North America - Pressure tendency (hPa last 3 hours)
Monday 19 Sep 2016 07:00 BST

Stations: 2423 SLP tendency
Abbotsford Airport (58 m, British Columbia) - 0.4
Aberdeen Airport (397 m, South Dakota) - 1.6
Abilene Airport (546 m, Texas) - 0.2
Adak (5 m, Alaska) - 0.7
Agassiz (15 m, British Columbia) - 0.6
Akron- Canton Airport (377 m, Ohio) - 0.5
Albany Airport (89 m, New York) - 0.3
Albuquerque Airport (1618 m, New Mexico) - 0.8
Alert (65 m, Nunavut) - 0.2
Algonquin Provincial Park (410 m, Ontario) - 0.0
Allen Army Airfield (391 m, Alaska) - 1.4
Alpena (211 m, Michigan) - 0.3
Amqui (166 m, Quebec) - 1.6
Aniak Airport (26 m, Alaska) - 0.0
Apalachicola Airport (6 m, Florida) - 0.9
Arcata (18 m, California) - 0.3
Argentia (15 m, Newfoundland) - 0.4
Armstrong (243 m, Ontario) - 0.1
Armstrong (243 m, Ontario) - 0.2
Armstrong Airport (323 m, Ontario) - 1.1
Arviat (10 m, Nunavut) - 1.1
Arviat (10 m, Nunavut) - 1.1
Asheville Regional Airport (661 m, North Carolina) - 0.6
Assiniboia Airport (726 m, Saskatchewan) - 0.8
Astoria Regional Airport (7 m, Oregon) - 0.0
Athens (247 m, Georgia) - 1.0
Atikokan (389 m, Ontario) - 1.5
Atlanta Airport (315 m, Georgia) - 0.6
Atlantic City Airport (20 m, New Jersey) - 0.9
Attawapiskat First Nation Airport (9 m, Ontario) - 1.1
Augusta Regional Airport (45 m, Georgia) - 1.5
AulvikNationalPark (32 m, Northwest Territories) - 1.0
Austin (189 m, Texas) - 0.6
Baccaro (5 m, New Brunswick) - 0.1
Badger (103 m, Newfoundland) - 2.3
Baie Comeau Climate (28 m, Quebec) - 2.4
Baie-Comeau (130 m, Quebec) - 2.5
Baie-Comeau Airport (22 m, Quebec) - 2.4
Baie-D'Urfé (39 m, Quebec) - 0.0
Baker Lake (51 m, Nunavut) - 0.1
Baker Lake Airport (18 m, Nunavut) - 0.1
Ballenas Island (13 m, British Columbia) - 0.5
Baltimore Airport (47 m, Maryland) - 0.2
Bancroft (331 m, Ontario) - 0.2
Banff (1397 m, Alberta) - 0.5
Barkley Regional Airport (126 m, Kentucky) - 0.6
Barrhead (648 m, Alberta) - 1.3
Barrie-Oro (289 m, Ontario) - 0.3
Bas Caraquet (5 m, New Brunswick) - 1.3
Bathurst Inlet (929 m, Northwest Territories) - 0.1
Beartooth Island (238 m, Nunavut) - 1.0
Beatrice Climate (297 m, Ontario) - 0.2
Beauceville (229 m, Quebec) - 0.4
Beaven Island (16 m, Nova Scotia) - 0.1
Beaver Mines (1257 m, Alberta) - 0.6
Beaverlodge (745 m, Alberta) - 1.0
Bella Bella (43 m, British Columbia) - 0.1
Berens River (222 m, Manitoba) - 0.3
Beresford Airport (59 m, New Brunswick) - 1.7
Bethel Airport (44 m, Alaska) - 0.7
Bettles Airport (196 m, Alaska) - 1.4
Big Trout Lake (222 m, Ontario) - 2.3
Billings Logan Intl. Airport (1088 m, Montana) - 1.0
Bishop Intl. Airport (233 m, Michigan) - 0.0
Bismarck Airport (505 m, North Dakota) - 1.3
Bisset (165 m, Nunavut) - 1.2
Blackcomb Base Sliding Center (937 m, British Columbia) - 0.4
Blackcombe Mtn Base (659 m, British Columbia) - 0.1
Blanc-Sablon Airport (32 m, Quebec) - 1.9
Blosser Airport (452 m, Kansas) - 0.4
Blue Grass Airport (301 m, Kentucky) - 0.3
Blue River (683 m, British Columbia) - 0.8
Boise Airport (872 m, Idaho) - 1.2
Bonavista (26 m, Newfoundland) - 2.2
