North America - Pressure tendency (hPa last 3 hours)
Saturday 31 Jul 2021 18:00 NZST

Stations: 2688 SLP tendency
Nome Airport (6 m, Alaska) - 2.2
Cold Bay Airport (31 m, Alaska) - 0.4
Ralph Wien Memorial Airport (5 m, Alaska) - 1.9
Bethel Airport (44 m, Alaska) - 1.8
Aniak Airport (26 m, Alaska) - 1.5
Lihue Airport (32 m, Hawaii) + 1.5
Port Heiden Airport (29 m, Alaska) - 0.3
Dillingham Airport (29 m, Alaska) - 0.8
Daniel K. Inouye Intl. Airport (5 m, Hawaii) + 1.8
King Salmon Airport (14 m, Alaska) - 0.6
Kahului Airport (20 m, Hawaii) + 2.0
Hilo Intl. Airport (10 m, Hawaii) + 1.0
Kodiak Airport (34 m, Alaska) - 0.7
Bettles Airport (196 m, Alaska) - 0.6
Talkeetna Airport (109 m, Alaska) - 0.1
Ted Stevens Anchorage Intl. Airport (42 m, Alaska) - 0.3
Fairbanks Intl. Airport (135 m, Alaska) - 0.5
Middleton Island Airport (14 m, Alaska) - 0.4
Allen Army Airfield (391 m, Alaska) - 0.5
Gulkana Airport (481 m, Alaska) + 0.0
Fort Yukon Airport (135 m, Alaska) + 0.1
Margaret Lake (568 m, Yukon) - 0.1
Komakuk Beach (13 m, Yukon) - 0.8
Ivvavik National Park (244 m, Yukon) - 0.4
Yakutat Airport (13 m, Alaska) + 0.1
Dawson Y. T. AP (370 m, Yukon) + 0.8
Burwash Landing Airport (807 m, Yukon) + 1.1
Herschel Island (1 m, Yukon) + 0.1
Haines Junction (595 m, Yukon) + 0.7
Shingle Point AP (49 m, Yukon) + 0.3
Rock River (731 m, Yukon) + 0.3
Carmacks (543 m, Yukon) + 1.2
Mayo Airport (504 m, Yukon) + 0.5
Pelly (17 m, Northwest Territories) + 0.5
Whitehorse (707 m, California) + 1.0
Erik Nielsen Whitehorse Intl. Airport (706 m, Yukon) + 1.0
Juneau Intl. Airport (7 m, Alaska) + 0.2
Storm Hills (261 m, Northwest Territories) + 0.7
Inuvik Climate (103 m, Northwest Territories) + 0.3
Trail Valley (85 m, Northwest Territories) + 0.5
Faro Airport (716 m, Yukon) + 1.0
Langara Island (41 m, British Columbia) + 0.1
Tuktoyaktuk (5 m, Northwest Territories) - 0.1
KindakunRocks (14 m, British Columbia) - 0.2
Teslin (705 m, Yukon) + 0.8
Sandspit Airport (6 m, British Columbia) + 0.2
Sandspit (6 m, British Columbia) + 0.2
Liverpool Bay (102 m, Northwest Territories) + 0.3
Grey Islet (8 m, British Columbia) + 0.3
Bonilla Island (17 m, British Columbia) + 0.2
Prince Rupert (35 m, British Columbia) + 0.2
Holland Rock (5 m, British Columbia) + 0.2
Saint Albans (63 m, Northwest Territories) + 0.6
Macmillan Pass (1379 m, Yukon) + 0.5
Dease Lake Airport (803 m, British Columbia) + 1.2
Dease Lake (816 m, British Columbia) + 1.2
Sartine Isl (112 m, British Columbia) + 0.0
Fort Good Hope (82 m, Northwest Territories) + 0.5
Terrace Airport (217 m, British Columbia) + 1.2
Bella Bella (43 m, British Columbia) - 0.1
Solander Island (99 m, British Columbia) + 0.3
Herbert Isl. (17 m, British Columbia) - 0.1
Cathedral Point (31 m, British Columbia) + 0.5
Port Hardy Airport (22 m, British Columbia) + 0.6
Smithers (517 m, British Columbia) + 1.0
Smithers Airport (523 m, British Columbia) + 1.0
Norman Wells (78 m, Northwest Territories) + 0.1
Norman Wells Climat (93 m, Northwest Territories) + 0.1
Estevan Point lighthouse (7 m, British Columbia) - 0.1
Fanny Island (8 m, British Columbia) + 1.9
Ootsa Lakeskins Lak (861 m, British Columbia) + 0.6
Burns Lake Campbell Scientific (713 m, British Columbia) + 0.6
Sachs Harbour (88 m, Northwest Territories) + 0.6
Comox (26 m, British Columbia) + 0.5
Port Alberni (76 m, British Columbia) + 1.3
Cape Parry AP (14 m, Northwest Territories) + 0.1
Quillayute Airport (55 m, Washington) + 0.7
Powell River (125 m, British Columbia) + 0.4
Deadman Valley (283 m, Northwest Territories) + 1.0
Sisters Island (20 m, British Columbia) + 0.3
Tatlayoko Lake RCS (875 m, British Columbia) + 1.4
Qualicum AP (58 m, British Columbia) + 0.5
Fort St. James (691 m, British Columbia) + 0.5
Arcata (18 m, California) + 0.5
Puntzi Mountain (910 m, British Columbia) + 1.3
Paulatuk (6 m, Northwest Territories) + 1.0
Sheringham (21 m, British Columbia) + 0.7
Astoria Regional Airport (7 m, Oregon) + 0.6
