Vol. 4 of 5. Inserted documents:

Quantity of Rain and melted Snow, in inches, abstracted from the Meteorological Observations of JOEL HALL, kept at Athens, Ill. from January, 1st 1843 to the present time [1861.]

Easter Sunday minimum temperatures, 1882-1965

Degree Days, 1895-1951

Newspaper clipping showing old Post Office and Government Building, where Weather Bureau was located, 1879-1905

Plans of Weather Bureau Office in Federal Building at Seventh and Monroe, showing locations of recording devices and rooms, 1932

Pressure, Highest and Lowest, in inches and hundredths...extremes for entire record of 61 years, 1946

Percentages of directions from which the wind blows as determined from the Springfield Airport records for the period 1929-1942

Description of Topography and Exposure of Instruments at Weather Reporting Station, 1943

Index of Earthquake Tremors at Springfield, Illinois, 1905-1947