Rain and Snow Storms of Long Duration | 192 |
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Periods of Drouth with No Appreciable Precipitation | 193 |
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Dry Spells of 2 Weeks or Longer | 194 |
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Drouth Preceding Chicago Fire of 1871 | 197 |
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Frequency of Precipitation Daily | 198 |
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Frequency of Precipitation on Each Day of the Year | 199 |
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Normal Precipitation Daily Monthly and Annual | 200 |
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Daily Departures of Precipitation 1909 Wet Year | 201 |
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XCD7 Daily Departures of Precipitation 1910 Dry Year | 202 |
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Daily Departures of Precipitation 1911 Nearly Normal Year | 203 |
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Mean and Total Hourly Rainfall by Months | 204 |
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Hourly Frequency of Precipitation Total Occurrences | 206 |
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Hourly Frequency of Precipitation Percentages | 207 |
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Summary of Precipitation Data | 209 |
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Number of Thunderstorms Monthly and Annual | 211 |
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Frequency and Time Distribution of Thunderstorms | 214 |
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Snow 215236 | 215 |
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CHI Monthly and Seasonal Snowfall | 217 |
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Atmospheric Moisture 239249 | 239 |
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Mean Monthly and Annual Relative Humidity | 241 |
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Mean Monthly and Annual Relative Humidity | 247 |
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Cloudiness and Sunshine 253274 | 253 |
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Sunshine Phases | 263 |
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Number of Days with Dense Fog | 269 |
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Wind Direction and Velocity | 275 |
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Wind Direction and Velocity 277317 | 277 |
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Monthly and Annual Prevailing Direction of Wind | 280 |
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CXXVIIIa Frequency of Monthly Prevailing Wind Directions | 281 |
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Total Wind Movement Annual and Monthly | 284 |
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Greatest Daily Wind Movement Each Month and Year | 290 |
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Monthly and Annual Frequency of Precipitation 168 | 292 |
| | |
Mean Hourly Wind Velocity | 297 |
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Average Number of Miles of Wind and Time of Blow ing from Each Direction Monthly and Annual | 300 |
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Prevailing Hourly Wind Direction Chicago 111 | 305 |
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Prevailing Hourly Wind Direction Davenport Iowa | 307 |
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Average Hourly Wind Velocity by Months 1909 | 310 |
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Monthly Maximum Wind Velocities 1909 Selected Cities in the United States | 312 |
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Summary of Wind Velocity and Direction Data | 315 |
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Barometric Pressure | 316 |
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Barometric Pressure 321333 | 321 |
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Mean Monthly and Annual Station Pressure | 322 |
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Monthly and Annual Departures from Normal Station Pressure | 324 |
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Mean Hourly Pressure by Months | 326 |
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Pressure Phases | 327 |
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Storm Tracks 337353 | 337 |
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Conclusion | 357 |
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Appendixes | 359 |
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Weather of New Years Day Fourth of July and Christmas Day | 361 |
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Comparative Data on Temperature and Precipita | 365 |
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Copyright | |
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