| Stations: |
Precipitation |
| Aberdeen Airport (397 m, South Dakota) |
2.1 mm |
| Adak (5 m, Alaska) |
0.3 mm |
| Agassiz (15 m, British Columbia) |
1.1 mm |
| Akron- Canton Airport (377 m, Ohio) |
2.0 mm |
| Albuquerque Airport (1618 m, New Mexico) |
3.0 mm |
| Algonquin Provincial Park (410 m, Ontario) |
0.8 mm |
| Alpena (211 m, Michigan) |
4.0 mm |
| Armstrong (243 m, Ontario) |
0.7 mm |
| Armstrong (243 m, Ontario) |
0.5 mm |
| Astoria Regional Airport (7 m, Oregon) |
13.3 mm |
| Atikokan (389 m, Ontario) |
3.0 mm |
| Baie-D'Urfé (39 m, Quebec) |
0.6 mm |
| Baltimore Airport (47 m, Maryland) |
0.6 mm |
| Bancroft (331 m, Ontario) |
0.7 mm |
| Barkley Regional Airport (126 m, Kentucky) |
2.3 mm |
| Barrage Temiscamingue (181 m, Quebec) |
0.4 mm |
| Barrie-Oro (289 m, Ontario) |
2.0 mm |
| Beatrice Climate (297 m, Ontario) |
1.0 mm |
| Beauport (10 m, Quebec) |
0.2 mm |
| Bella Bella (43 m, British Columbia) |
1.0 mm |
| Royal Island (329 m, Ontario) |
1.0 mm |
| Big Trout Lake (222 m, Ontario) |
0.7 mm |
| Big Trout Lake (222 m, Ontario) |
1.1 mm |
| Bishop Intl. Airport (233 m, Michigan) |
5.3 mm |
| Bismarck Airport (505 m, North Dakota) |
5.3 mm |
| Blackcombe Mtn Base (659 m, British Columbia) |
1.1 mm |
| Blosser Airport (452 m, Kansas) |
15.0 mm |
| Blue River (683 m, British Columbia) |
0.1 mm |
| Bonilla Island (17 m, British Columbia) |
3.4 mm |
| Brocket AGDM (1073 m, Alberta) |
2.0 mm |
| Buffalo Niagara Intl. Airport (219 m, New York) |
2.8 mm |
| Burns Bog (84 m, British Columbia) |
0.4 mm |
| Callaghan Valley (884 m, British Columbia) |
2.0 mm |
| Cameron Falls (AUT) (233 m, Ontario) |
0.6 mm |
| Cape Stallworthy (72 m, Alberta) |
0.9 mm |
| Capital Region Intl. Airport (266 m, Michigan) |
4.0 mm |
| Caribou (187 m, Ontario) |
5.0 mm |
| Carman (268 m, Manitoba) |
0.5 mm |
| Carvel Radar (783 m, Alberta) |
0.4 mm |
| Central Nebraska Regional Airport (566 m, Nebraska) |
0.5 mm |
| Chapais (381 m, Quebec) |
0.6 mm |
| Cheyenne Regional Airport (1872 m, Wyoming) |
9.0 mm |
| O’Hare Intl. Airport (205 m, Illinois) |
1.3 mm |
| Clearwater (438 m, British Columbia) |
0.5 mm |
| Cleveland Hopkins Intl. Airport (245 m, Ohio) |
0.3 mm |
| Cold Bay Airport (31 m, Alaska) |
6.3 mm |
| Columbia Metropolitan Airport (69 m, South Carolina) |
0.5 mm |
| Columbia Regional Airport (274 m, Missouri) |
0.3 mm |
| Beartooth Island (238 m, Saskatchewan) |
0.5 mm |
| Cormack (75 m, Newfoundland) |
0.3 mm |
| Craig (1915 m, Colorado) |
4.3 mm |
| Creston Campbell Scientific (646 m, British Columbia) |
0.3 mm |
| Crowsnest (1303 m, Alberta) |
0.4 mm |
| Deerwood Rcs (341 m, Manitoba) |
0.3 mm |
| Denver Intl. Airport (1656 m, Colorado) |
42.0 mm |
| Des Moines Intl. Airport (294 m, Iowa) |
15.0 mm |
| Detroit Metropolitan Airport (202 m, Michigan) |
7.0 mm |
| Dillingham Airport (29 m, Alaska) |
1.3 mm |
| Dryden Airport (413 m, Ontario) |
0.2 mm |
| Duluth Airport (432 m, Minnesota) |
5.3 mm |
| Eastern Sierra Regional Airport (1263 m, California) |
