116753 - PERU, Illinois

Latitude
41° 21´N
Longitude
89° 6´W
Elevation
189 meters

COOP Midwest

Illinois
Help

Main
10 nearest COOP Midwest stations
2 miWSW :LA SALLE PERU, IL
2 miWSW :PERU, IL
2 miS :LA SALLE 1 S, IL
6 miESE :UTICA STARVED ROCK DAM, IL
10 miE :OTTAWA 5 SW, IL
12 miWSW :HENNEPIN POWER PLANT, IL
17 miE :DAYTON, IL
18 miE :MARSEILLES LOCK, IL
19 miW :PRINCETON 1 S, IL
19 miW :PRINCETON, IL

Weather variables    Help
Click a weather variable name to jump down to those statistics.
Total
observations
%
NDJFM
observations
%
TMAX
12141
66.5%
5104
67.5%
TMIN
12130
66.4%
5092
67.3%
PRCP
12156
66.6%
5108
67.5%
SNOW
11706
64.1%
4685
61.9%




TMAX     Help     top of page

TMAX
observations
mean
std dev
   
Distribution
during extreme days of
NDJFM
5104  by year
39.0°F
14.2°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>=61°F
381
0.46
82
26
3.2*
map
table
Extreme low events
Days with TMAX<=18°F
369
-0.34
54
93
1.7*
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>=61°F
381
-0.41
28
79
2.8*
map
table
Extreme low events
Days with TMAX<=18°F
369
0.16
91
71
1.3
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>=61°F
381
76
64
1.2
map
table
Extreme low events
Days with TMAX<=18°F
369
39
38
1.0
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
5092  by year
21.5°F
13.7°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<=-3°F
343
-0.46
51
103
2.0*
map
table
Extreme high events
Days with TMIN>=39°F
374
0.33
72
29
2.5*
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<=-3°F
343
0.27
88
55
1.6*
map
table
Extreme high events
Days with TMIN>=39°F
374
-0.50
15
76
5.1*
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<=-3°F
343
31
34
1.1
map
table
Extreme high events
Days with TMIN>=39°F
374
93
52
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
5108  by year
0.07"
   
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"
1376
0.26"
0.10
247
197
1.3*
map
table
Extreme events
Days with PRCP>0.40"
270
0.83"
0.10
48
33
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"
1376
0.26"
-0.27
165
284
1.7*
map
table
Extreme events
Days with PRCP>0.40"
270
0.83"
-0.51
18
68
3.8*
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"
1376
0.26"
275
156
1.8*
map
table
Extreme events
Days with PRCP>0.40"
270
0.83"
57
35
1.6*
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
4685  by year
0.14"
   
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"
377
1.79"
-0.20
59
82
1.4
map
table
Extreme events
Days with SNOW>3.0"
57
4.99"
-0.30
8
15
1.9
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"
377
1.79"
0.19
82
54
1.5*
map
table
Extreme events
Days with SNOW>3.0"
57
4.99"
0.15
13
10
1.3
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"
377
1.79"
54
20
2.7*
map
table
Extreme events
Days with SNOW>3.0"
57
4.99"
7
5
1.4
map
table

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