| Stations: |
Precipitation |
| Youngstown (361 m, Ohio) |
3.0 mm |
| Annette Island Airport (110 m, Alaska) |
2.0 mm |
| Ronald Reagan Washington National Airport (20 m, Virginia) |
3.0 mm |
| Arviat (10 m, Nunavut) |
0.2 mm |
| Asheville Regional Airport (661 m, North Carolina) |
16.0 mm |
| Athens (247 m, Georgia) |
11.0 mm |
| Atlanta Airport (315 m, Georgia) |
12.0 mm |
| Atlantic City Airport (20 m, New Jersey) |
1.0 mm |
| Badger (103 m, Newfoundland) |
0.2 mm |
| Baker Lake Airport (18 m, Nunavut) |
0.4 mm |
| Baltimore Airport (47 m, Maryland) |
4.0 mm |
| Beartooth Island (238 m, Saskatchewan) |
1.0 mm |
| Raleigh (766 m, West-Virginia) |
5.0 mm |
| Bella Bella (43 m, British Columbia) |
3.0 mm |
| Blanc-Sablon Airport (32 m, Quebec) |
2.0 mm |
| Bonilla Island (17 m, British Columbia) |
0.2 mm |
| Brockville (121 m, Ontario) |
0.2 mm |
| Burgeo (11 m, Newfoundland) |
0.8 mm |
| Cap-Chat (5 m, Quebec) |
3.0 mm |
| Cape St James CS (92 m, British Columbia) |
3.0 mm |
| Cathedral Point (31 m, British Columbia) |
0.6 mm |
| Yeager Airport (299 m, West-Virginia) |
3.0 mm |
| Charlotte Douglas Intl. Airport (234 m, North Carolina) |
5.0 mm |
| Chattanooga Metropolitan Airport (210 m, Tennessee) |
11.0 mm |
| Chevery (8 m, Quebec) |
0.7 mm |
| O’Hare Intl. Airport (205 m, Illinois) |
0.5 mm |
| Columbia Regional Airport (274 m, Missouri) |
0.3 mm |
| Comox (26 m, British Columbia) |
0.4 mm |
| Covington Airport (267 m, Kentucky) |
2.0 mm |
| Dapp (614 m, Alberta) |
2.0 mm |
| Dayton Intl. Airport (306 m, Ohio) |
4.0 mm |
| Deer Lake Airport (29 m, Newfoundland) |
1.0 mm |
| Dubuque Regional Airport (329 m, Iowa) |
0.8 mm |
| Elkins/Randolph Field AP (609 m, West-Virginia) |
3.0 mm |
| Estevan Point lighthouse (7 m, British Columbia) |
0.3 mm |
| Evansville Airport (118 m, Indiana) |
4.0 mm |
| Fort Wayne Intl. Airport (252 m, Indiana) |
0.3 mm |
| John Glenn Columbus Intl. Airport (258 m, Ohio) |
2.0 mm |
| George Island (223 m, Manitoba) |
0.7 mm |
| Gjoa Haven Airport (46 m, Nunavut) |
0.2 mm |
| Goose (49 m, Newfoundland) |
1.0 mm |
| Piedmont Triad Intl. Airport (277 m, North Carolina) |
7.0 mm |
| Greenwood (28 m, Nova Scotia) |
0.2 mm |
| Greenville- Spartanburg Intl. Airport (296 m, South Carolina) |
16.0 mm |
| Grey Islet (8 m, British Columbia) |
3.0 mm |
| Herbert Isl. (17 m, British Columbia) |
3.0 mm |
| Tri-State Airport (255 m, West-Virginia) |
1.0 mm |
| Huntsville Intl. Airport (196 m, Alabama) |
0.5 mm |
| Indianapolis Intl. Airport (246 m, Indiana) |
2.0 mm |
| Inukjuak Airport (26 m, Quebec) |
0.3 mm |
| Kejimkujik 1 (165 m, Nova Scotia) |
0.2 mm |
| Kentville (49 m, Nova Scotia) |
0.2 mm |
| McGhee Tyson Airport (299 m, Tennessee) |
7.0 mm |
| Kodiak Airport (34 m, Alaska) |
1.0 mm |
| Blue Grass Airport (301 m, Kentucky) |
4.0 mm |
| Louisville Intl. Airport (149 m, Kentucky) |
4.0 mm |
| Middle Georgia Regional Airport (110 m, Georgia) |
0.3 mm |
| Memphis Airport (87 m, Tennessee) |
1.0 mm |
| Miami Intl. Airport (4 m, Florida) |
2.0 mm |
| Middleton Island Airport (14 m, Alaska) |
5.0 mm |