0.3 mm |
| Egbert CS (251 m, Ontario) |
1.0 mm |
| Elkins/Randolph Field AP (609 m, West-Virginia) |
2.0 mm |
| Elora (376 m, Ontario) |
0.2 mm |
| Ely Airport (1909 m, Nevada) |
2.0 mm |
| Emerson (242 m, Manitoba) |
0.5 mm |
| Englehart Airport (243 m, Ontario) |
0.5 mm |
| Erie Intl. Airport (225 m, Pennsylvania) |
7.0 mm |
| Esquimalt (3 m, British Columbia) |
0.4 mm |
| Estevan Point lighthouse (7 m, British Columbia) |
1.8 mm |
| Etzikom (845 m, California) |
0.5 mm |
| Falls Intl. Airport (362 m, Minnesota) |
10.0 mm |
| Fanny Island (8 m, British Columbia) |
0.2 mm |
| Fincastle Agdm (833 m, Alberta) |
0.4 mm |
| Flagstaff Airport (2131 m, Arizona) |
12.0 mm |
| Flagstaff/Belemont (2181 m, Arizona) |
2.0 mm |
| Fort Frances (342 m, California) |
5.0 mm |
| Fort Ross (10 m, Nunavut) |
0.3 mm |
| Fort St. James (691 m, British Columbia) |
0.7 mm |
| Fort Wayne Intl. Airport (252 m, Indiana) |
8.0 mm |
| Fresno Yosemite Intl. Airport (100 m, California) |
0.3 mm |
| Gerald R. Ford Intl. Airport (245 m, Michigan) |
3.3 mm |
| Geraldton AP (349 m, Ontario) |
0.7 mm |
| Gimli (230 m, Manitoba) |
0.7 mm |
| Goodland Airport (1124 m, Kansas) |
8.0 mm |
| Grand Junction Regional Airport (1472 m, Colorado) |
4.8 mm |
| Great Falls (1131 m, Montana) |
3.8 mm |
| Great Falls Climate (253 m, California) |
1.5 mm |
| Greater Binghamton Airport (497 m, New York) |
2.3 mm |
| Greater Rochester Intl. Airport (169 m, New York) |
2.5 mm |
| Greater Sudbury (190 m, Ontario) |
1.0 mm |
| Green Bay (209 m, Wisconsin) |
6.0 mm |
| Grenadier Island (82 m, Ontario) |
0.8 mm |
| Gretna (253 m, Manitoba) |
2.0 mm |
| Grey Islet (8 m, British Columbia) |
0.4 mm |
| Harrow CDA (AUT) (192 m, Ontario) |
4.0 mm |
| Harry Reid Intl. Airport (664 m, Nevada) |
0.3 mm |
| Hector Intl. Airport (274 m, North Dakota) |
4.0 mm |
| Helena Regional Airport (1188 m, Montana) |
1.0 mm |
| Hilo Intl. Airport (10 m, Hawaii) |
13.0 mm |
| Holman CS (30 m, Northwest Territories) |
0.9 mm |
| Hope (39 m, British Columbia) |
2.0 mm |
| Hope Aerodrome (39 m, British Columbia) |
2.0 mm |
| Huron Airport (393 m, South Dakota) |
4.0 mm |
| Indianapolis Intl. Airport (246 m, Indiana) |
0.6 mm |
| Inukjuak (25 m, Quebec) |
0.8 mm |
| Inukjuak Airport (26 m, Quebec) |
0.9 mm |
| Kansas City Intl. Airport (313 m, Missouri) |
5.0 mm |
| Katatota Island (AUT) (261 m, Ontario) |
0.7 mm |
| Kenora (412 m, Ontario) |
1.0 mm |
| Kinngait (50 m, Nunavut) |
0.4 mm |
| Kirkland Lake (324 m, Ontario) |
2.0 mm |
| Kleefeld (246 m, Manitoba) |
3.2 mm |
| Kodiak Airport (34 m, Alaska) |
15.0 mm |
| Lihue Airport (32 m, Hawaii) |
3.0 mm |
| L'Acadie (44 m, Quebec) |
0.2 mm |
| Lake Superior Provincial Park (401 m, California) |
5.0 mm |
| St. Louis Lambert Intl. Airport (172 m, Missouri) |
18.0 mm |
| Langara Island (41 m, British Columbia) |
0.1 mm |
| Lansdowne House (AUT) (253 m, Ontario) |
0.4 mm |
| Leader Airport (676 m, Saskatchewan) |
0.8 mm |
| Lewiston Airport (438 m, Idaho) |
0.3 mm |