Entrance Isl. (5 m, British Columbia) + 0.2
Yohin (204 m, Northwest Territories) + 0.7
North Cowichan (60 m, British Columbia) + 0.9
Sechelt (86 m, British Columbia) + 0.5
Malahat (366 m, British Columbia) + 0.4
Port Mellon (128 m, British Columbia) + 0.6
Fort Liard (213 m, Northwest Territories) + 0.8
Victoria (IAP) (19 m, British Columbia) + 0.7
Délı̨nę (213 m, Northwest Territories) + 0.1
Victoria Gonzales (70 m, British Columbia) + 0.5
Victoria Uni. Campbell Scientific (49 m, British Columbia) + 0.4
PamRocks (5 m, British Columbia) + 0.5
Discovery Island (15 m, California) + 0.5
Eugene Airport (114 m, Oregon) + 1.2
Vancouver Sea Island Ccg (2 m, California) + 0.7
West Vancouver (178 m, British Columbia) + 0.8
Slave Lake (583 m, Alberta) + 1.1
Vancouver Airport (4 m, British Columbia) + 0.8
Squamish Airport (52 m, British Columbia) + 1.5
Mackenzie Airport (695 m, British Columbia) + 0.7
Saturna/capmon Cs (178 m, British Columbia) + 0.6
Mackenzie (690 m, British Columbia) + 0.7
Callaghan Valley (884 m, British Columbia) + 1.0
Saturna Island (24 m, British Columbia) + 0.6
Burns Bog (84 m, British Columbia) + 1.0
McNary Field Airport (61 m, Oregon) + 1.5
Blackcombe Mtn Base (659 m, British Columbia) + 1.5
Olympia Regional Airport (61 m, Washington) + 1.2
Medford Airport (397 m, Oregon) - 0.5
Lindburg Landing (183 m, Northwest Territories) + 0.3
White Rock Campbell Scientific (13 m, British Columbia) + 0.7
Pemberton Airport (204 m, British Columbia) + 2.5
Pitt Meadows Campbell Scientific (5 m, British Columbia) + 1.2
Prince George Airport (691 m, British Columbia) + 0.1
Prince George Airport (680 m, California) + 0.2
Portland Airport (12 m, Oregon) + 1.6
Fort Nelson Airport (389 m, British Columbia) + 0.4
Fort Nelson (380 m, British Columbia) + 0.5
Quesnal (545 m, British Columbia) + 1.0
Quesnel Airport Auto (545 m, California) + 0.8
San Francisco Intl. Airport (5 m, California) + 1.3
Abbotsford Airport (58 m, British Columbia) + 1.2
Tuktut Nogait (552 m, Northwest Territories) + 0.3
Seattle (137 m, Washington) + 0.7
Redding Airport (153 m, California) + 1.8
Red Bluff Airport (108 m, California) + 1.7
Williams Lake Airport (942 m, British Columbia) + 0.8
Lillooet (235 m, British Columbia) + 2.4
Agassiz (15 m, British Columbia) + 1.4
Keats Point (330 m, Northwest Territories) + 0.1
Lytton (225 m, British Columbia) + 2.1
Lytton (225 m, British Columbia) + 2.1
Clinton (1057 m, British Columbia) + 1.1
Hope (39 m, British Columbia) + 1.9
Hope Aerodrome (39 m, British Columbia) + 2.0
Ashcroft (327 m, British Columbia) + 2.4
Stockton Metropolitan Airport (8 m, California) + 1.5
Fort Simpson Airport (169 m, Northwest Territories) + 0.3
Fort Simpson Climate (168 m, Northwest Territories) + 0.1
Sambaa K'e (498 m, Northwest Territories) + 0.2
Fort St. John AP (695 m, British Columbia) + 0.4
Yakima Airport (325 m, Washington) + 1.0
Princeton (700 m, British Columbia) + 2.1
Kamloops (345 m, British Columbia) + 1.8
Kamloops Airport (345 m, British Columbia) + 1.8
Santa Maria Public Airport (73 m, California) + 0.5
Dawson Creek Airport (655 m, British Columbia) + 0.9
Clearwater (438 m, British Columbia) + 1.6
Reno (1341 m, Nevada) + 1.0
Fresno Yosemite Intl. Airport (100 m, California) + 1.5
Summerland (454 m, British Columbia) + 1.4
Penticton Airport (344 m, British Columbia) + 1.5
Thomsen River (42 m, Northwest Territories) - 0.7
Osoyoos (283 m, British Columbia) + 1.7
Kelowna Ubco (456 m, California) + 1.6
Beaverlodge (745 m, Alberta) + 0.6
Kelowna Intl. Airport (456 m, British Columbia) + 1.7
Prince Patrick (2 m, Northwest Territories) + 0.1
Blue River (683 m, British Columbia) + 2.0
Vernon (482 m, British Columbia) + 1.5
Salmon Arm (351 m, British Columbia) + 1.7
Croker Rvr (69 m, Northwest Territories) - 1.9
Meadows Field Airport (150 m, California) + 2.6
Burns Airport (1271 m, Oregon) + 1.3

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2021