| Stations: 1928
|
SLP tendency |
| Abbotsford Airport (58 m, British Columbia) |
- 1.4 |
| Aberdeen Airport (397 m, South Dakota) |
+ 0.3 |
| Abilene Airport (546 m, Texas) |
+ 0.5 |
| Adak (5 m, Alaska) |
- 3.2 |
| Agassiz (15 m, British Columbia) |
- 1.6 |
| Akron- Canton Airport (377 m, Ohio) |
+ 2.1 |
| Albany Airport (89 m, New York) |
+ 1.5 |
| Albuquerque Airport (1618 m, New Mexico) |
+ 0.7 |
| Alert (65 m, Nunavut) |
+ 1.3 |
| Algonquin Provincial Park (410 m, Ontario) |
+ 2.2 |
| Allen Army Airfield (391 m, Alaska) |
+ 0.4 |
| Alpena (211 m, Michigan) |
+ 2.0 |
| Andrew AGDM (860 m, Alberta) |
- 2.0 |
| Aniak Airport (26 m, Alaska) |
+ 1.3 |
| Apalachicola Airport (6 m, Florida) |
- 0.3 |
| Arcata (18 m, California) |
- 0.7 |
| Arctic Bay CS (10 m, Northwest Territories) |
- 0.8 |
| Argentia (15 m, Newfoundland) |
+ 1.5 |
| Armstrong (243 m, Ontario) |
+ 2.2 |
| Armstrong Airport (323 m, Ontario) |
+ 2.7 |
| Arviat (10 m, Nunavut) |
- 1.1 |
| Ashcroft (327 m, British Columbia) |
- 2.9 |
| Asheville Regional Airport (661 m, North Carolina) |
+ 0.8 |
| Assiniboia Airport (726 m, Saskatchewan) |
- 1.6 |
| Astoria Regional Airport (7 m, Oregon) |
- 1.8 |
| Athabasca (635 m, Alberta) |
- 2.5 |
| Athens (247 m, Georgia) |
+ 0.6 |
| Atikokan (389 m, Ontario) |
+ 2.2 |
| Atlanta Airport (315 m, Georgia) |
+ 0.3 |
| Atlantic City Airport (20 m, New Jersey) |
+ 1.5 |
| Augusta Regional Airport (45 m, Georgia) |
+ 2.2 |
| AulvikNationalPark (32 m, Northwest Territories) |
+ 0.7 |
| Austin (189 m, Texas) |
+ 0.8 |
| Baccaro (5 m, New Brunswick) |
- 0.5 |
| Badger (103 m, Newfoundland) |
+ 1.3 |
| Baie Comeau Climate (28 m, Quebec) |
- 1.8 |
| Baie-Comeau (130 m, Quebec) |
- 2.0 |
| Baie-D'Urfé (39 m, Quebec) |
+ 2.6 |
| Baker Lake (51 m, Nunavut) |
- 2.9 |
| Baker Lake Airport (18 m, Nunavut) |
- 3.0 |
| Ballenas Island (13 m, British Columbia) |
- 1.2 |
| Baltimore Airport (47 m, Maryland) |
+ 2.9 |
| Bancroft (331 m, Ontario) |
+ 2.5 |
| Banff (1397 m, Alberta) |
- 0.9 |
| Barkley Regional Airport (126 m, Kentucky) |
+ 0.1 |
| Barrhead (648 m, Alberta) |
- 2.4 |
| Barrie-Oro (289 m, Ontario) |
+ 2.0 |
| Bas Caraquet (5 m, New Brunswick) |
- 1.9 |
| Bathurst Inlet (929 m, Northwest Territories) |
- 0.1 |
| Beartooth Island (238 m, Nunavut) |
- 0.6 |
| Beatrice Climate (297 m, Ontario) |
+ 2.3 |
| Beauceville (229 m, Quebec) |
+ 1.3 |
| Beaven Island (16 m, Nova Scotia) |
