| Stations: |
Precipitation |
| Youngstown (361 m, Ohio) |
5.0 mm |
| Aberdeen Airport (397 m, South Dakota) |
2.0 mm |
| Akron- Canton Airport (377 m, Ohio) |
4.0 mm |
| San Luis Valley Regional Airport (2299 m, Colorado) |
1.0 mm |
| Albuquerque Airport (1618 m, New Mexico) |
4.0 mm |
| Algonquin Provincial Park (410 m, Ontario) |
5.0 mm |
| Alpena (211 m, Michigan) |
4.0 mm |
| Ted Stevens Anchorage Intl. Airport (42 m, Alaska) |
2.0 mm |
| Aniak Airport (26 m, Alaska) |
0.3 mm |
| Ronald Reagan Washington National Airport (20 m, Virginia) |
0.3 mm |
| Armstrong Airport (323 m, Ontario) |
3.0 mm |
| Armstrong (243 m, Ontario) |
3.0 mm |
| Asheville Regional Airport (661 m, North Carolina) |
29.0 mm |
| Astoria Regional Airport (7 m, Oregon) |
0.8 mm |
| Athens (247 m, Georgia) |
10.0 mm |
| Atikokan (389 m, Ontario) |
3.0 mm |
| Atlanta Airport (315 m, Georgia) |
28.0 mm |
| Augusta Regional Airport (45 m, Georgia) |
1.0 mm |
| Azure (1143 m, Alberta) |
0.4 mm |
| Badger (103 m, Newfoundland) |
0.2 mm |
| Baie Comeau Climate (28 m, Quebec) |
0.2 mm |
| Ballenas Island (13 m, British Columbia) |
0.2 mm |
| Baltimore Airport (47 m, Maryland) |
0.3 mm |
| Bancroft (331 m, Ontario) |
1.0 mm |
| Barrie-Oro (289 m, Ontario) |
3.0 mm |
| Raleigh (766 m, West-Virginia) |
3.0 mm |
| Bella Bella (43 m, British Columbia) |
4.0 mm |
| Bethel Airport (44 m, Alaska) |
0.3 mm |
| Bonilla Island (17 m, British Columbia) |
7.0 mm |
| Beatrice Climate (297 m, Ontario) |
8.0 mm |
| Brantford Airport (246 m, California) |
6.0 mm |
| Buffalo Niagara Intl. Airport (219 m, New York) |
3.0 mm |
| Buffalo Narrows Airport (440 m, Saskatchewan) |
0.2 mm |
| Buttonville Airport (198 m, Ontario) |
0.8 mm |
| Cameron Falls (AUT) (233 m, Ontario) |
6.0 mm |
| Camrose (739 m, Alberta) |
0.2 mm |
| CFB Borden (224 m, Ontario) |
3.0 mm |
| Caribou (187 m, Ontario) |
6.0 mm |
| Carmacks (543 m, Yukon) |
1.0 mm |
| Carway Airport (1354 m, Alberta) |
0.2 mm |
| Cathedral Point (31 m, British Columbia) |
2.0 mm |
| Yeager Airport (299 m, West-Virginia) |
6.0 mm |
| Charleston Intl. Airport (15 m, South Carolina) |
1.0 mm |
| Charlotte Douglas Intl. Airport (234 m, North Carolina) |
8.0 mm |
| Charlottetown Airport (79 m, Prince Edward Island) |
0.2 mm |
| Chattanooga Metropolitan Airport (210 m, Tennessee) |
37.0 mm |
| O’Hare Intl. Airport (205 m, Illinois) |
0.8 mm |
| Cobourg (78 m, Ontario) |
3.0 mm |
| Cold Bay Airport (31 m, Alaska) |
1.0 mm |
| Collingwood (180 m, Ontario) |
5.0 mm |
| Columbia Metropolitan Airport (69 m, South Carolina) |
3.0 mm |
| Comox (26 m, British Columbia) |
2.0 mm |
| Cormack (75 m, Newfoundland) |
0.4 mm |
| Coronach (756 m, Saskatchewan) |
0.2 mm |
| Coronation (791 m, Alberta) |
0.2 mm |
| Covington Airport (267 m, Kentucky) |
2.0 mm |
| Dapp (614 m, Alberta) |
0.4 mm |
| Dayton Intl. Airport (306 m, Ohio) |
2.0 mm |
| Deer Lake Airport (29 m, Newfoundland) |
0.4 mm |
| Delhi (232 m, Ontario) |
8.0 mm |
| Des Moines Intl. Airport (294 m, Iowa) |
1.0 mm |
| Detroit Metropolitan Airport (202 m, Michigan) |
3.0 mm |
| Dubuque Regional Airport (329 m, Iowa) |