| Lincoln Airport (362 m, Nebraska) |
7.0 mm |
| Lindburg Landing (183 m, Northwest Territories) |
1.1 mm |
| London CS (278 m, Ontario) |
0.5 mm |
| Dane County Regional Airport (264 m, Wisconsin) |
0.3 mm |
| Malahat (366 m, British Columbia) |
5.2 mm |
| Masinasin (947 m, Alberta) |
0.5 mm |
| McNary Field Airport (61 m, Oregon) |
1.1 mm |
| Medford Airport (397 m, Oregon) |
3.0 mm |
| Memphis Airport (87 m, Tennessee) |
10.0 mm |
| Mercury/Desert Rock (1006 m, Nevada) |
17.0 mm |
| Milk River (1050 m, Alberta) |
0.6 mm |
| Miller Field Airport (792 m, Nebraska) |
1.0 mm |
| Milwaukee Mitchell Intl. Airport (211 m, Wisconsin) |
1.0 mm |
| Minneapolis (255 m, Minnesota) |
6.3 mm |
| Mono (436 m, Ontario) |
1.0 mm |
| Moosonee (9 m, Ontario) |
2.7 mm |
| Moosonee (9 m, Ontario) |
2.8 mm |
| Morden (298 m, Manitoba) |
0.3 mm |
| Muskegon (193 m, Michigan) |
2.0 mm |
| District (281 m, Ontario) |
1.0 mm |
| Nagagami (AUT) (264 m, Ontario) |
1.6 mm |
| Nakusp (512 m, British Columbia) |
1.1 mm |
| Nelson (535 m, British Columbia) |
3.0 mm |
| North Bay (370 m, Ontario) |
0.7 mm |
| Ogoki Post Airport (181 m, Ontario) |
0.5 mm |
| Olympia Regional Airport (61 m, Washington) |
1.8 mm |
| Omaha/Eppley Field AP (299 m, Nebraska) |
5.0 mm |
| Ootsa Lakeskins Lak (861 m, British Columbia) |
0.6 mm |
| Oshawa (140 m, Ontario) |
0.2 mm |
| Osoyoos (283 m, British Columbia) |
2.0 mm |
| Ottawa CDA RCS (79 m, Ontario) |
0.1 mm |
| Page Airport (1304 m, Arizona) |
15.1 mm |
| PamRocks (5 m, British Columbia) |
1.6 mm |
| ParcNationalDesPingualuit (503 m, Quebec) |
1.5 mm |
| Parent (445 m, Quebec) |
0.8 mm |
| Peawanuck (AUT) (52 m, Ontario) |
1.1 mm |
| Pekisko (1415 m, California) |
0.9 mm |
| Pemberton Airport (204 m, British Columbia) |
0.5 mm |
| Peoria Airport (202 m, Illinois) |
2.0 mm |
| Peterborough (191 m, Ontario) |
0.8 mm |
| Pickle Lake (391 m, Ontario) |
1.1 mm |
| Pickle Lake Airport (391 m, Ontario) |
1.0 mm |
| Pilot Mound (475 m, Manitoba) |
0.3 mm |
| Pinawa (268 m, Manitoba) |
2.2 mm |
| Pitt Meadows Campbell Scientific (5 m, British Columbia) |
3.0 mm |
| Pittsburgh Intl. Airport (373 m, Pennsylvania) |
1.8 mm |
| Pocatello Regional Airport (1365 m, Idaho) |
7.8 mm |
| Point Atkinson (14 m, British Columbia) |
0.7 mm |
| Point Petre (79 m, Ontario) |
0.6 mm |
| Port Mellon (128 m, British Columbia) |
6.4 mm |
| Port Weller (79 m, Ontario) |
0.1 mm |
| Portland Airport (12 m, Oregon) |
1.3 mm |
| Powell River (125 m, British Columbia) |
2.1 mm |
| Pueblo Memorial Airport (1439 m, Colorado) |
23.0 mm |
| Pukaskwa (AUT) (208 m, Ontario) |
2.5 mm |
| Quillayute Airport (55 m, Washington) |
12.8 mm |
| Rapid City Airport (965 m, South Dakota) |
0.8 mm |
| Rawson Lake (305 m, Ontario) |
4.0 mm |
| Revelstoke Airport (445 m, California) |
0.2 mm |
| Riverton Airport (1684 m, Wyoming) |
6.0 mm |
| Rochester Intl. Airport (402 m, Minnesota) |
3.8 mm |
| Rockford Airport (226 m, Illinois) |
0.8 mm |
| Rocky Harbour (68 m, Newfoundland) |
0.5 mm |
