| 16:53 PST |  Overcast | 9°C / 48°F | 9°C / 48°F | 100% | 1025 mb (30.27 in) | SW 19 kph (SW 11.5 mph) | - | 10SM |
| | KSHN 300053Z AUTO 23010KT 10SM BKN005 OVC009 09/09 A3028 RMK AO2 SLP257 T00940089 |
| 16:40 PST |  Overcast | 9°C / 48°F | 9°C / 48°F | 100% | 1025 mb (30.27 in) | SW 17 kph (SW 10.4 mph) | - | 10SM |
| | KSHN 300040Z AUTO 23009KT 10SM BKN005 OVC012 09/09 A3028 RMK AO2 |
| 16:33 PST |  Overcast | 9°C / 48°F | 9°C / 48°F | 100% | 1025 mb (30.27 in) | SW 17 kph (SW 10.4 mph) | - | 10SM |
| | KSHN 300033Z AUTO 23009KT 10SM SCT005 OVC012 09/09 A3028 RMK AO2 |
| 15:53 PST |  Overcast | 10°C / 50°F | 9°C / 48°F | 94% | 1025 mb (30.27 in) | SSW 17 kph (SSW 10.4 mph) | - | 8SM |
| | KSHN 292353Z AUTO 24009KT 8SM BKN005 OVC010 10/09 A3028 RMK AO2 SLP258 60000 T01000089 10111 20100 56012 |
| 14:53 PST |  Overcast | 10°C / 50°F | 9°C / 48°F | 94% | 1026 mb (30.3 in) | SSW 19 kph (SSW 11.5 mph) | - | 10SM |
| | KSHN 292253Z AUTO 24010KT 10SM OVC007 10/09 A3029 RMK AO2 SLP261 T01000094 |
| 14:08 PST |  Overcast | 11°C / 52°F | 9°C / 48°F | 88% | 1026 mb (30.3 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KSHN 292208Z AUTO 24009KT 10SM BKN007 OVC065 11/09 A3030 RMK AO2 CIG 006V011 |
| 14:01 PST |  Overcast | 11°C / 52°F | 9°C / 48°F | 88% | 1026 mb (30.3 in) | SSW 20 kph (SSW 12.7 mph) | - | 10SM |
| | KSHN 292201Z AUTO 24011KT 10SM SCT007 OVC065 11/09 A3030 RMK AO2 |
| 13:53 PST |  Overcast | 11°C / 52°F | 9°C / 48°F | 88% | 1026 mb (30.3 in) | SSW 24 kph (SSW 15 mph) | - | 10SM |
| | KSHN 292153Z AUTO 24013G17KT 10SM BKN007 BKN055 OVC070 11/09 A3030 RMK AO2 SLP265 T01060094 |
| 12:53 PST |  Overcast | 10°C / 50°F | 9°C / 48°F | 94% | 1027 mb (30.33 in) | SSW 20 kph (SSW 12.7 mph) | - | 10SM |
| | KSHN 292053Z AUTO 24011KT 10SM OVC007 10/09 A3032 RMK AO2 CIG 005V011 SLP270 60000 T01000094 58011 |
| 12:13 PST |  Overcast | 11°C / 52°F | 9°C / 48°F | 88% | 1027 mb (30.33 in) | SW 20 kph (SW 12.7 mph) | - | 10SM |
| | KSHN 292013Z AUTO 23011KT 10SM BKN007 BKN014 OVC065 11/09 A3033 RMK AO2 |
| 11:53 PST |  Mostly Cloudy | 10°C / 50°F | 9°C / 48°F | 94% | 1027 mb (30.33 in) | SW 19 kph (SW 11.5 mph) | 0.00 mm (0.00 in) | 7SM |
| | KSHN 291953Z AUTO 23010KT 7SM SCT007 BKN018 10/09 A3034 RMK AO2 RAE29 SLP276 P0000 T01000094 |
| 11:07 PST |  Overcast Light Rain | 10°C / 50°F | 9°C / 48°F | 94% | 1027 mb (30.33 in) | SSW 17 kph (SSW 10.4 mph) | 0.00 mm (0.00 in) | 6SM |
