LIST OF CHARTS

CHART PAGE
1. High and Low Centers of Action and Prevailing Winds of the Globe for July 99
2. High and Low Centers of Action and Prevailing Winds of the Globe for January 100
3. Winter Storm, December 15, 1893, 8 A.M. 114
4. Winter Storm, December 15, 1893, 8 P.M. 116
5. Winter Storm, December 16, 1893, 8 A.M. 118
6. Cold Wave Zones, March to November. Amount of Fall and Verifying Limit 127
7. Cold Wave Zones, December, January, and February. Amount of Fall and Verifying Limit 128
8. Lowest Temperatures in the United States, 1871-1913 129
9. Number of Cold Waves, 1904-1914, Inclusive 130
10. Storm Tracks for August for Ten Years 132
11. Storm Tracks for February for Ten Years 134
12. Average Maximum Temperature for July 195
13. Ocean Currents 196
14. Mean Annual Isotherms 200
15. Normal Wind Direction and Velocity for January and February 202
16. Normal Wind Direction and Velocity for July and August 204
17. Map of Climatic Energy 221
18. Density of Population in the United States, 1910 222