133473 - GRINNELL 3 SW, Iowa

Latitude
41° 43´N
Longitude
92° 45´W
Elevation
276 meters

COOP Northern Plains

Iowa
Help

Main
10 nearest COOP Northern Plains stations
10 miSW :KILLDUFF, IA
12 miN :GILMAN, IA
14 miSE :MONTEZUMA 1 W, IA
15 miW :NEWTON, IA
16 miE :BROOKLYN, IA
17 miN :DUNBAR 2 NE, IA
19 miSSW :PELLA 4 N, IA
22 miNNE :TOLEDO, IA
23 miSW :MONROE, IA
24 miNNW :MARSHALLTOWN 1, IA

Weather variables    Help
Click a weather variable name to jump down to those statistics.
Total
observations
%
NDJFM
observations
%
TMAX
18086
99.0%
7463
98.7%
TMIN
18076
99.0%
7463
98.7%
PRCP
18108
99.2%
7469
98.8%
SNOW
18031
98.7%
7422
98.1%




TMAX     Help     top of page

TMAX
observations
mean
std dev
   
Distribution
during extreme days of
NDJFM
7463  by year
36.8°F
14.7°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>=60°F
510
0.26
95
47
2.0*
map
table
Extreme low events
Days with TMAX<=14°F
509
-0.37
77
137
1.8*
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>=60°F
510
-0.22
43
72
1.7*
map
table
Extreme low events
Days with TMAX<=14°F
509
0.07
108
103
1.0
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>=60°F
510
74
89
1.2
map
table
Extreme low events
Days with TMAX<=14°F
509
57
72
1.3
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
7463  by year
17.0°F
14.3°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<=-7°F
534
-0.41
78
147
1.9*
map
table
Extreme high events
Days with TMIN>=35°F
577
0.19
100
54
1.9*
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<=-7°F
534
0.10
124
104
1.2
map
table
Extreme high events
Days with TMIN>=35°F
577
-0.24
38
73
1.9*
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<=-7°F
534
54
59
1.1
map
table
Extreme high events
Days with TMIN>=35°F
577
126
88
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
7469  by year
0.06"
   
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"
1729
0.24"
0.02
290
271
1.1
map
table
Extreme events
Days with PRCP>0.37"
343
0.74"
-0.05
53
54
1.0
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"
1729
0.24"
-0.21
202
333
1.6*
map
table
Extreme events
Days with PRCP>0.37"
343
0.74"
-0.33
27
64
2.4*
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"
1729
0.24"
298
256
1.2
map
table
Extreme events
Days with PRCP>0.37"
343
0.74"
58
49
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
7422  by year
0.20"
   
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"
855
1.70"
-0.14
141
182
1.3*
map
table
Extreme events
Days with SNOW>2.9"
171
4.68"
-0.40
22
50
2.3*
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"
855
1.70"
-0.04
138
146
1.1
map
table
Extreme events
Days with SNOW>2.9"
171
4.68"
-0.09
23
26
1.1
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"
855
1.70"
127
121
1.0
map
table
Extreme events
Days with SNOW>2.9"
171
4.68"
24
26
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