North America - Pressure tendency (hPa last 3 hours)
Wednesday 28 Sep 2016 07:00 BST

Stations: 2434 SLP tendency
Abbotsford Airport (58 m, British Columbia) - 0.3
Aberdeen Airport (397 m, South Dakota) - 2.5
Abilene Airport (546 m, Texas) - 0.5
Adak (5 m, Alaska) - 1.0
Agassiz (15 m, British Columbia) - 0.5
Akron- Canton Airport (377 m, Ohio) - 0.0
Albany Airport (89 m, New York) - 1.8
Albuquerque Airport (1618 m, New Mexico) - 0.7
Alert (65 m, Nunavut) - 0.0
Algonquin Provincial Park (410 m, Ontario) - 1.6
Allen Army Airfield (391 m, Alaska) - 1.4
Alpena (211 m, Michigan) - 1.4
Amqui (166 m, Quebec) - 1.7
Aniak Airport (26 m, Alaska) - 0.3
Apalachicola Airport (6 m, Florida) - 0.4
Arcata (18 m, California) - 0.3
Arctic Bay CS (10 m, Northwest Territories) - 2.1
Argentia (15 m, Newfoundland) - 3.4
Armstrong (243 m, Ontario) - 0.2
Armstrong (243 m, Ontario) - 1.9
Armstrong Airport (323 m, Ontario) - 2.7
Arviat (10 m, Nunavut) - 1.8
Arviat (10 m, Nunavut) - 1.8
Asheville Regional Airport (661 m, North Carolina) - 0.0
Assiniboia Airport (726 m, Saskatchewan) - 2.7
Astoria Regional Airport (7 m, Oregon) - 0.2
Athens (247 m, Georgia) - 0.3
Atikokan (389 m, Ontario) - 2.3
Atlanta Airport (315 m, Georgia) - 0.6
Atlantic City Airport (20 m, New Jersey) - 0.9
Attawapiskat First Nation Airport (9 m, Ontario) - 1.4
Augusta Regional Airport (45 m, Georgia) - 0.5
AulvikNationalPark (32 m, Northwest Territories) - 1.3
Austin (189 m, Texas) - 0.1
Baccaro (5 m, New Brunswick) - 2.4
Badger (103 m, Newfoundland) - 2.4
Baie Comeau Climate (28 m, Quebec) - 2.2
Baie-Comeau (130 m, Quebec) - 2.1
Baie-Comeau Airport (22 m, Quebec) - 2.2
Baie-D'Urfé (39 m, Quebec) - 2.1
Baker Lake (51 m, Nunavut) - 2.1
Baker Lake Airport (18 m, Nunavut) - 2.3
Ballenas Island (13 m, British Columbia) - 0.1
Baltimore Airport (47 m, Maryland) - 0.4
Bancroft (331 m, Ontario) - 1.3
Banff (1397 m, Alberta) - 1.0
Barkley Regional Airport (126 m, Kentucky) - 0.2
Barrhead (648 m, Alberta) - 2.2
Barrie-Oro (289 m, Ontario) - 1.2
Bas Caraquet (5 m, New Brunswick) - 1.4
Bathurst Inlet (929 m, Northwest Territories) - 3.4
Beartooth Island (238 m, Nunavut) - 0.3
Beauceville (229 m, Quebec) - 1.8
Beaven Island (16 m, Nova Scotia) - 2.0
Beaver Mines (1257 m, Alberta) - 0.8
Beaverlodge (745 m, Alberta) - 1.2
Bella Bella (43 m, British Columbia) - 0.4
Berens River (222 m, Manitoba) - 1.9
Beresford Airport (59 m, New Brunswick) - 1.0
Bethel Airport (44 m, Alaska) - 0.0
Bettles Airport (196 m, Alaska) - 0.1
Big Trout Lake (222 m, Ontario) - 1.8
Big Trout Lake (222 m, Ontario) - 1.8
Billings Logan Intl. Airport (1088 m, Montana) - 1.6
Bishop Intl. Airport (233 m, Michigan) - 0.3
Bismarck Airport (505 m, North Dakota) - 2.2
Bisset (165 m, Nunavut) - 3.1
Blackcomb Base Sliding Center (937 m, British Columbia) - 0.2
Blackcombe Mtn Base (659 m, British Columbia) - 0.4
Blanc-Sablon Airport (32 m, Quebec) - 1.9
Blosser Airport (452 m, Kansas) - 1.0
Blue Grass Airport (301 m, Kentucky) - 0.3
Blue River (683 m, British Columbia) - 1.4
