117876 - SHELBYVILLE DAM, Illinois

Latitude
39° 25´N
Longitude
88° 47´W
Elevation
200 meters

COOP Midwest

Illinois
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Main
10 nearest COOP Midwest stations
10 miE :WINDSOR, IL
11 miNE :SULLIVAN 5 SSW, IL
14 miWSW :PANA 3 E, IL
16 miS :BEECHER CITY, IL
20 miNW :MOWEAQUA, IL
22 miSE :EFFINGHAM, IL
23 miE :MATTOON, IL
24 miSE :EFFINGHAM, IL
25 miSW :RAMSEY, IL
28 miNNE :HAMMOND, IL

Weather variables    Help
Click a weather variable name to jump down to those statistics.
Total
observations
%
NDJFM
observations
%
TMAX
1168
6.4%
427
5.6%
TMIN
1196
6.5%
446
5.9%
PRCP
1235
6.8%
472
6.2%
SNOW
1210
6.6%
446
5.9%




TMAX     Help     top of page

TMAX
observations
mean
std dev
   
Distribution
during extreme days of
NDJFM
427  by year
43.9°F
13.6°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>=64°F
31
0.19
7
4
1.8
map
table
Extreme low events
Days with TMAX<=24°F
30
0.99
12
0
Inf*
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>=64°F
31
-0.01
7
5
1.4
map
table
Extreme low events
Days with TMAX<=24°F
30
0.40
8
3
2.7
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>=64°F
31
9
5
1.8
map
table
Extreme low events
Days with TMAX<=24°F
30
0
8
Inf*
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
446  by year
25.7°F
11.9°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<=4°F
32
0.76
9
1
9.0*
map
table
Extreme high events
Days with TMIN>=41°F
37
-0.08
5
5
1.0
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<=4°F
32
0.60
8
2
4.0
map
table
Extreme high events
Days with TMIN>=41°F
37
-0.33
3
5
1.7
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<=4°F
32
0
7
Inf*
map
table
Extreme high events
Days with TMIN>=41°F
37
9
8
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
472  by year
0.10"
   
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"
117
0.41"
0.41
25
9
2.8*
map
table
Extreme events
Days with PRCP>0.60"
22
1.19"
0.42
4
1
4.0
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"
117
0.41"
-0.13
17
16
1.1
map
table
Extreme events
Days with PRCP>0.60"
22
1.19"
-0.08
4
3
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"
117
0.41"
6
24
4.0*
map
table
Extreme events
Days with PRCP>0.60"
22
1.19"
0
5
Inf
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
446  by year
0.03"
   
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"
3
3.83"
0.58
1
0
Inf
map
table
Extreme events
Days with SNOW>5.0"
0
NaN"
NaN
NaN
NaN
NaN
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"
3
3.83"
-0.15
0
0
NaN
map
table
Extreme events
Days with SNOW>5.0"
0
NaN"
NaN
NaN
NaN
NaN
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"
3
3.83"
0
1
Inf
map
table
Extreme events
Days with SNOW>5.0"
0
NaN"
NaN
NaN
NaN
map
table

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