| | KSHN 291907Z AUTO 24009KT 6SM -RA BR SCT008 BKN016 OVC046 10/09 A3034 RMK AO2 P0000 |
| 10:53 PST |  Overcast Light Rain | 10°C / 50°F | 9°C / 48°F | 94% | 1028 mb (30.36 in) | SSW 15 kph (SSW 9.2 mph) | 0.00 mm (0.00 in) | 6SM |
| | KSHN 291853Z AUTO 24008KT 6SM -RA BR OVC008 10/09 A3035 RMK AO2 RAB16E26B52 SLP279 P0000 T01000094 |
| 09:53 PST |  Overcast | 10°C / 50°F | 9°C / 48°F | 94% | 1028 mb (30.36 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KSHN 291753Z AUTO 26008KT 10SM OVC008 10/09 A3035 RMK AO2 CIG 005V011 SLP281 60001 T01000089 10100 20083 53009 |
| 08:53 PST |  Overcast | 9°C / 48°F | 9°C / 48°F | 100% | 1027 mb (30.33 in) | SSW 20 kph (SSW 12.7 mph) | - | 10SM |
| | KSHN 291653Z AUTO 24011KT 10SM OVC006 09/09 A3033 RMK AO2 SLP275 T00940089 |
| 07:53 PST |  Overcast | 9°C / 48°F | 8°C / 46°F | 94% | 1027 mb (30.33 in) | SSW 13 kph (SSW 8.1 mph) | 0.00 mm (0.00 in) | 9SM |
| | KSHN 291553Z AUTO 25007KT 9SM OVC008 09/08 A3033 RMK AO2 RAE10 SLP273 P0000 T00890083 |
| 07:34 PST |  Overcast | 9°C / 48°F | 8°C / 46°F | 94% | 1027 mb (30.33 in) | SSW 15 kph (SSW 9.2 mph) | 0.00 mm (0.00 in) | 9SM |
| | KSHN 291534Z AUTO 25008KT 9SM BKN008 OVC065 09/08 A3033 RMK AO2 RAE10 P0000 |
| 07:26 PST |  Overcast | 9°C / 48°F | 8°C / 46°F | 94% | 1027 mb (30.33 in) | SSW 13 kph (SSW 8.1 mph) | 0.00 mm (0.00 in) | 10SM |
| | KSHN 291526Z AUTO 25007KT 10SM SCT008 BKN011 OVC065 09/08 A3033 RMK AO2 RAE10 P0000 |
| 07:16 PST |  Overcast | 9°C / 48°F | 8°C / 46°F | 94% | 1027 mb (30.33 in) | SSW 17 kph (SSW 10.4 mph) | 0.00 mm (0.00 in) | 10SM |
| | KSHN 291516Z AUTO 25009KT 10SM SCT008 BKN043 OVC065 09/08 A3033 RMK AO2 RAE10 P0000 |
| 06:53 PST |  Partly Cloudy Light Rain | 9°C / 48°F | 8°C / 46°F | 94% | 1027 mb (30.33 in) | SSW 24 kph (SSW 15 mph) | 0.00 mm (0.00 in) | 9SM |
| | KSHN 291453Z AUTO 25013KT 9SM -RA FEW026 SCT060 09/08 A3032 RMK AO2 RAE1358B53 SLP271 P0000 60001 T00890083 55002 |
| 05:53 PST |  Overcast Light Rain | 9°C / 48°F | 8°C / 46°F | 94% | 1027 mb (30.33 in) | SSW 19 kph (SSW 11.5 mph) | 0.00 mm (0.00 in) | 9SM |
| | KSHN 291353Z AUTO 24010KT 9SM -RA BKN060 OVC070 09/08 A3032 RMK AO2 RAE09B48 SLP271 P0000 T00890078 |
| 04:53 PST |  Overcast Light Rain | 8°C / 46°F | 8°C / 46°F | 100% | 1027 mb (30.33 in) | SSW 17 kph (SSW 10.4 mph) | 0.25 mm (0.01 in) | 7SM |
| | KSHN 291253Z AUTO 25009KT 7SM -RA FEW009 BKN055 OVC075 08/08 A3033 RMK AO2 RAE23B46 SLP272 P0001 T00830078 |
