| Stations: |
Precipitation |
| Akron- Canton Airport (377 m, Ohio) |
18.0 mm |
| Armstrong (243 m, Ontario) |
1.0 mm |
| Bella Bella (43 m, British Columbia) |
5.0 mm |
| Berens River (222 m, Manitoba) |
0.4 mm |
| Bishop Intl. Airport (233 m, Michigan) |
4.0 mm |
| Bonilla Island (17 m, British Columbia) |
0.2 mm |
| Capital Region Intl. Airport (266 m, Michigan) |
6.0 mm |
| Chevery (8 m, Quebec) |
0.3 mm |
| O’Hare Intl. Airport (205 m, Illinois) |
4.0 mm |
| Clayton Municipal Airpark (1515 m, New Mexico) |
11.0 mm |
| Cleveland Hopkins Intl. Airport (245 m, Ohio) |
9.0 mm |
| Clyde River (27 m, Nunavut) |
0.6 mm |
| Columbia Regional Airport (274 m, Missouri) |
29.0 mm |
| Beartooth Island (238 m, Saskatchewan) |
0.1 mm |
| Cumshewa (17 m, British Columbia) |
0.2 mm |
| Dallas Fort Worth Intl. Airport (182 m, Texas) |
13.0 mm |
| Dayton Intl. Airport (306 m, Ohio) |
9.0 mm |
| Denver Intl. Airport (1656 m, Colorado) |
1.0 mm |
| Des Moines Intl. Airport (294 m, Iowa) |
0.5 mm |
| Detroit Metropolitan Airport (202 m, Michigan) |
5.0 mm |
| Dubuque Regional Airport (329 m, Iowa) |
2.0 mm |
| Eareckson Air Station (31 m, Alaska) |
2.0 mm |
| Erie Intl. Airport (225 m, Pennsylvania) |
2.0 mm |
| Fisher Branch (253 m, Manitoba) |
0.2 mm |
| Flagstaff Airport (2131 m, Arizona) |
0.5 mm |
| Fort Wayne Intl. Airport (252 m, Indiana) |
21.0 mm |
| George Island (223 m, Manitoba) |
4.0 mm |
| Gerald R. Ford Intl. Airport (245 m, Michigan) |
5.0 mm |
| Harrow CDA (AUT) (192 m, Ontario) |
2.0 mm |
| Herschel Island (1 m, Yukon) |
0.4 mm |
| Hilo Intl. Airport (10 m, Hawaii) |
6.0 mm |
| Huron Airport (393 m, South Dakota) |
3.0 mm |
| Indianapolis Intl. Airport (246 m, Indiana) |
26.0 mm |
| John Glenn Columbus Intl. Airport (258 m, Ohio) |
1.0 mm |
| Junction Airport (522 m, Texas) |
10.0 mm |
| Juneau Intl. Airport (7 m, Alaska) |
2.0 mm |
| Kansas City Intl. Airport (313 m, Missouri) |
0.3 mm |
| Lac Eon (589 m, Quebec) |
0.4 mm |
| St. Louis Lambert Intl. Airport (172 m, Missouri) |
39.0 mm |
| Langara Island (41 m, British Columbia) |
0.8 mm |
| Lynn Lake (354 m, Manitoba) |
2.0 mm |
| Mackenzie Airport (695 m, British Columbia) |
0.2 mm |
| Dane County Regional Airport (264 m, Wisconsin) |
0.8 mm |
| Milwaukee Mitchell Intl. Airport (211 m, Wisconsin) |
12.0 mm |
| Muskegon (193 m, Michigan) |
5.0 mm |
| Paulatuk (6 m, Northwest Territories) |
0.2 mm |
| Peoria Airport (202 m, Illinois) |
11.0 mm |
| Pittsburgh Intl. Airport (373 m, Pennsylvania) |
6.0 mm |
| Point Pelee CS (177 m, Ontario) |
1.0 mm |
| Pond Inlet (55 m, Nunavut) |
0.3 mm |
| Pond Inlet Airport (55 m, Nunavut) |
0.2 mm |
| Port Hardy Airport (22 m, British Columbia) |
0.5 mm |
| Prince Rupert (35 m, British Columbia) |
4.0 mm |
| Pueblo Memorial Airport (1439 m, Colorado) |
0.5 mm |
| Quad Cities Intl. Airport (181 m, Illinois) |
5.0 mm |
| Raleigh (766 m, West-Virginia) |
7.0 mm |
| Richmond Intl. Airport (54 m, Virginia) |
3.0 mm |
| Rick Husband Amarillo Intl. Airport (1094 m, Texas) |
0.5 mm |
| Roanoke Airport (358 m, Virginia) |
5.0 mm |
| Rockford Airport (226 m, Illinois) |
0.8 mm |
| San Antonio Intl. Airport (242 m, Texas) |
4.0 mm |
| Sandspit (6 m, British Columbia) |
0.8 mm |
| Sandspit Airport (6 m, British Columbia) |
0.7 mm |
| Sartine Isl (112 m, British Columbia) |
8.0 mm |
| Solander Island (99 m, British Columbia) |
0.2 mm |
| South Bend Intl. Airport (236 m, Indiana) |
0.8 mm |
| Springfield- Branson National Airport (390 m, Missouri) |
13.0 mm |
| St Johns West (110 m, Newfoundland) |
0.2 mm |
| Ted Stevens Anchorage Intl. Airport (42 m, Alaska) |
4.0 mm |
| Teslin (705 m, Yukon) |
0.3 mm |
| Toledo Express Airport (211 m, Ohio) |
12.0 mm |
| Tucson Intl. Airport (779 m, Arizona) |
19.0 mm |
| Tulsa Airport (195 m, Oklahoma) |
25.0 mm |
| Twillingate (AUT) (92 m, Newfoundland) |
0.3 mm |
| Waco Regional Airport (155 m, Texas) |
5.0 mm |
| Wallops Flight Facility Airport (12 m, Virginia) |
0.8 mm |
| Dulles Intl. Airport (98 m, Virginia) |
0.3 mm |
| Wichita Falls Regional Airport (314 m, Texas) |
6.0 mm |
| Will Rogers World Airport (398 m, Oklahoma) |
25.0 mm |
| Youngstown (361 m, Ohio) |
8.0 mm |
North - South