| Millertown (230 m, Newfoundland) |
0.2 mm |
| Missoula Montana Airport (972 m, Montana) |
0.3 mm |
| Mobile Regional Airport (67 m, Alabama) |
0.5 mm |
| Quad Cities Intl. Airport (181 m, Illinois) |
1.0 mm |
| Montgomery Regional Airport (62 m, Alabama) |
6.0 mm |
| Nashville Intl. Airport (180 m, Tennessee) |
4.0 mm |
| Norfolk Intl. Airport (9 m, Virginia) |
3.0 mm |
| Cleveland Hopkins Intl. Airport (245 m, Ohio) |
4.0 mm |
| Barkley Regional Airport (126 m, Kentucky) |
3.0 mm |
| Parrsboro (31 m, Nova Scotia) |
4.0 mm |
| Peoria Airport (202 m, Illinois) |
3.0 mm |
| Philadelphia Intl. Airport (9 m, Pennsylvania) |
2.0 mm |
| Phoenix Sky Harbor Intl. Airport (337 m, Arizona) |
0.5 mm |
| Pittsburgh Intl. Airport (373 m, Pennsylvania) |
2.0 mm |
| Port Alberni (76 m, British Columbia) |
2.0 mm |
| Port Hardy Airport (22 m, British Columbia) |
4.0 mm |
| Port-Menier (55 m, Quebec) |
0.2 mm |
| Prince Rupert (35 m, British Columbia) |
0.3 mm |
| Raleigh (134 m, North Carolina) |
2.0 mm |
| Rankin Inlet Airport (29 m, Nunavut) |
5.0 mm |
| Dulles Intl. Airport (98 m, Virginia) |
4.0 mm |
| Richmond Intl. Airport (54 m, Virginia) |
2.0 mm |
| Roanoke Airport (358 m, Virginia) |
6.0 mm |
| Roblin (540 m, Manitoba) |
0.2 mm |
| Rockford Airport (226 m, Illinois) |
2.0 mm |
| Richard B. Russell Airport (196 m, Georgia) |
15.0 mm |
| Rose Spit (7 m, British Columbia) |
1.0 mm |
| Sainte-Madeleine-de-la-Rivière-Madeleine (29 m, Quebec) |
0.2 mm |
| Saint John's AP (135 m, Newfoundland) |
0.4 mm |
| St. Paul AGDM (649 m, Alberta) |
0.6 mm |
| Akron- Canton Airport (377 m, Ohio) |
2.0 mm |
| Sandberg Airport (1379 m, California) |
0.8 mm |
| Sandspit Airport (6 m, British Columbia) |
3.0 mm |
| Sandspit (6 m, British Columbia) |
4.0 mm |
| Sartine Isl (112 m, British Columbia) |
3.0 mm |
| Savanna Agcm (703 m, California) |
0.4 mm |
| Smithers (517 m, British Columbia) |
6.0 mm |
| Smithers Airport (523 m, British Columbia) |
5.0 mm |
| Solander Island (99 m, British Columbia) |
4.0 mm |
| South Bend Intl. Airport (236 m, Indiana) |
0.3 mm |
| Stephenville Intl. Airport (9 m, Newfoundland) |
2.0 mm |
| Stephenville (58 m, California) |
2.0 mm |
| St Johns West (110 m, Newfoundland) |
0.3 mm |
| St. Louis Lambert Intl. Airport (172 m, Missouri) |
0.3 mm |
| Strathmore Agdm (967 m, Alberta) |
0.5 mm |
| Talkeetna Airport (109 m, Alaska) |
0.3 mm |
| Tampa Intl. Airport (3 m, Florida) |
0.5 mm |
| Terra Nova Nat Park CS (107 m, Newfoundland) |
0.6 mm |
| Terrace Airport (217 m, British Columbia) |
2.0 mm |
| Toledo Express Airport (211 m, Ohio) |
3.0 mm |
| Tupelo Regional Airport (110 m, Mississippi) |
3.0 mm |
| Uxbridge (375 m, Ontario) |
0.7 mm |
| Villeneuve Airport (270 m, Alberta) |
0.3 mm |
| Wainwright Cfb Airfield 21 (686 m, Alberta) |
0.2 mm |
| Wallops Flight Facility Airport (12 m, Virginia) |
4.0 mm |
| Wreckhouse (33 m, Newfoundland) |
0.2 mm |
| Yakutat Airport (13 m, Alaska) |
0.3 mm |
| Yarmouth Airport (46 m, Nova Scotia) |
0.8 mm |
| Saint-Pierre (24 m, Saint Pierre and Miquelon) |
0.6 mm |
North - South