| 04:38 PST |  Overcast | 8°C / 46°F | 8°C / 46°F | 100% | 1027 mb (30.33 in) | SSW 15 kph (SSW 9.2 mph) | 0.25 mm (0.01 in) | 10SM |
| | KSHN 291238Z AUTO 24008KT 10SM FEW008 OVC070 08/08 A3033 RMK AO2 RAE23 P0001 |
| 04:30 PST |  Overcast | 8°C / 46°F | 8°C / 46°F | 100% | 1027 mb (30.33 in) | SSW 17 kph (SSW 10.4 mph) | 0.25 mm (0.01 in) | 8SM |
| | KSHN 291230Z AUTO 24009KT 8SM SCT010 BKN060 OVC075 08/08 A3033 RMK AO2 RAE23 P0001 |
| 04:14 PST |  Overcast Light Rain | 8°C / 46°F | 8°C / 46°F | 100% | 1027 mb (30.33 in) | SSW 11 kph (SSW 6.9 mph) | 0.25 mm (0.01 in) | 8SM |
| | KSHN 291214Z AUTO 24006KT 8SM -RA SCT006 BKN010 OVC034 08/08 A3033 RMK AO2 P0001 |
| 04:03 PST |  Overcast Light Rain | 8°C / 46°F | 8°C / 46°F | 100% | 1027 mb (30.33 in) | SSW 11 kph (SSW 6.9 mph) | 0.00 mm (0.00 in) | 7SM |
| | KSHN 291203Z AUTO 25006KT 7SM -RA BKN010 BKN035 OVC070 08/08 A3033 RMK AO2 P0000 |
| 03:53 PST |  Overcast Light Rain | 9°C / 48°F | 8°C / 46°F | 94% | 1027 mb (30.33 in) | SSW 13 kph (SSW 8.1 mph) | 0.00 mm (0.00 in) | 8SM |
| | KSHN 291153Z AUTO 24007KT 8SM -RA BKN008 BKN034 OVC080 09/08 A3033 RMK AO2 RAB41 SLP274 P0000 60001 70006 T00890083 10089 20078 57007 |
| 03:26 PST |  Mostly Cloudy | 9°C / 48°F | 8°C / 46°F | 94% | 1027 mb (30.33 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KSHN 291126Z AUTO 24005KT 10SM BKN010 BKN065 09/08 A3033 RMK AO2 |
| 02:53 PST |  Mostly Cloudy | 8°C / 46°F | 8°C / 46°F | 100% | 1027 mb (30.33 in) | SW 17 kph (SW 10.4 mph) | - | 10SM |
| | KSHN 291053Z AUTO 23009KT 10SM BKN070 08/08 A3033 RMK AO2 SLP274 T00830078 |
| 02:07 PST |  Overcast | 8°C / 46°F | 8°C / 46°F | 100% | 1027 mb (30.33 in) | SW 9 kph (SW 5.8 mph) | - | 9SM |
| | KSHN 291007Z AUTO 23005KT 9SM FEW012 OVC070 08/08 A3034 RMK AO2 |
| 01:53 PST |  Overcast | 8°C / 46°F | 8°C / 46°F | 100% | 1028 mb (30.36 in) | SW 9 kph (SW 5.8 mph) | - | 8SM |
| | KSHN 290953Z AUTO 23005KT 8SM BKN012 OVC070 08/08 A3035 RMK AO2 SLP280 T00830078 |
| 01:50 PST |  Overcast | 8°C / 46°F | 8°C / 46°F | 100% | 1028 mb (30.36 in) | SSW 9 kph (SSW 5.8 mph) | - | 8SM |
| | KSHN 290950Z AUTO 24005KT 8SM BKN010 BKN035 OVC070 08/08 A3035 RMK AO2 |
| 00:53 PST |  Overcast Fog And Mist | 8°C / 46°F | 8°C / 46°F | 100% | 1028 mb (30.36 in) | SSW 19 kph (SSW 11.5 mph) | - | 6SM |
| | KSHN 290853Z AUTO 25010KT 6SM BR BKN036 OVC060 08/08 A3036 RMK AO2 SLP282 60001 T00830078 53004 |