Scope and Contents

Means Books are monthly and annual summaries of maxima, minima, and means of temperature, wind direction and velocity, precipitation amounts, cloud cover, barometric pressure, dates of first and last frosts, relative humidity, and occurrence of thunderstorms and foggy days. Also includes remarks on unusual weather occurrences, such as severe thunderstorms, blizzards, floods, and droughts. 2 vols.

Scope and Contents

Vol. 2 of 2

Scope and Contents

Statewide summary of means and extremes of temperature, barometric pressure, and precipitation; also averages of clear days and prevailing wind direction, and dates of occurrences of thunderstorms, hailstorms, rainbows, fog, frost, halos and auroras. Also included are means and extremes of temperature and precipitation and occurrences of clear days at about 65 stations around Illinois.

Scope and Contents

Detailed comparative monthly and annual summaries of means and extremes of barometric pressure, temperature, precipitation, wind direction and velocity, cloudiness and sunshine, and numbers of days with fog, hail, thunderstorms, halos and auroras. Also included is information on the types and placement of measuring instruments, and location and layout of the recording station. 5 vols.

Scope and Contents

Vol. 2 of 5

Scope and Contents

Vol. 3 of 5

Scope and Contents 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, 1882-1965Degree Days, 1895-1951Newspaper clipping showing old Post Office and Government Building, where Weather Bureau was located, 1879-1905Plans of Weather Bureau Office in Federal...

Scope and Contents

Vol. 5 of 5

Scope and Contents

Includes duplicate of Surface Weather Observations, 1949