Bonilla Island (17 m, British Columbia) - 0.8
Bonnard 1 (498 m, Quebec) - 1.0
Bow Valley (1298 m, Alberta) - 0.9
Bradley Intl. Airport (55 m, Connecticut) - 0.8
Brandon (409 m, California) - 0.6
Brandon Airport (416 m, Manitoba) - 0.5
Brantford Airport (246 m, California) - 0.0
Bratt'S Lake (580 m, Saskatchewan) - 0.6
Brier Island (16 m, Nova Scotia) - 0.2
Broadview AP (600 m, Saskatchewan) - 0.8
Brockville (121 m, Ontario) - 0.0
Brooks (747 m, Alberta) - 0.8
Broughton Island (584 m, Nunavut) - 0.4
Brownsville/South Padre (8 m, Texas) - 1.0
Buffalo Narrows Airport (440 m, Saskatchewan) - 1.0
Buffalo Niagara Intl. Airport (219 m, New York) - 0.5
Burgeo (11 m, Newfoundland) - 1.3
Burlington Intl. Airport (104 m, Vermont) - 0.9
Burlington Piers (AUT) (77 m, Ontario) - 0.2
Burns Airport (1271 m, Oregon) - 1.0
Burns Bog (84 m, British Columbia) - 0.0
Burns Lake Campbell Scientific (713 m, British Columbia) - 0.9
Burwash Landing Airport (807 m, Yukon) - 2.0
Buttonville Airport (198 m, Ontario) - 0.2
CFB Bagotville (159 m, Quebec) - 0.7
CFB Borden (224 m, Ontario) - 0.2
CFB Valcartier Airport (168 m, Quebec) - 0.4
Calgary Int'l Cs (1081 m, California) - 1.2
Calgary Intl. Airport (1084 m, Alberta) - 1.2
Callaghan Valley (884 m, British Columbia) - 0.3
Cambridge Bay Airport (23 m, Nunavut) - 1.0
Cameron Falls (AUT) (233 m, Ontario) - 2.3
Campsie (647 m, Alberta) - 1.5
Cap D'Espoir (15 m, Quebec) - 0.6
Cap Tourmente National Wildlife Area (6 m, Quebec) - 0.8
Cap-Chat (5 m, Quebec) - 1.8
Cape Hooper (393 m, Nunavut) - 0.1
Cape Kiglapait (834 m, Newfoundland) - 0.3
Cape Mercy (583 m, Nunavut) - 0.3
Cape Race (27 m, Newfoundland) - 0.4
Cape St James CS (92 m, British Columbia) - 0.3
Cape Stallworthy (72 m, Alberta) - 0.2
Capital Region Intl. Airport (266 m, Michigan) - 0.1
Caribou (187 m, Ontario) - 1.6
Caribou Airport (191 m, Maine) - 1.1
Caribou Point (AUT) (2 m, Nova Scotia) - 0.5
Carmacks (543 m, Yukon) - 2.2
Cartwright Airport (15 m, Newfoundland) - 1.1
Carway Airport (1354 m, Alberta) - 1.3
Casper (1612 m, Wyoming) - 0.5
Castlegar Airport (495 m, Nova Scotia) - 0.1
Cathedral Point (31 m, British Columbia) - 0.4
Central Nebraska Regional Airport (566 m, Nebraska) - 0.2
Chamouchouane (304 m, Quebec) - 0.6
Channel-Port aux Basques (40 m, Newfoundland) - 1.1
Charleston Intl. Airport (15 m, South Carolina) - 0.8
Charlevoix (Mrc) (719 m, Quebec) - 0.5
Charlo Airport (42 m, New Brunswick) - 1.3
Charlotte Douglas Intl. Airport (234 m, North Carolina) - 0.7
Charlottetown Airport (79 m, Prince Edward Island) - 0.7
Chatham-Kent (178 m, Ontario) - 0.1
Chattanooga Metropolitan Airport (210 m, Tennessee) - 0.1
Chevery (8 m, Quebec) - 2.2
Cheyenne Regional Airport (1872 m, Wyoming) - 0.6
Chicoutimi (163 m, Quebec) - 0.7
Churchill Airport (29 m, Manitoba) - 1.5
Churchill Climate (29 m, California) - 1.6
Churchill Falls (440 m, California) - 0.8
Chutes Des Passes (398 m, Quebec) - 1.3
Claresholm (1012 m, Alberta) - 1.0

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2016