0.8 mm |
| Duluth Airport (432 m, Minnesota) |
10.0 mm |
| Eastend Cypress (1080 m, Saskatchewan) |
0.2 mm |
| Edmonton International CS (715 m, Alberta) |
0.9 mm |
| Edmundston (156 m, New Brunswick) |
2.0 mm |
| Elbow (595 m, Saskatchewan) |
0.2 mm |
| Elkins/Randolph Field AP (609 m, West-Virginia) |
2.0 mm |
| Elora (376 m, Ontario) |
6.0 mm |
| Englehart Airport (243 m, Ontario) |
1.0 mm |
| Erie Intl. Airport (225 m, Pennsylvania) |
1.0 mm |
| Eskasoni 3 (28 m, Nova Scotia) |
0.4 mm |
| Egbert CS (251 m, Ontario) |
3.0 mm |
| Estevan Point lighthouse (7 m, British Columbia) |
0.2 mm |
| Hector Intl. Airport (274 m, North Dakota) |
0.3 mm |
| Flagstaff Airport (2131 m, Arizona) |
3.0 mm |
| Bishop Intl. Airport (233 m, Michigan) |
0.3 mm |
| Fort Frances (342 m, California) |
0.3 mm |
| Fort Simpson Airport (169 m, Northwest Territories) |
1.0 mm |
| Fort McMurray CS (369 m, Alberta) |
0.8 mm |
| Fort Simpson Climate (168 m, Northwest Territories) |
0.4 mm |
| John Glenn Columbus Intl. Airport (258 m, Ohio) |
3.0 mm |
| Center for Earth Resources Observations (482 m, South Dakota) |
1.0 mm |
| Goderich (214 m, Ontario) |
3.0 mm |
| GoreBayClimate (189 m, Ontario) |
13.0 mm |
| Gerald R. Ford Intl. Airport (245 m, Michigan) |
2.0 mm |
| Greater Sudbury (190 m, Ontario) |
4.0 mm |
| Sudbury Airport (348 m, Ontario) |
3.0 mm |
| Green Bay (209 m, Wisconsin) |
1.0 mm |
| Piedmont Triad Intl. Airport (277 m, North Carolina) |
2.0 mm |
| Geraldton AP (349 m, Ontario) |
5.0 mm |
| Greenville- Spartanburg Intl. Airport (296 m, South Carolina) |
12.0 mm |
| Gretna (253 m, Manitoba) |
0.2 mm |
| Grey Islet (8 m, British Columbia) |
4.0 mm |
| Haines Junction (595 m, Yukon) |
0.5 mm |
| Hamilton Airport (238 m, Ontario) |
6.0 mm |
| Hamilton Rbg CS (107 m, Ontario) |
6.0 mm |
| Harrow CDA (AUT) (192 m, Ontario) |
1.0 mm |
| Herbert Isl. (17 m, British Columbia) |
0.2 mm |
| Herschel Island (1 m, Yukon) |
0.2 mm |
| High Falls (195 m, Quebec) |
1.0 mm |
| Roscommon (351 m, Michigan) |
2.0 mm |
| Tri-State Airport (255 m, West-Virginia) |
8.0 mm |
| Huntsville Intl. Airport (196 m, Alabama) |
29.0 mm |
| Huron Airport (393 m, South Dakota) |
0.8 mm |
| Iliamna Airport (49 m, Alaska) |
0.5 mm |
| Indianapolis Intl. Airport (246 m, Indiana) |
0.8 mm |
| Ingonish Beach CS (8 m, Nova Scotia) |
1.0 mm |
| Falls Intl. Airport (362 m, Minnesota) |
0.3 mm |
| Jackson (91 m, Mississippi) |
7.0 mm |
| Juneau Intl. Airport (7 m, Alaska) |
2.0 mm |
| Kapuskasing (227 m, Ontario) |
10.0 mm |
| Kapuskasing (218 m, Ontario) |
4.0 mm |
| Kenora (412 m, Ontario) |
0.2 mm |
| Key Lake (11 m, Saskatchewan) |
0.6 mm |
| Key Lake Airport (514 m, Saskatchewan) |
0.3 mm |
| KindakunRocks (14 m, British Columbia) |
7.0 mm |
| Kindersley Regional Airport (698 m, Saskatchewan) |
0.2 mm |
| Kingston (93 m, Ontario) |
0.5 mm |
| Kirkland Lake (324 m, Ontario) |
3.0 mm |
| Kitscoty (664 m, California) |
0.4 mm |
| McGhee Tyson Airport (299 m, Tennessee) |
30.0 mm |
| Kugluktuk (24 m, Nunavut) |
0.2 mm |
| Kuujjuarapik (30 m, Quebec) |
1.0 mm |
| Lac La Biche (567 m, Alberta) |
