| Stations: |
Precipitation |
| Akron- Canton Airport (377 m, Ohio) |
4.0 mm |
| Alpena (211 m, Michigan) |
6.0 mm |
| Atlantic City Airport (20 m, New Jersey) |
4.0 mm |
| Bishop Intl. Airport (233 m, Michigan) |
6.0 mm |
| Capital Region Intl. Airport (266 m, Michigan) |
11.0 mm |
| Casper (1612 m, Wyoming) |
0.5 mm |
| Chattanooga Metropolitan Airport (210 m, Tennessee) |
14.0 mm |
| Cleveland Hopkins Intl. Airport (245 m, Ohio) |
8.0 mm |
| Cold Bay Airport (31 m, Alaska) |
0.3 mm |
| Detroit Metropolitan Airport (202 m, Michigan) |
13.0 mm |
| Dillingham Airport (29 m, Alaska) |
3.0 mm |
| Duluth Airport (432 m, Minnesota) |
0.3 mm |
| Erie Intl. Airport (225 m, Pennsylvania) |
0.3 mm |
| Falls Intl. Airport (362 m, Minnesota) |
4.0 mm |
| Great Falls (1131 m, Montana) |
1.0 mm |
| Greater Binghamton Airport (497 m, New York) |
2.0 mm |
| Greater Rochester Intl. Airport (169 m, New York) |
1.0 mm |
| Green Bay (209 m, Wisconsin) |
14.0 mm |
| John F. Kennedy Intl. Airport (7 m, New York) |
1.0 mm |
| John Glenn Columbus Intl. Airport (258 m, Ohio) |
19.0 mm |
| Kodiak Airport (34 m, Alaska) |
21.0 mm |
| LaGuardia Airport (9 m, New York) |
0.8 mm |
| McGhee Tyson Airport (299 m, Tennessee) |
0.8 mm |
| McGrath Airport (103 m, Alaska) |
0.8 mm |
| Newark Intl. Airport (9 m, New Jersey) |
0.3 mm |
| Nome Airport (6 m, Alaska) |
3.0 mm |
| Philadelphia Intl. Airport (9 m, Pennsylvania) |
0.3 mm |
| Pittsburgh Intl. Airport (373 m, Pennsylvania) |
0.8 mm |
| Port Heiden Airport (29 m, Alaska) |
4.0 mm |
| Richard B. Russell Airport (196 m, Georgia) |
7.0 mm |
| Riverton Airport (1684 m, Wyoming) |
0.3 mm |
| Roscommon (351 m, Michigan) |
9.0 mm |
| Sikorsky Memorial Airport (5 m, Connecticut) |
0.5 mm |
| Syracuse Hancock Intl. Airport (124 m, New York) |
1.0 mm |
| Toledo Express Airport (211 m, Ohio) |
7.0 mm |
| Western Nebraska Regional Airport (1206 m, Nebraska) |
0.5 mm |
| Wilkes-Barre/Scranton Intl. Airport (289 m, Pennsylvania) |
0.3 mm |
| Youngstown (361 m, Ohio) |
6.0 mm |
North - South