Nashville Climate Normals

Official 1981-2010 Climate Normals

City: NASHVILLE 1 E
State: IL
ID: 116011
Latitude: 38.3431
Longitude: -89.3586
Elevation:  513.0 ft

Temperature-Related Normals

Normal    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec
High:    38.2   43.0   54.1   65.5   74.7   83.7   86.9   86.1   79.0   68.1   54.3   41.4
Mean:    29.9   34.0   44.5   55.5   65.1   74.0   77.3   76.0   68.4   57.5   45.1   33.5
 Low:    21.7   25.0   34.9   45.6   55.4   64.3   67.7   65.8   57.7   47.0   35.8   25.5
 CDD:       0      0      2     19     96    277    382    341    153     30      1      0
 HDD:    1086    868    637    303     95      8      1      2     52    261    600    978

Number of Days
T090:     0.0    0.0    0.0    0.0    0.3    4.3    8.6    7.4    1.8    0.1    0.0    0.0
T100:     0.0    0.0    0.0    0.0    0.0    0.0    0.1    0.4    0.0    0.0    0.0    0.0
T000:     1.2    0.5    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.8
T032:    25.8   21.3   12.2    2.3    0.0    0.0    0.0    0.0    0.0    1.8   11.1   22.8
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Annual Values

 High Temp:    64.7 F
 Mean Temp:    55.2 F
  Low Temp:    45.6 F
Cooling DD:    1302
Heating DD:    4890

Days above  90 (T090):    22.5
Days above 100 (T100):     0.5
Days below   0 (T000):     2.6
Days below  32 (T032):    97.2
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Precipitation-Related Normals

Normal    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec
Prcp:    2.31   2.27   3.33   3.68   4.77   3.91   3.93   2.64   3.27   3.44   3.70   2.87
Snow:     4.2    4.3    0.9    0.1    0.0    0.0    0.0    0.0    0.0    0.1    0.3    3.4

Number of Days
P001:     7.4    7.3    9.8    9.8   10.6    9.0    7.9    7.1    6.7    8.2    8.9    8.6
P010:     4.4    4.6    6.5    6.9    7.5    6.4    5.5    4.7    4.5    5.8    6.4    5.6
P100:     0.5    0.4    0.9    0.9    1.3    1.0    1.4    0.6    1.0    0.9    0.9    0.6
S001:     2.7    2.6    0.8    0.1    0.0    0.0    0.0    0.0    0.0    0.1    0.2    2.0
S010:     1.3    1.4    0.2    0.1    0.0    0.0    0.0    0.0    0.0    0.0    0.1    1.2
S100:     0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0
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Annual Values

Precipitation:   40.12 inches
     Snowfall:    13.3 inches

   Days precipitation at or above 0 inches (P000):   101.3
Days precipitation at or above 0.10 inches (P010):    68.8
Days Precipitation at or above 1.00 inches (P100):    10.4
      Days Snowfall at or above 0.1 inches (S001):     8.5
      Days Snowfall at or above 1.0 inches (S010):     4.3
     Days Snowfall at or above 10.0 inches (S100):     0.0

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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