Southern Plateau District.—Western New Mexico, Arizona, and Southeastern California.
Upper Lake Region.—Lakes Superior, Huron, and Michigan, with adjacent country.
Upper Mississippi Valley.—The belt of country, about 200 miles broad, from Saint Paul to Cairo. 0 Western Gulf States.—Western Louisiana, Western Arkansas, Eastern Texas, Southern Missouri, and southeastern portion of Indian Territory.
Table No. II.—Winds least likely to be followed by rain or snow.
1871 to 1881, INCLUSIVE.
| Geographical district. | January. | February. | March. | April. | May. | June. |
|---|---|---|---|---|---|---|
| Eastern Gulf States | NW to SW | NW to SW | N to W | N to W | N to W | NE to NW |
| Key West and Punta Rassa | NW to SW | N to W | N to W | N to W | N to W | N to W |
| Lower Lake Region | NE to NW | NE to NW | NE to NW | N to W | E to N | E to N |
| Lower Mississippi Valley | N to W | N to W | N to W | N to W | NE to NW | E to N |
| Middle Atlantic States | N to W | N to W | N to W | N to W | N to W | NE to NW |
| Middle Eastern Rocky Mountain Slope | NW to SW | NW to SW | NW to SW | NW to SW | NW to SW | NW to SW |
| Middle Pacific Coast Region | E to N | E to N | NE to NW | E to N | E to N | NE to NW |
| Middle Plateau District | E to N | N to W | E to N | E to N | E to N | W to S |
| Missouri Valley | W to S | W to S | W to S | NW to SW | NW to SW | NW to SW |
| New England States | SE to NE | N to W | N to W | N to W | N to W | N to W |
| Northern Rocky Mountain Slope | S to E | W to S | W to S | W to S | W to S | NW to SW |
| North Pacific Coast Region | NE to NW | NE to NW | E to N | E to N | SE to NE | SE to NE |
| Northern Plateau District | NE to NW | NE to NW | E to N | NE to NW | E to N | E to N |
| Ohio Valley | N to W | NE to NW | N to W | NE to NW | NE to NW | E to N |
| Rio Grande Valley | NW to SW | NW to SW | NW to SW | NW to SW | NW to SW | NW to SW |
| South Atlantic States | NW to SW | N to W | N to W | N to W | N to W | NE to NW |
| Southeastern Rocky Mountain Slope | NW to SW | NW to SW | NW to SW | NW to SW | N to W | N to W |
| South Pacific Coast Region | NE to NW | NE to NW | NE to NW | E to N | E to N | E to N |
| Southern Plateau District | NE to NW | E to N | E to N | E to N | NE to NW | N to W |
| Tennessee | N to W | N to W | N to W | N to W | N to W | NE to NW |
| Upper Lake Region | E to N | N to W | N to W | N to W | N to W | N to W |
| Upper Mississippi Valley | NW to SW | NW to SW | NW to SW | N to W | N to W | NE to NW |
| Western Gulf States | NW to SW | N to W | NW to SW | N to W | N to W | N to W |
| Geographical district. | July. | August. | September. | October. | November. | December. |
| Eastern Gulf States | NE to NW | NE to NW | NW to SW | NW to SW | NW to SW | NW to SW |
| Key West and Punta Rassa | NE to NW | N to W | N to W | NW to SW | N to W | N to W |
| Lower Lake Region | E to N | E to N | NE to NW | NE to NW | NE to NW | NE to NW |
| Lower Mississippi Valley | E to N | E to N | NW to SW | N to W | NW to SW | N to W |
| Middle Atlantic States | E to N | N to W | N to W | N to W | N to W | N to W |
| Middle Eastern Rocky Mountain Slope | NW to SW | W to S | NW to SW | NW to SW | NW to SW | W to S |
| Middle Pacific Coast Region | NE to NW | E to N | E to N | NE to NW | SE to NE | E to N |
| Middle Plateau District | SE to NE | E to N | E to N | E to N | E to N | E to N |
| Missouri Valley | NW to SW | N to W | NW to SW | NW to SW | W to S | W to S |
| New England States | N to W | N to W | N to W | N to W | N to W | NW to SW |
| Northern Rocky Mountain Slope | NW to SW | NW to SW | SW to SE | SW to SE | SE to NE | W to S |
| North Pacific Coast Region | SE to NE | SE to NE | E to N | E to N | E to N | NE to NW |
| Northern Plateau District | SE to NE | S to E | S to E | E to N | E to N | NE to NW |
| Ohio Valley | E to N | E to N | N to W | E to N | N to W | N to W |
| Rio Grande Valley | NW to SW | NW to SW | NW to SW | NW to SW | W to S | W to S |
| South Atlantic States | N to W | N to W | N to W | NW to SW | NW to SW | N to W |
| Southeastern Rocky Mountain Slope | N to W | N to W | NW to SW | NW to SW | NW to SW | NW to SW |
| South Pacific Coast Region | E to N | S to E | S to E | SE to NE | NE to NW | NE to NW |
| Southern Plateau District | NE to NW | NE to NW | NE to NW | NE to NW | NE to NW | E to N |
| Tennessee | NE to NW | E to N | N to W | N to W | N to W | N to W |
| Upper Lake Region | N to W | N to W | N to W | E to N | E to N | E to N |
| Upper Mississippi Valley | N to W | NE to NW | E to N | N to W | NW to SW | NW to SW |
| Western Gulf States | NE to NW | N to W | NW to SW | NW to SW | NW to SW | NW to SW |
NOTES.
Eastern Gulf States.—Eastern Mississippi, Alabama, and Northwestern Florida.
Lower Lake Region.—Lakes Erie and Ontario with adjacent territory.
Lower Mississippi Valley.—A belt of country 200 miles broad, from Cairo to Vicksburg. Below Vicksburg the character of the country so changes that it is no longer described as a valley.