Observed Sea Level Pressure Differences
Time is given in UTC
Oregon and Washington
04 March 2026
HR OTH-SEA AST-SEA HQM-SEA UIL-BLI OLM-BLI SEA-YKM
00|200 168 3.2|166 168 -.2|163 168 -.5|140 147 -.7|166 147 1.9|168 152 1.6
01|195 167 2.8|164 167 -.3|163 167 -.4|137 144 -.7|163 144 1.9|167 151 1.6
02|196 166 3.0|159 166 -.7|158 166 -.8|135 145 -1.0|162 145 1.7|166 151 1.5
03|189 159 3.0|151 159 -.8|152 159 -.7|128 141 -1.3|157 141 1.6|159 152 .7
04|181 155 2.6|145 155 -1.0|148 155 -.7|121 138 -1.7|150 138 1.2|155 148 .7
05|179 154 2.5|144 154 -1.0|145 154 -.9|120 135 -1.5|147 135 1.2|154 145 .9
06|170 146 2.4|136 146 -1.0|136 146 -1.0|114 128 -1.4|137 128 .9|146 138 .8
07|158 137 2.1|124 137 -1.3|123 137 -1.4|105 124 -1.9|127 124 .3|137 128 .9
08|158 137 2.1|124 137 -1.3|123 137 -1.4|105 124 -1.9|127 124 .3|137 128 .9
09|151 129 2.2|116 129 -1.3|116 129 -1.3|096 119 -2.3|121 119 .2|129 121 .8
HR OTH-SEA AST-SEA HQM-SEA UIL-BLI OLM-BLI SEA-YKM
Columbia Gorge
04 March 2026
HR AST-PDX PDX-TTD TTD-DLS DLS-HRI
00|166 175 -.9|175 175 .0|175 163 1.2|163 152 1.1
01|164 172 -.8|172 174 -.2|174 160 1.4|160 153 .7
02|159 174 -1.5|174 176 -.2|176 162 1.4|162 155 .7
03|151 172 -2.1|172 173 -.1|173 159 1.4|159 154 .5
04|145 169 -2.4|169 169 .0|169 158 1.1|158 154 .4
05|144 162 -1.8|162 161 .1|161 158 .3|158 151 .7
06|136 155 -1.9|155 156 -.1|156 151 .5|151 153 -.2
07|124 143 -1.9|143 145 -.2|145 144 .1|144 148 -.4
08|124 143 -1.9|143 145 -.2|145 144 .1|144 148 -.4
09|116 138 -2.2|138 141 -.3|141 138 .3|138 143 -.5
HR AST-PDX PDX-TTD TTD-DLS DLS-HRI
SW British Columbia
04 March 2026
HR BLI-YZT BLI-YQQ BLI-YHE BLI-YKA OMK-YKA
00|147 080 6.7|147 116 3.1|147 143 .4|147 108 3.9|142 108 3.4
01|144 082 6.2|144 111 3.3|144 142 .2|144 100 4.4|141 100 4.1
02|145 083 6.2|145 110 3.5|145 142 .3|145 099 4.6|141 099 4.2
03|141 087 5.4|141 112 2.9|141 143 -.2|141 111 3.0|139 111 2.8
04|138 085 5.3|138 110 2.8|138 141 -.3|138 110 2.8|135 110 2.5
05|135 086 4.9|135 105 3.0|135 138 -.3|135 110 2.5|132 110 2.2
06|128 087 4.1|128 105 2.3|128 138 -1.0|128 113 1.5|128 113 1.5
07|124 086 3.8|124 104 2.0|124 134 -1.0|124 108 1.6|124 108 1.6
08|124 084 4.0|124 101 2.3|124 123 .1|124 106 1.8|124 106 1.8
09|119 |119 |119 |119 |122
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