Historical Temperature Trends in Decatur, Illinois

Summary statistics of average monthly temperatures in Decatur, Illinois, collected since the end of the nineteenth century till about 1994. The reader is also welcommed to inspect the warming trends in the location. To convert the results in degrees of Fahrenheit, click here.

Long-Term Summary Statistics in °C.
JanFebMarAprMayJunJulAugSepOctNovDec
Minimum-12.44-8.42-3.20 6.0913.3318.3521.2619.5915.49 7.71 0.47-8.63
Lower Bound-3.76-2.03 4.1110.9116.6621.6223.7622.6519.2512.71 4.99-1.45
Average-3.15-1.46 4.6311.2517.0321.9424.0222.9319.5613.09 5.36-0.93
Upper Bound-2.54-0.89 5.1511.6017.4022.2524.2823.2119.8713.46 5.74-0.41
Maximum3.514.1411.7815.7521.2926.2628.1327.1923.418.4110.934.53
Sample Size106106106105105105105105105105105105

bulletData Description

Plot of the average monthly temperatures in Decatur, Illinois.
Plot of the average monthly temperatures in Decatur, Illinois.

Plot of the 'raw' monthly average temperatures in Decatur, Illinois.
Plot of the 'raw' monthly average temperatures in Decatur, Illinois.