Boise Airport (872 m, Idaho) - 0.4
Bonavista (26 m, Newfoundland) - 2.9
Bonnard 1 (498 m, Quebec) - 1.5
Bow Valley (1298 m, Alberta) - 1.0
Bradley Intl. Airport (55 m, Connecticut) - 1.6
Brandon (409 m, California) - 2.0
Brandon Airport (416 m, Manitoba) - 2.0
Brantford Airport (246 m, California) - 0.7
Bratt'S Lake (580 m, Saskatchewan) - 3.6
Brier Island (16 m, Nova Scotia) - 1.3
Broadview AP (600 m, Saskatchewan) - 2.1
Brockville (121 m, Ontario) - 1.5
Brooks (747 m, Alberta) - 1.9
Broughton Island (584 m, Nunavut) - 0.2
Brownsville/South Padre (8 m, Texas) - 0.1
Buffalo Narrows Airport (440 m, Saskatchewan) - 2.1
Buffalo Niagara Intl. Airport (219 m, New York) - 0.5
Burgeo (11 m, Newfoundland) - 2.2
Burlington Intl. Airport (104 m, Vermont) - 1.8
Burlington Piers (AUT) (77 m, Ontario) - 0.7
Burns Airport (1271 m, Oregon) - 0.6
Burns Bog (84 m, British Columbia) - 0.1
Burns Lake Campbell Scientific (713 m, British Columbia) - 0.8
Burwash Landing Airport (807 m, Yukon) - 1.6
Buttonville Airport (198 m, Ontario) - 1.2
CFB Bagotville (159 m, Quebec) - 2.0
CFB Borden (224 m, Ontario) - 1.3
CFB Valcartier Airport (168 m, Quebec) - 1.6
Calgary Int'l Cs (1081 m, California) - 1.6
Calgary Intl. Airport (1084 m, Alberta) - 1.5
Callaghan Valley (884 m, British Columbia) - 0.2
Cambridge Bay Airport (23 m, Nunavut) - 4.6
Cameron Falls (AUT) (233 m, Ontario) - 2.8
Campsie (647 m, Alberta) - 2.0
Cap D'Espoir (15 m, Quebec) - 1.6
Cap Tourmente National Wildlife Area (6 m, Quebec) - 1.6
Cap-Chat (5 m, Quebec) - 2.1
Cape Hooper (393 m, Nunavut) - 0.2
Cape Kiglapait (834 m, Newfoundland) - 1.5
Cape Mercy (583 m, Nunavut) - 0.3
Cape Race (27 m, Newfoundland) - 3.6
Cape St James CS (92 m, British Columbia) - 0.6
Cape Stallworthy (72 m, Alberta) - 0.2
Capital Region Intl. Airport (266 m, Michigan) - 0.1
Caribou (187 m, Ontario) - 2.8
Caribou Airport (191 m, Maine) - 2.4
Caribou Point (AUT) (2 m, Nova Scotia) - 1.6
Carmacks (543 m, Yukon) - 1.4
Cartwright Airport (15 m, Newfoundland) - 1.1
Carway Airport (1354 m, Alberta) - 1.2
Casper (1612 m, Wyoming) - 1.6
Castlegar Airport (495 m, Nova Scotia) - 1.7
Cathedral Point (31 m, British Columbia) - 0.2
Central Nebraska Regional Airport (566 m, Nebraska) - 1.5
Chamouchouane (304 m, Quebec) - 2.3
Channel-Port aux Basques (40 m, Newfoundland) - 1.6
Charleston Intl. Airport (15 m, South Carolina) - 0.1
Charlevoix (Mrc) (719 m, Quebec) - 1.5
Charlo Airport (42 m, New Brunswick) - 1.2
Charlotte Douglas Intl. Airport (234 m, North Carolina) - 0.4
Charlottetown Airport (79 m, Prince Edward Island) - 1.0
Chatham-Kent (178 m, Ontario) - 0.1
Chattanooga Metropolitan Airport (210 m, Tennessee) - 0.2
Cheyenne Regional Airport (1872 m, Wyoming) - 1.0
Chicoutimi (163 m, Quebec) - 2.2
Churchill Airport (29 m, Manitoba) - 0.7
Churchill Climate (29 m, California) - 0.8
Churchill Falls (440 m, California) - 1.3
Chutes Des Passes (398 m, Quebec) - 1.2
Claresholm (1012 m, Alberta) - 1.3

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2016