Lawrenceville Climate Normals

Official 1981-2010 Climate Normals

City: LAWRENCEVILLE  
State: IL
ID: 114957
Latitude: 38.7267
Longitude: -87.6900
Elevation:  441.8 ft

Temperature-Related Normals

Normal    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec
High:    38.5   43.4   54.0   65.9   75.8   85.0   88.3   86.8   80.7   68.6   55.6   41.9
Mean:    30.5   34.4   43.9   54.7   64.8   74.0   77.3   75.7   68.6   56.8   45.8   33.8
 Low:    22.5   25.4   33.7   43.5   53.7   63.1   66.3   64.7   56.4   44.9   36.0   25.7
 CDD:       0      0      2     16     97    281    381    335    158     26      2      0
 HDD:    1069    857    657    325    104      9      0      2     52    282    578    967

Number of Days
T090:     0.0    0.0    0.0    0.0    1.1    7.2   11.9    9.6    3.4    0.1    0.0    0.0
T100:     0.0    0.0    0.0    0.0    0.0    0.0    0.2    0.3    0.0    0.0    0.0    0.0
T000:     1.4    0.4    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.3
T032:    24.0   20.6   14.3    2.5    0.0    0.0    0.0    0.0    0.0    2.2   10.8   22.6
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Annual Values

 High Temp:    65.5 F
 Mean Temp:    55.1 F
  Low Temp:    44.8 F
Cooling DD:    1297
Heating DD:    4902

Days above  90 (T090):    33.2
Days above 100 (T100):     0.5
Days below   0 (T000):     2.1
Days below  32 (T032):    97.0
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Precipitation-Related Normals

Normal    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec
Prcp:    2.83   2.59   3.73   4.09   5.80   4.21   4.31   2.96   3.37   3.87   4.22   3.53
Snow:     4.3    4.5    1.7    0.1    0.0    0.0    0.0    0.0    0.0    0.1    0.3    4.7

Number of Days
P001:     9.3    8.8    9.8   10.4   11.3   10.1    8.4    7.2    7.0    7.8    9.3   10.1
P010:     5.2    4.7    6.3    7.2    8.5    6.5    6.0    4.7    4.8    5.3    6.3    6.2
P100:     0.5    0.7    0.8    1.0    1.9    1.3    1.4    1.0    1.0    1.2    1.4    0.7
S001:     4.5    3.6    1.3    0.0    0.0    0.0    0.0    0.0    0.0    0.1    0.4    2.9
S010:     1.9    1.4    0.5    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.1    1.4
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:   45.51 inches
     Snowfall:    15.7 inches

   Days precipitation at or above 0 inches (P000):   109.5
Days precipitation at or above 0.10 inches (P010):    71.7
Days Precipitation at or above 1.00 inches (P100):    12.9
      Days Snowfall at or above 0.1 inches (S001):    12.8
      Days Snowfall at or above 1.0 inches (S010):     5.3
     Days Snowfall at or above 10.0 inches (S100):     0.0

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City: LAWRENCEVILLE INTERNATIONAL AIRPORT
State: IL
ID: 013809
Latitude: 38.7642
Longitude: -87.6056
Elevation:  429.0 ft

Temperature-Related Normals

Normal    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec
High:    39.2   44.2   55.3   66.7   76.6   85.2   88.3   87.5   81.9   69.5   55.8   42.3
Mean:    31.1   35.5   45.0   56.0   66.0   74.5   77.8   76.4   69.5   57.7   46.3   34.6
 Low:    22.9   26.9   34.7   45.3   55.4   63.7   67.4   65.4   57.0   45.9   36.9   27.0
 CDD:       0      0      2     24    113    290    398    356    171     32      1      0
 HDD:    1052    824    622    294     82      7      0      1     38    258    561    941

Number of Days
T090:     0.0    0.0    0.0    0.0    2.0    8.6   12.4   10.1    3.7    0.3    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:     1.4    0.1    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.7
T032:    23.8   20.5   12.4    2.1    0.0    0.0    0.0    0.0    0.0    1.4    9.4   20.2
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Annual Values

 High Temp:    66.1 F
 Mean Temp:    56.0 F
  Low Temp:    45.8 F
Cooling DD:    1387
Heating DD:    4680

Days above  90 (T090):    37.1
Days above 100 (T100):     0.4
Days below   0 (T000):     2.2
Days below  32 (T032):    89.8
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Precipitation-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
Prcp:    2.38   2.01   3.43   4.16   5.58   3.98   4.42   3.39   3.19   3.98   3.97   3.39
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Annual Values

Precipitation:   43.88 inches

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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