| Rocky Mountain House Airport (988 m, Alberta) |
0.5 mm |
| Rolling Hills AGCM (645 m, Alberta) |
0.4 mm |
| Ronald Reagan Washington National Airport (20 m, Virginia) |
0.8 mm |
| Roscommon (351 m, Michigan) |
2.5 mm |
| Rouyn-Noranda (318 m, Quebec) |
0.8 mm |
| Saint-michel-des-saints (430 m, California) |
0.5 mm |
| Salluit (228 m, Quebec) |
0.7 mm |
| Salmon Arm (351 m, British Columbia) |
2.0 mm |
| Salt Lake City Intl. Airport (1288 m, Utah) |
10.0 mm |
| San Luis Valley Regional Airport (2299 m, Colorado) |
0.8 mm |
| Sandberg Airport (1379 m, California) |
0.3 mm |
| Sandy Lake (289 m, Ontario) |
1.0 mm |
| Sartine Isl (112 m, British Columbia) |
1.4 mm |
| Saturna Island (24 m, British Columbia) |
0.4 mm |
| Saturna/capmon Cs (178 m, British Columbia) |
0.2 mm |
| Seattle (137 m, Washington) |
2.1 mm |
| Sechelt (86 m, British Columbia) |
0.8 mm |
| Sioux Falls Regional Airport (435 m, South Dakota) |
7.0 mm |
| Sioux Gateway Airport (336 m, Iowa) |
2.0 mm |
| Smithers (517 m, British Columbia) |
0.2 mm |
| Smithers Airport (523 m, British Columbia) |
0.5 mm |
| Solander Island (99 m, British Columbia) |
1.6 mm |
| South Bend Intl. Airport (236 m, Indiana) |
5.0 mm |
| Sprague (329 m, Manitoba) |
0.3 mm |
| Squamish Airport (52 m, British Columbia) |
1.3 mm |
| Stockton Metropolitan Airport (8 m, California) |
0.8 mm |
| Syracuse Hancock Intl. Airport (124 m, New York) |
3.0 mm |
| The Forks, Winnipeg (230 m, Manitoba) |
0.3 mm |
| Thunder Bay (199 m, Ontario) |
0.2 mm |
| Thunder Bay (199 m, Ontario) |
0.3 mm |
| Timmins (294 m, Ontario) |
0.4 mm |
| Toledo Express Airport (211 m, Ohio) |
7.8 mm |
| Toronto (113 m, Ontario) |
0.1 mm |
| Toronto Islands Airport (77 m, Ontario) |
0.2 mm |
| Upper Stewiacke Rcs (24 m, Nova Scotia) |
1.0 mm |
| Upsala (489 m, Ontario) |
4.1 mm |
| Uranium City (321 m, Saskatchewan) |
0.7 mm |
| Uxbridge (375 m, Ontario) |
1.6 mm |
| Vancouver Hrbour (2 m, British Columbia) |
1.1 mm |
| Vernon (482 m, British Columbia) |
1.0 mm |
| Victoria Gonzales (70 m, British Columbia) |
0.6 mm |
| Victoria Uni. Campbell Scientific (49 m, British Columbia) |
0.2 mm |
| Villeneuve Airport (270 m, Alberta) |
0.2 mm |
| Vineland Station RCS (79 m, Ontario) |
0.2 mm |
| Dulles Intl. Airport (98 m, Virginia) |
4.0 mm |
| Waterloo Regional Airport (268 m, Iowa) |
44.0 mm |
| Welcome Island (AUT) (209 m, Ontario) |
0.8 mm |
| West Vancouver (178 m, British Columbia) |
2.8 mm |
| Western Nebraska Regional Airport (1206 m, Nebraska) |
0.8 mm |
| White Rock Campbell Scientific (13 m, British Columbia) |
1.4 mm |
| Wichita Dwight D. Eisenhower National Airport (409 m, Kansas) |
8.0 mm |
| Williamsport Regional Airport (160 m, Pennsylvania) |
1.0 mm |
| Windsor Airport (190 m, Ontario) |
0.8 mm |
| Winnemucca Airport (1322 m, Nevada) |
2.0 mm |
| Winnipeg A Cs (239 m, Manitoba) |
0.2 mm |
| Winslow- Lindbergh Regional Airport (1488 m, Arizona) |
0.3 mm |
| Wrentham AGDM (944 m, Alberta) |
0.5 mm |
| Youngstown (361 m, Ohio) |
2.8 mm |
North - South