
3.58"
-1.13
1
14
14.0*
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"
198
1.35"
24
56
2.3*
map
table
Extreme events
Days with SNOW>2.0"
30
3.58"
6
7
1.2
map
table

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