- 3.3 |
| Beaver Mines (1257 m, Alberta) |
- 1.0 |
| Beaverlodge (745 m, Alberta) |
- 0.4 |
| Bedford (9 m, Nova Scotia) |
- 2.4 |
| Berens River (222 m, Manitoba) |
- 0.4 |
| Bethel Airport (44 m, Alaska) |
+ 1.9 |
| Bettles Airport (196 m, Alaska) |
+ 1.2 |
| Billings Logan Intl. Airport (1088 m, Montana) |
- 0.8 |
| Bishop Intl. Airport (233 m, Michigan) |
+ 1.2 |
| Bismarck Airport (505 m, North Dakota) |
+ 0.2 |
| Bisset (165 m, Nunavut) |
- 1.7 |
| Blackcombe Mtn Base (659 m, British Columbia) |
- 0.8 |
| Blanc-Sablon Airport (32 m, Quebec) |
+ 0.7 |
| Blosser Airport (452 m, Kansas) |
+ 0.7 |
| Blue Grass Airport (301 m, Kentucky) |
+ 2.3 |
| Blue River (683 m, British Columbia) |
- 1.9 |
| Boise Airport (872 m, Idaho) |
- 1.1 |
| Bonavista (26 m, Newfoundland) |
+ 1.1 |
| Bonilla Island (17 m, British Columbia) |
+ 0.6 |
| Bonnard 1 (498 m, Quebec) |
+ 0.7 |
| Bow Island (817 m, Alberta) |
- 2.3 |
| Bow Valley (1298 m, Alberta) |
- 0.7 |
| Bradley Intl. Airport (55 m, Connecticut) |
+ 2.3 |
| Brandon (409 m, California) |
+ 0.1 |
| Brandon Airport (416 m, Manitoba) |
+ 0.1 |
| Brantford Airport (246 m, California) |
+ 1.9 |
| Bratt'S Lake (580 m, Saskatchewan) |
- 1.8 |
| Brier Island (16 m, Nova Scotia) |
+ 0.2 |
| Broadview AP (600 m, Saskatchewan) |
- 0.9 |
| Brockville (121 m, Ontario) |
+ 1.9 |
| Brooks (747 m, Alberta) |
- 2.7 |
| Brownsville/South Padre (8 m, Texas) |
+ 1.0 |
| Buffalo Narrows Airport (440 m, Saskatchewan) |
- 5.4 |
| Buffalo Niagara Intl. Airport (219 m, New York) |
+ 1.9 |
| Burgeo (11 m, Newfoundland) |
+ 0.2 |
| Burlington Intl. Airport (104 m, Vermont) |
+ 2.3 |
| Burlington Piers (AUT) (77 m, Ontario) |
+ 2.3 |
| Burns Airport (1271 m, Oregon) |
- 0.8 |
| Burns Bog (84 m, British Columbia) |
- 1.0 |
| Burns Lake Campbell Scientific (713 m, British Columbia) |
+ 0.7 |
| CFB Bagotville (159 m, Quebec) |
+ 1.4 |
| Cageri (474 m, Georgia) |
- 1.3 |
| Calgary Int'l Cs (1081 m, California) |
- 1.9 |
| Calgary Intl. Airport (1084 m, Alberta) |
- 2.0 |
| Callaghan Valley (884 m, British Columbia) |
- 0.5 |
| Cambridge Bay (19 m, Nunavut) |
- 1.2 |
| Cambridge Bay Airport (23 m, Nunavut) |
- 1.3 |
| Cameron Falls (AUT) (233 m, Ontario) |
+ 3.0 |
| Campsie (647 m, Alberta) |
- 2.6 |
| Camrose (739 m, Alberta) |
- 2.6 |
| Cap D'Espoir (15 m, Quebec) |
- 2.0 |
| Cap Tourmente National Wildlife Area (6 m, Quebec) |
+ 1.4 |
| Cap-Chat (5 m, Quebec) |
