Official 1981-2010 Climate Normals

City: HIGHLAND  
State: IL
ID: 114089
Latitude: 38.7583
Longitude: -89.6556
Elevation:  524.8 ft



Precipitation-Related Normals

Normal    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec
Prcp:    2.45   2.52   3.59   4.09   4.93   4.11   3.99   3.53   3.22   3.70   4.38   3.13
Snow:     4.3    2.3    1.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.3    2.9

Number of Days
P001:     6.6    6.3    8.5    9.5   10.5    8.9    7.6    6.9    6.4    6.8    7.6    7.1
P010:     4.1    4.4    6.1    7.2    7.6    6.9    5.9    5.1    4.8    5.5    6.5    4.9
P100:     0.5    0.6    0.9    0.9    1.4    1.2    1.2    1.3    1.0    1.2    1.1    1.0
S001:     3.0    1.9    0.8    0.0    0.0    0.0    0.0    0.0    0.0    0.1    0.4    1.7
S010:     1.6    0.8    0.3    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.3    0.9
S100:     0.0    0.1    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0
------------------------------------------------------------------------------------------
Annual Values

Precipitation:   43.64 inches
     Snowfall:    10.8 inches

   Days precipitation at or above 0 inches (P000):    92.7
Days precipitation at or above 0.10 inches (P010):    69.0
Days Precipitation at or above 1.00 inches (P100):    12.3
      Days Snowfall at or above 0.1 inches (S001):     7.9
      Days Snowfall at or above 1.0 inches (S010):     3.9
     Days Snowfall at or above 10.0 inches (S100):     0.1

------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------
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