Robinson Climate Normals

Official 1981-2010 Climate Normals

City: ROBINSON
State: IL
ID: 117345
Latitude: 39.0061
Longitude: -87.7769
Elevation: 535.0 ft

Temperature-Related Pseudonormals

For stations with short records, linear combinations of normals from nearby sites were used
to compute so-called pseudonormals.

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High: 38.0 42.8 53.9 65.0 74.4 83.2 85.7 85.1 80.1 68.6 54.8 41.3
Mean: 29.1 33.0 43.3 54.2 63.9 73.0 75.7 74.2 67.3 56.0 44.5 32.5
Low: 20.2 23.2 32.6 43.4 53.3 62.7 65.7 63.3 54.4 43.4 34.2 23.6
CDD: 0 0 2 15 83 250 333 289 125 26 1 0
HDD: 1113 896 676 339 118 12 1 5 58 304 616 1008

Number of Days
T090: 0.0 0.0 0.0 0.0 0.6 4.1 7.6 6.8 3.2 0.4 0.0 0.0
T100: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
T000: 2.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.5
T032: 25.5 23.1 15.7 2.5 0.1 0.0 0.0 0.0 0.1 3.4 14.0 24.6
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Annual Values

High Temp: 64.5 F
Mean Temp: 54.0 F
Low Temp: 43.4 F
Cooling DD: 1123
Heating DD: 5146

Days above 90 (T090): 22.7
Days above 100 (T100): 0.0
Days below 0 (T000): 2.9
Days below 32 (T032): 109.1
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Precipitation-Related Normals

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Prcp: 2.70 2.39 3.80 4.23 4.87 3.45 3.88 3.18 3.35 3.58 3.81 3.28

Number of Days
P001: 8.3 7.7 10.4 9.7 12.3 9.5 9.8 6.9 6.5 8.2 8.4 9.8
P010: 5.1 4.8 6.6 7.8 8.5 6.4 7.0 4.9 5.0 5.0 6.0 6.9
P100: 0.8 0.6 1.3 1.0 1.2 1.1 1.1 1.0 1.3 1.4 0.9 0.7
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Annual Values

Precipitation: 42.52 inches

Days precipitation at or above 0 inches (P000): 107.5
Days precipitation at or above 0.10 inches (P010): 74.0
Days Precipitation at or above 1.00 inches (P100): 12.4

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KEY:
High - average daily high temperature, degrees F
Mean - average daily mean temperature, degrees F
Low - average daily low temperature, degrees F
CDD - cooling degree days, base 50F
HDD - heating degree days, base 50F
T090 - number of Days with Temperatures above 90 degrees F
T100 - number of Days with Temperatures above 100 degrees F
T000 - number of Days with Temperatures below 0 degrees F
T032 - number of Days with Temperatures below 32 degrees F
Prcp - precipitation, inches
Snow - snowfall, inches
P001 - number of Days with Precipitation of 0.01 inches or more
P010 - number of Days with Precipitation of 0.10 inches or more
P100 - number of Days with Precipitation of 1.00 inches or more
S001 - number of Days with Snowfall of 0.1 inches or more
S010 - number of Days with Snowfall of 1.0 inches or more
S100 - number of Days with Snowfall of 10.0 inches or more

Page Source:
Dr. Jim Angel, State Climatologist
Illinois State Water Survey
Prairie Research Institute
University of Illinois

Data Source:
NOAA National Climatic Data Center