- 1.1 |
| Cape Race (27 m, Newfoundland) |
+ 1.6 |
| Cape St James CS (92 m, British Columbia) |
+ 0.7 |
| Cape Stallworthy (72 m, Alberta) |
- 0.6 |
| Capital Region Intl. Airport (266 m, Michigan) |
+ 2.4 |
| Carberry (384 m, Manitoba) |
+ 0.4 |
| Cardston (1136 m, Alberta) |
- 1.3 |
| Caribou (187 m, Ontario) |
+ 2.0 |
| Caribou Airport (191 m, Maine) |
+ 0.6 |
| Caribou Point (AUT) (2 m, Nova Scotia) |
- 2.8 |
| Carmacks (543 m, Yukon) |
+ 0.7 |
| Carman (268 m, Manitoba) |
+ 0.5 |
| Carvel Radar (783 m, Alberta) |
+ 2.3 |
| Carway Airport (1354 m, Alberta) |
- 1.2 |
| Casper (1612 m, Wyoming) |
- 0.3 |
| Castlegar Airport (495 m, Nova Scotia) |
+ 0.1 |
| Center for Earth Resources Observations (482 m, South Dakota) |
+ 1.1 |
| Central Nebraska Regional Airport (566 m, Nebraska) |
+ 0.1 |
| Chamouchouane (304 m, Quebec) |
+ 1.4 |
| Chapleau Airport (447 m, Ontario) |
+ 2.4 |
| Charleston Intl. Airport (15 m, South Carolina) |
+ 1.9 |
| Charlevoix (Mrc) (719 m, Quebec) |
+ 1.4 |
| Charlo Airport (42 m, New Brunswick) |
- 1.1 |
| Charlotte Douglas Intl. Airport (234 m, North Carolina) |
+ 0.7 |
| Charlottetown Airport (79 m, Prince Edward Island) |
- 2.5 |
| Chattanooga Metropolitan Airport (210 m, Tennessee) |
+ 0.9 |
| Cheyenne Regional Airport (1872 m, Wyoming) |
- 0.2 |
| Chibougameau-Chapais Airport (10 m, Quebec) |
+ 1.5 |
| Chicoutimi (163 m, Quebec) |
+ 1.6 |
| Churchill Climate (29 m, California) |
- 0.8 |
| Claresholm (1012 m, Alberta) |
- 2.2 |
| Clayton Municipal Airpark (1515 m, New Mexico) |
- 0.2 |
| Clearwater (438 m, British Columbia) |
- 2.9 |
| Cleveland Hopkins Intl. Airport (245 m, Ohio) |
+ 1.5 |
| Clinton (1057 m, British Columbia) |
- 1.2 |
| Clyde River (27 m, Nunavut) |
- 0.7 |
| Cobourg (78 m, Ontario) |
+ 2.2 |
| Cold Bay Airport (31 m, Alaska) |
+ 1.2 |
| Cold Lake Airport (541 m, Alberta) |
- 3.4 |
| Collegeville (76 m, Nova Scotia) |
- 2.8 |
| Collins Bay (492 m, Saskatchewan) |
- 5.4 |
| Columbia Metropolitan Airport (69 m, South Carolina) |
+ 1.5 |
| Comox (26 m, British Columbia) |
- 1.0 |
| Concord Airport (105 m, New Hampshire) |
+ 2.2 |
| Coral Harbour Airport (64 m, Nunavut) |
- 0.5 |
| Cormack (75 m, Newfoundland) |
+ 0.7 |
| Corner Brook (152 m, Newfoundland) |
+ 0.7 |
| Coronach (756 m, Saskatchewan) |
- 1.1 |
| Coronation (791 m, Alberta) |
- 2.8 |
| Corpus Christi Intl. Airport (15 m, Texas) |
+ 0.9 |
North - South