| Stations: |
Precipitation |
| Adak (5 m, Alaska) |
0.3 mm |
| Akron- Canton Airport (377 m, Ohio) |
2.0 mm |
| Anadyr Airport (61 m, Russian Feder.) |
0.8 mm |
| Apalachicola Airport (6 m, Florida) |
1.0 mm |
| Asheville Regional Airport (661 m, North Carolina) |
1.0 mm |
| Astoria Regional Airport (7 m, Oregon) |
2.0 mm |
| Athens (247 m, Georgia) |
2.0 mm |
| Atlanta Airport (315 m, Georgia) |
6.0 mm |
| Augusta Regional Airport (45 m, Georgia) |
4.0 mm |
| Baltimore Airport (47 m, Maryland) |
0.8 mm |
| Bathurst Inlet (929 m, Northwest Territories) |
0.2 mm |
| Blue Grass Airport (301 m, Kentucky) |
3.0 mm |
| Boise Airport (872 m, Idaho) |
0.3 mm |
| Bow Valley (1298 m, Alberta) |
0.2 mm |
| Buoy 42043 MARITIME (0 m, Indiana) |
5.0 mm |
| Buoy 42046 MARITIME (0 m, Indiana) |
3.0 mm |
| Charleston Intl. Airport (15 m, South Carolina) |
59.0 mm |
| Charlotte Douglas Intl. Airport (234 m, North Carolina) |
9.0 mm |
| Chattanooga Metropolitan Airport (210 m, Tennessee) |
2.0 mm |
| Churchill Airport (29 m, Manitoba) |
0.1 mm |
| Churchill Climate (29 m, California) |
0.1 mm |
| Cleveland Hopkins Intl. Airport (245 m, Ohio) |
1.0 mm |
| Clyde AP (27 m, Nunavut) |
1.0 mm |
| Cold Bay Airport (31 m, Alaska) |
0.5 mm |
| Columbia Metropolitan Airport (69 m, South Carolina) |
8.0 mm |
| Comox (26 m, British Columbia) |
0.8 mm |
| Coral Harbour Airport (64 m, Nunavut) |
0.2 mm |
| Cormack (75 m, Newfoundland) |
0.2 mm |
| Covington Airport (267 m, Kentucky) |
3.0 mm |
| Cranbrook Airport (930 m, British Columbia) |
0.1 mm |
| Dawson Y. T. AP (370 m, Yukon) |
0.2 mm |
| Dayton Intl. Airport (306 m, Ohio) |
0.3 mm |
| Elkins/Randolph Field AP (609 m, West-Virginia) |
0.5 mm |
| Eugene Airport (114 m, Oregon) |
3.0 mm |
| Fanny Island (8 m, British Columbia) |
0.2 mm |
| Grande Prairie Airport (669 m, Alberta) |
0.2 mm |
| Greenville- Spartanburg Intl. Airport (296 m, South Carolina) |
4.0 mm |
| Hilo Intl. Airport (10 m, Hawaii) |
3.0 mm |
| Iqaluit (34 m, Nunavut) |
2.0 mm |
| Jacksonville Intl. Airport (11 m, Florida) |
7.0 mm |
| John Glenn Columbus Intl. Airport (258 m, Ohio) |
3.0 mm |
| Kuujjuaq Airport (44 m, Quebec) |
0.8 mm |
| Lehigh Valley Intl. Airport (117 m, Pennsylvania) |
0.3 mm |
| Lewiston Airport (438 m, Idaho) |
1.0 mm |
| Louisville Intl. Airport (149 m, Kentucky) |
0.8 mm |
| McNary Field Airport (61 m, Oregon) |
2.0 mm |
| Meadows Field Airport (150 m, California) |
0.5 mm |
| Medford Airport (397 m, Oregon) |
9.0 mm |
| Middle Georgia Regional Airport (110 m, Georgia) |
24.0 mm |
| Montgomery Regional Airport (62 m, Alabama) |
1.0 mm |
| Arcata (18 m, California) |
12.0 mm |
| Nashville Intl. Airport (180 m, Tennessee) |
2.0 mm |
| Nelson (535 m, British Columbia) |
1.0 mm |
| Norfolk Intl. Airport (9 m, Virginia) |
0.3 mm |
| ParcNationalDesPingualuit (503 m, Quebec) |
0.2 mm |
| Philadelphia Intl. Airport (9 m, Pennsylvania) |
0.8 mm |
| Piedmont Triad Intl. Airport (277 m, North Carolina) |
12.0 mm |
| Pittsburgh Intl. Airport (373 m, Pennsylvania) |
3.0 mm |
| Pocatello Regional Airport (1365 m, Idaho) |
13.0 mm |
| Portland Airport (12 m, Oregon) |
0.5 mm |
| Raleigh (134 m, North Carolina) |
13.0 mm |
| Red Bluff Airport (108 m, California) |
0.8 mm |
| Redding Airport (153 m, California) |
6.0 mm |
| Reno (1341 m, Nevada) |
6.0 mm |
| Richmond Intl. Airport (54 m, Virginia) |
8.0 mm |
| Riviere Aux Feuille (171 m, Quebec) |
0.2 mm |
| Roanoke Airport (358 m, Virginia) |
2.0 mm |
| Ronald Reagan Washington National Airport (20 m, Virginia) |
1.0 mm |
| San Francisco Intl. Airport (5 m, California) |
19.0 mm |
| Sandberg Airport (1379 m, California) |
4.0 mm |
| Santa Maria Public Airport (73 m, California) |
9.0 mm |
| Seattle (137 m, Washington) |
0.3 mm |
| Sheridan Airport (1209 m, Wyoming) |
0.3 mm |
| Spokane Airport (721 m, Washington) |
1.0 mm |
| Stockton Metropolitan Airport (8 m, California) |
2.0 mm |
| Tadoule Lake CS (262 m, Manitoba) |
0.8 mm |
| Tri-State Airport (255 m, West-Virginia) |
2.0 mm |
| Twillingate (AUT) (92 m, Newfoundland) |
0.3 mm |
| Wallops Flight Facility Airport (12 m, Virginia) |
0.8 mm |
| Warfield (567 m, British Columbia) |
2.0 mm |
| Dulles Intl. Airport (98 m, Virginia) |
3.0 mm |
| Williamsport Regional Airport (160 m, Pennsylvania) |
3.0 mm |
| Wilmington Intl. Airport (10 m, North Carolina) |
10.0 mm |
| Yeager Airport (299 m, West-Virginia) |
0.8 mm |
| Youngstown (361 m, Ohio) |
2.0 mm |
North - South