| Stations: |
Precipitation |
| Rocky Harbour (68 m, Newfoundland) |
0.1 mm |
| Thunder Bay (199 m, Ontario) |
0.1 mm |
| Dryden Airport (413 m, Ontario) |
0.2 mm |
| Ear Falls (355 m, Ontario) |
0.2 mm |
| Trail Valley (85 m, Northwest Territories) |
0.2 mm |
| Baie-D'Urfé (39 m, Quebec) |
0.2 mm |
| Summerside (21 m, Prince Edward Island) |
0.2 mm |
| Anadyr Airport (61 m, Russian Feder.) |
0.2 mm |
| Rawson Lake (305 m, Ontario) |
0.2 mm |
| Cambridge Bay Airport (23 m, Nunavut) |
0.2 mm |
| Schefferville (517 m, Quebec) |
0.2 mm |
| Middleton Island Airport (14 m, Alaska) |
0.3 mm |
| Williamsport Regional Airport (160 m, Pennsylvania) |
0.3 mm |
| Ronald Reagan Washington National Airport (20 m, Virginia) |
0.3 mm |
| Casper (1612 m, Wyoming) |
0.3 mm |
| Ely Airport (1909 m, Nevada) |
0.3 mm |
| Salt Lake City Intl. Airport (1288 m, Utah) |
0.3 mm |
| Hector Intl. Airport (274 m, North Dakota) |
0.3 mm |
| Dulles Intl. Airport (98 m, Virginia) |
0.3 mm |
| La Grande-4 Airport (306 m, Quebec) |
0.3 mm |
| Newark Intl. Airport (9 m, New Jersey) |
0.3 mm |
| Riviere Aux Feuille (171 m, Quebec) |
0.4 mm |
| Salluit (228 m, Quebec) |
0.5 mm |
| Bismarck Airport (505 m, North Dakota) |
0.5 mm |
| Santa Maria Public Airport (73 m, California) |
0.5 mm |
| Winnemucca Airport (1322 m, Nevada) |
0.5 mm |
| Redding Airport (153 m, California) |
0.5 mm |
| John F. Kennedy Intl. Airport (7 m, New York) |
0.5 mm |
| George Island (223 m, Manitoba) |
0.5 mm |
| Tri-State Airport (255 m, West-Virginia) |
0.5 mm |
| Havre-Saint-Pierre (37 m, Quebec) |
0.5 mm |
| Longue Pointe De Mingan (11 m, Quebec) |
0.7 mm |
| Rapid City Airport (965 m, South Dakota) |
0.8 mm |
| Harry Reid Intl. Airport (664 m, Nevada) |
0.8 mm |
| Raleigh (766 m, West-Virginia) |
0.8 mm |
| San Francisco Intl. Airport (5 m, California) |
0.8 mm |
| Aniak Airport (26 m, Alaska) |
0.8 mm |
| Evansville Airport (118 m, Indiana) |
0.8 mm |
| Ted Stevens Anchorage Intl. Airport (42 m, Alaska) |
1.0 mm |
| LaGuardia Airport (9 m, New York) |
1.0 mm |
| Philadelphia Intl. Airport (9 m, Pennsylvania) |
1.0 mm |
| Kodiak Airport (34 m, Alaska) |
1.0 mm |
| San Diego Intl. Airport (9 m, California) |
1.0 mm |
| Trenton Airport (85 m, Ontario) |
1.0 mm |
| Wilkes-Barre/Scranton Intl. Airport (289 m, Pennsylvania) |
1.0 mm |
| Dillingham Airport (29 m, Alaska) |
2.0 mm |
| Lac Eon (589 m, Quebec) |
2.0 mm |
| Atlantic City Airport (20 m, New Jersey) |
2.0 mm |
| Baltimore Airport (47 m, Maryland) |
2.0 mm |
| Los Angeles Intl. Airport (30 m, California) |
3.0 mm |
| Long Beach Airport (12 m, California) |
3.0 mm |
| Bethel Airport (44 m, Alaska) |
3.0 mm |
| Talkeetna Airport (109 m, Alaska) |
3.0 mm |
| Reno (1341 m, Nevada) |
3.0 mm |
| Kuujjuarapik (30 m, Quebec) |
3.0 mm |
| King Salmon Airport (14 m, Alaska) |
5.0 mm |
| Blue Grass Airport (301 m, Kentucky) |
6.0 mm |
| Louisville Intl. Airport (149 m, Kentucky) |
7.0 mm |
| Milford Municipal (1536 m, Utah) |
7.0 mm |
| Western Nebraska Regional Airport (1206 m, Nebraska) |
7.0 mm |
| Kingman Airport (1033 m, Arizona) |
8.0 mm |
| Elkins/Randolph Field AP (609 m, West-Virginia) |
10.0 mm |
| Sandberg Airport (1379 m, California) |
10.0 mm |
North - South