Observed Sea Level Pressure Differences
Time is given in UTC
Oregon and Washington
22 December 2025
HR OTH-SEA AST-SEA HQM-SEA UIL-BLI OLM-BLI SEA-YKM
00|076 038 3.8|043 038 .5|039 038 .1| 017 |040 017 2.3|038 064 -2.6
01|082 042 4.0|045 042 .3|040 042 -.2| 024 |041 024 1.7|042 062 -2.0
02|087 045 4.2|052 045 .7|044 045 -.1| 027 |047 027 2.0|045 061 -1.6
03|097 054 4.3|056 054 .2|050 054 -.4| 032 |054 032 2.2|054 065 -1.1
04|100 061 3.9|061 061 .0|059 061 -.2| 041 |059 041 1.8|061 064 -.3
05|107 067 4.0|070 067 .3|064 067 -.3| 051 |068 051 1.7|067 068 -.1
06|113 074 3.9|072 074 -.2|071 074 -.3| 059 |074 059 1.5|074 076 -.2
07|121 080 4.1|078 080 -.2|076 080 -.4| 070 |080 070 1.0|080 082 -.2
08|120 085 3.5|082 085 -.3|077 085 -.8| 073 |083 073 1.0|085 087 -.2
09|125 091 3.4|087 091 -.4|085 091 -.6| 081 |091 081 1.0|091 096 -.5
10|132 103 2.9|092 103 -1.1|089 103 -1.4| 091 |098 091 .7|103 109 -.6
11|132 102 3.0|094 102 -.8|092 102 -1.0| 093 |100 093 .7|102 114 -1.2
12|132 105 2.7|093 105 -1.2|090 105 -1.5| 090 |103 090 1.3|105 118 -1.3
13|132 105 2.7|093 105 -1.2|090 105 -1.5| 090 |103 090 1.3|105 118 -1.3
HR OTH-SEA AST-SEA HQM-SEA UIL-BLI OLM-BLI SEA-YKM
Columbia Gorge
22 December 2025
HR AST-PDX PDX-TTD TTD-DLS DLS-HRI
00|043 053 -1.0|053 055 -.2|055 064 -.9|064 061 .3
01|045 056 -1.1|056 058 -.2|058 060 -.2|060 058 .2
02|052 063 -1.1|063 062 .1|062 066 -.4|066 054 1.2
03|056 066 -1.0|066 067 -.1|067 064 .3|064 057 .7
04|061 078 -1.7|078 077 .1|077 073 .4|073 058 1.5
05|070 082 -1.2|082 081 .1|081 077 .4|077 072 .5
06|072 088 -1.6|088 090 -.2|090 086 .4|086 082 .4
07|078 097 -1.9|097 096 .1|096 092 .4|092 082 1.0
08|082 099 -1.7|099 099 .0|099 097 .2|097 091 .6
09|087 106 -1.9|106 106 .0|106 106 .0|106 099 .7
10|092 113 -2.1|113 115 -.2|115 114 .1|114 111 .3
11|094 116 -2.2|116 116 .0|116 118 -.2|118 114 .4
12|093 116 -2.3|116 117 -.1|117 122 -.5|122 123 -.1
13|093 116 -2.3|116 117 -.1|117 122 -.5|122 123 -.1
HR AST-PDX PDX-TTD TTD-DLS DLS-HRI
SW British Columbia
22 December 2025
HR BLI-YZT BLI-YQQ BLI-YHE BLI-YKA OMK-YKA
00|017 972 4.5|017 987 3.0|017 007 1.0|017 994 2.3|062 994 6.8
01|024 978 4.6|024 989 3.5|024 005 1.9|024 992 3.2|061 992 6.9
02|027 983 4.4|027 991 3.6|027 001 2.6|027 990 3.7|058 990 6.8
03|032 988 4.4|032 998 3.4|032 011 2.1|032 991 4.1|057 991 6.6
04|041 994 4.7|041 007 3.4|041 024 1.7|041 990 5.1|060 990 7.0
05|051 998 5.3|051 013 3.8|051 034 1.7|051 995 5.6|056 995 6.1
06|059 003 5.6|059 022 3.7|059 042 1.7|059 005 5.4|058 005 5.3
07|070 006 6.4|070 029 4.1|070 050 2.0|070 011 5.9|062 011 5.1
08|073 011 6.2|073 037 3.6|073 060 1.3|073 019 5.4|062 019 4.3
09|081 016 6.5|081 040 4.1|081 067 1.4|081 025 5.6|067 025 4.2
10|091 014 7.7|091 048 4.3|091 074 1.7|091 038 5.3|079 038 4.1
11|093 021 7.2|093 054 3.9|093 088 .5|093 053 4.0|092 053 3.9
12|090 018 7.2|090 055 3.5|090 093 -.3|090 063 2.7|099 063 3.6
13|090 018 7.2|090 056 3.4|090 092 -.2|090 073 1.7|099 073 2.6
HR BLI-YZT BLI-YQQ BLI-YHE BLI-YKA OMK-YKA
Station Identifiers:
AST Astoria OR
BLI Bellingham WA
CAR Cape Arago OR
DLS The Dalles OR
EAT Wenatchee WA
HQM Hoquiam WA
HRI Hermiston OR
HMS Hanford WA
OLM Olympia WA
OMK Omak WA
PDX Portland OR
SEA SeaTac WA
SPB Scapoose OR
SLE Salem OR
TTD Troutdale OR
UIL Quillayute WA
YKM Yakima WA
YHE Hope BC
YKA Kamploops BC
YQQ Comox BC
YZT Port Hardy BC