0.2 mm |
| La Grande Rivière Airport (195 m, Quebec) |
1.0 mm |
| Lake Charles Airport (5 m, Louisiana) |
0.3 mm |
| Lake Superior Provincial Park (401 m, California) |
10.0 mm |
| Lansdowne House (AUT) (253 m, Ontario) |
0.2 mm |
| Capital Region Intl. Airport (266 m, Michigan) |
0.8 mm |
| LaScie (192 m, Newfoundland) |
0.5 mm |
| Blue Grass Airport (301 m, Kentucky) |
5.0 mm |
| London CS (278 m, Ontario) |
5.0 mm |
| Louisville Intl. Airport (149 m, Kentucky) |
0.3 mm |
| Middle Georgia Regional Airport (110 m, Georgia) |
0.3 mm |
| Dane County Regional Airport (264 m, Wisconsin) |
0.5 mm |
| Maniwaki Airport (201 m, Quebec) |
2.0 mm |
| Matagami Airport (280 m, Quebec) |
1.0 mm |
| Memphis Airport (87 m, Tennessee) |
0.5 mm |
| Meridian Regional Airport (94 m, Mississippi) |
38.0 mm |
| Middleton Island Airport (14 m, Alaska) |
8.0 mm |
| Mildred Lake (310 m, Alberta) |
0.4 mm |
| Milford Municipal (1536 m, Utah) |
0.5 mm |
| Millertown (230 m, Newfoundland) |
0.5 mm |
| Milwaukee Mitchell Intl. Airport (211 m, Wisconsin) |
1.0 mm |
| Mobile Regional Airport (67 m, Alabama) |
0.3 mm |
| Quad Cities Intl. Airport (181 m, Illinois) |
1.0 mm |
| Mono (436 m, Ontario) |
4.0 mm |
| Montgomery Regional Airport (62 m, Alabama) |
34.0 mm |
| Moose Jaw (577 m, Saskatchewan) |
0.2 mm |
| Moosonee (9 m, Ontario) |
5.0 mm |
| Morrin AGDM (836 m, Alberta) |
0.5 mm |
| Mount Forest (415 m, Ontario) |
5.0 mm |
| Muskegon (193 m, Michigan) |
5.0 mm |
| Nagagami (AUT) (264 m, Ontario) |
11.0 mm |
| Nashville Intl. Airport (180 m, Tennessee) |
0.8 mm |
| New Orleans Airport (9 m, Louisiana) |
2.0 mm |
| North Bay (370 m, Ontario) |
2.0 mm |
| Cleveland Hopkins Intl. Airport (245 m, Ohio) |
2.0 mm |
| Ogoki Post Airport (181 m, Ontario) |
0.3 mm |
| Ootsa Lakeskins Lak (861 m, British Columbia) |
2.0 mm |
| Oshawa (140 m, Ontario) |
5.0 mm |
| Barkley Regional Airport (126 m, Kentucky) |
0.3 mm |
| Parry Sound (176 m, Ontario) |
3.0 mm |
| Pembroke (161 m, Ontario) |
2.0 mm |
| Peoria Airport (202 m, Illinois) |
1.0 mm |
| Petawawa Heliport (130 m, Ontario) |
2.0 mm |
| Peterborough (191 m, Ontario) |
2.0 mm |
| Peterborough Trent (216 m, Ontario) |
0.5 mm |
| Philadelphia Intl. Airport (9 m, Pennsylvania) |
0.3 mm |
| Pickle Lake (391 m, Ontario) |
0.2 mm |
| Pittsburgh Intl. Airport (373 m, Pennsylvania) |
8.0 mm |
| Pocatello Regional Airport (1365 m, Idaho) |
0.5 mm |
| Point Petre (79 m, Ontario) |
0.6 mm |
| Port Weller (79 m, Ontario) |
1.0 mm |
| Prince Rupert (35 m, British Columbia) |
7.0 mm |
| Pukaskwa (AUT) (208 m, Ontario) |
5.0 mm |
| Queenstown (941 m, Alberta) |
0.5 mm |
| Quillayute Airport (55 m, Washington) |
0.5 mm |
| Raleigh (134 m, North Carolina) |
0.5 mm |
| Rapid City Airport (965 m, South Dakota) |
0.5 mm |
| Rea Point (15 m, Nunavut) |
0.3 mm |
| Regina (577 m, Saskatchewan) |
0.2 mm |
| Dulles Intl. Airport (98 m, Virginia) |
0.5 mm |
| Richmond Intl. Airport (54 m, Virginia) |
1.0 mm |
| Ridgetown (206 m, Ontario) |
7.0 mm |
| Roanoke Airport (358 m, Virginia) |
3.0 mm |
| Greater Rochester Intl. Airport (169 m, New York) |
1.0 mm |
| Rochester Intl. Airport (402 m, Minnesota) |
1.0 mm |
| Rockford Airport (226 m, Illinois) |
3.0 mm |
| Richard B. Russell Airport (196 m, Georgia) |
33.0 mm |
| Rosetown East (586 m, Saskatchewan) |
0.2 mm |
| Rouyn-Noranda (318 m, Quebec) |
4.0 mm |
| Sainte-Clotilde (53 m, Quebec) |
0.6 mm |
| Abbotsford Airport (58 m, British Columbia) |
0.2 mm |
| Sandspit Airport (6 m, British Columbia) |
0.5 mm |
| Sandspit (6 m, British Columbia) |
0.5 mm |
| Sanikiluaq (146 m, Quebec) |
0.7 mm |
| Sarnia Chris Hadfield Airport (181 m, Ontario) |
4.0 mm |
| Sarnia Climate (181 m, Ontario) |
4.0 mm |
| Sartine Isl (112 m, British Columbia) |
0.2 mm |
| Saturna/capmon Cs (178 m, British Columbia) |
0.2 mm |
| Sault Ste Marie (192 m, Ontario) |
7.0 mm |
| Savannah/Hilton Head Intl. Airport (15 m, Georgia) |
0.3 mm |
| Slave Lake (583 m, Alberta) |
0.2 mm |
| Smithers Airport (523 m, British Columbia) |
0.8 mm |
| Solander Island (99 m, British Columbia) |
0.6 mm |
| South Bend Intl. Airport (236 m, Indiana) |
0.3 mm |
| Stephenville Intl. Airport (9 m, Newfoundland) |
0.4 mm |
| Stephenville (58 m, California) |
0.3 mm |
| Stony Plain Airport (766 m, Alberta) |
0.2 mm |
| Sydney Airport (72 m, Nova Scotia) |
3.0 mm |
| Tatlayoko Lake RCS (875 m, British Columbia) |
0.2 mm |
| Teepee Creek (670 m, California) |
0.4 mm |
| Barrage Temiscamingue (181 m, Quebec) |
7.0 mm |
| Terrace Airport (217 m, British Columbia) |
1.0 mm |
| Thunder Bay (199 m, Ontario) |
13.0 mm |
| Thunder Bay (199 m, Ontario) |
2.0 mm |
| Timmins (294 m, Ontario) |
6.0 mm |
| Tobermory (214 m, Ontario) |
13.0 mm |
| Toledo Express Airport (211 m, Ohio) |
3.0 mm |
| Toronto (113 m, Ontario) |
5.0 mm |
| Toronto/Pearson AP (173 m, Ontario) |
5.0 mm |
| Toronto Islands Airport (77 m, Ontario) |
5.0 mm |
| Trenton Airport (85 m, Ontario) |
0.8 mm |
| Tucson Intl. Airport (779 m, Arizona) |
9.0 mm |
| Tupelo Regional Airport (110 m, Mississippi) |
2.0 mm |
| Twillingate (AUT) (92 m, Newfoundland) |
0.6 mm |
| Upsala (489 m, Ontario) |
5.0 mm |
| Uxbridge (375 m, Ontario) |
3.0 mm |
| Val-d'Or (345 m, Quebec) |
2.0 mm |
| Miller Field Airport (792 m, Nebraska) |
0.3 mm |
| Vegreville (639 m, Alberta) |
0.2 mm |
| Victoria (IAP) (19 m, British Columbia) |
0.2 mm |
| Vineland Station RCS (79 m, Ontario) |
2.0 mm |
| Violet Grove (903 m, Alberta) |
0.8 mm |
| Waseca (640 m, California) |
0.2 mm |
| Waterloo Regional Airport (268 m, Iowa) |
9.0 mm |
| Waterloo Well AP (315 m, Ontario) |
3.0 mm |
| Welland Pelham (178 m, Ontario) |
6.0 mm |
| Palm Beach Intl. Airport (6 m, Florida) |
1.0 mm |
| White Rock Campbell Scientific (13 m, British Columbia) |
0.6 mm |
| Wiarton Airport (223 m, Ontario) |
10.0 mm |
| Williamsport Regional Airport (160 m, Pennsylvania) |
0.5 mm |
| Wilmington Intl. Airport (10 m, North Carolina) |
2.0 mm |
| Windsor Airport (190 m, Ontario) |
3.0 mm |
| Winslow- Lindbergh Regional Airport (1488 m, Arizona) |
0.3 mm |
| Wreckhouse (33 m, Newfoundland) |
0.5 mm |
| Yakutat Airport (13 m, Alaska) |
7.0 mm |
| Saint-Pierre (24 m, Saint Pierre and Miquelon) |
0.4 mm |
North - South