| 15:54 PST |  Clear | 7°C / 45°F | -2°C / 28°F | 53% | 1022 mb (30.18 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KOLM 022354Z 05005KT 10SM CLR 07/M02 A3018 RMK AO2 SLP223 T00671017 10078 20011 55004 |
| 14:54 PST |  Clear | 8°C / 46°F | -2°C / 28°F | 50% | 1022 mb (30.18 in) | ENE 17 kph (ENE 10.4 mph) | - | 10SM |
| | KOLM 022254Z 06009KT 10SM CLR 08/M02 A3018 RMK AO2 SLP222 T00781017 |
| 13:54 PST |  Clear | 8°C / 46°F | -2°C / 28°F | 50% | 1022 mb (30.18 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KOLM 022154Z 06004KT 10SM CLR 08/M02 A3019 RMK AO2 SLP225 T00781022 |
| 12:54 PST |  Clear | 7°C / 45°F | 1°C / 34°F | 66% | 1022 mb (30.18 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KOLM 022054Z 03005KT 10SM CLR 07/01 A3019 RMK AO2 SLP227 T00720006 58015 |
| 11:54 PST |  Clear | 6°C / 43°F | 0°C / 32°F | 66% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KOLM 021954Z 00000KT 10SM CLR 06/00 A3021 RMK AO2 SLP233 T00560000 |
| 10:54 PST |  Clear | 4°C / 39°F | -1°C / 30°F | 70% | 1024 mb (30.24 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KOLM 021854Z 10004KT 10SM CLR 04/M01 A3023 RMK AO2 SLP239 T00391006 |
| 09:54 PST |  Clear | 1°C / 34°F | -1°C / 30°F | 87% | 1024 mb (30.24 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KOLM 021754Z 10003KT 10SM CLR 01/M01 A3024 RMK AO2 SLP242 T00111006 10011 21050 51008 |
| 08:54 PST |  Clear Fog | -2°C / 28°F | -2°C / 28°F | 100% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KOLM 021654Z 00000KT 10SM BCFG CLR M02/M02 A3023 RMK AO2 SLP240 BCFG SE QUAD T10221022 |
| 07:54 PST |  Clear Fog | -4°C / 25°F | -4°C / 25°F | 100% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KOLM 021554Z 00000KT 10SM BCFG CLR M04/M04 A3023 RMK AO2 SLP238 BCFG SE QUAD T10391044 |
| 07:47 PST |  Clear Fog | -3°C / 27°F | -4°C / 25°F | 93% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KOLM 021547Z 00000KT 10SM BCFG CLR M03/M04 A3023 RMK AO2 |
| 06:54 PST |  Obscured Fog And Mist | -5°C / 23°F | -5°C / 23°F | 100% | 1023 mb (30.21 in) | Calm | - | 3/4SM |
| | KOLM 021454Z AUTO 00000KT 3/4SM BR VV001 M05/M05 A3021 RMK AO2 SLP233 T10501050 56004 |
| 06:41 PST |  Obscured Fog | -4°C / 25°F | -5°C / 23°F | 93% | 1023 mb (30.21 in) | Calm | - | 1/2SM |
| | KOLM 021441Z AUTO 00000KT 1/2SM FZFG VV001 M04/M05 A3022 RMK AO2 |
| 06:30 PST |  Clear Fog And Mist | -3°C / 27°F | -5°C / 23°F | 86% | 1023 mb (30.21 in) | Calm | - | 3/4SM |
| | KOLM 021430Z AUTO 00000KT 3/4SM BR CLR M03/M05 A3022 RMK AO2 |
| 06:27 PST |  Clear Fog And Mist | -4°C / 25°F | -5°C / 23°F | 93% | 1023 mb (30.21 in) | Calm | - | 1 3/4SM |
| | KOLM 021427Z AUTO 00000KT 1 3/4SM BR CLR M04/M05 A3022 RMK AO2 |
| 05:54 PST |  Clear | -4°C / 25°F | -5°C / 23°F | 93% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KOLM 021354Z AUTO 00000KT 10SM CLR M04/M05 A3022 RMK AO2 SLP235 T10391050 |
| 04:54 PST |  Partly Cloudy | -4°C / 25°F | -5°C / 23°F | 93% | 1023 mb (30.21 in) | Calm | - | 8SM |
| | KOLM 021254Z AUTO 00000KT 8SM FEW001 M04/M05 A3022 RMK AO2 SLP235 T10441050 |
| 04:48 PST |  Partly Cloudy Fog And Mist | -4°C / 25°F | -4°C / 25°F | 100% | 1023 mb (30.21 in) | Calm | - | 3SM |
| | KOLM 021248Z AUTO 00000KT 3SM BR FEW001 M04/M04 A3022 RMK AO2 |
| 04:46 PST |  Partly Cloudy Fog And Mist | -4°C / 25°F | -5°C / 23°F | 93% | 1023 mb (30.21 in) | Calm | - | 1 1/4SM |
| | KOLM 021246Z AUTO 00000KT 1 1/4SM BR FEW001 M04/M05 A3022 RMK AO2 |
| 04:41 PST |  Obscured Fog | -4°C / 25°F | -5°C / 23°F | 93% | 1023 mb (30.21 in) | Calm | - | 1/2SM |
| | KOLM 021241Z AUTO 00000KT 1/2SM FZFG VV001 M04/M05 A3022 RMK AO2 |
| 04:34 PST |  Obscured Fog And Mist | -4°C / 25°F | -6°C / 21°F | 86% | 1023 mb (30.21 in) | Calm | - | 1SM |
| | KOLM 021234Z AUTO 00000KT 1SM BR VV001 M04/M06 A3022 RMK AO2 |
| 04:32 PST |  Partly Cloudy Fog And Mist | -4°C / 25°F | -6°C / 21°F | 86% | 1023 mb (30.21 in) | Calm | - | 1 1/2SM |
| | KOLM 021232Z AUTO 00000KT 1 1/2SM BR SCT001 M04/M06 A3022 RMK AO2 |
| 04:25 PST |  Partly Cloudy Fog And Mist | -4°C / 25°F | -4°C / 25°F | 100% | 1023 mb (30.21 in) | Calm | - | 4SM |
| | KOLM 021225Z AUTO 00000KT 4SM BR SCT001 M04/M04 A3022 RMK AO2 |
| 04:23 PST |  Mostly Cloudy Fog And Mist | -3°C / 27°F | -3°C / 27°F | 100% | 1023 mb (30.21 in) | Calm | - | 1 3/4SM |
| | KOLM 021223Z AUTO 00000KT 1 3/4SM BR BKN001 M03/M03 A3022 RMK AO2 |
| 04:19 PST |  Obscured Fog And Mist | -3°C / 27°F | -3°C / 27°F | 100% | 1023 mb (30.21 in) | Calm | - | 3/4SM |
| | KOLM 021219Z AUTO 00000KT 3/4SM BR VV001 M03/M03 A3022 RMK AO2 |
| 04:03 PST |  Obscured Fog | -3°C / 27°F | -3°C / 27°F | 100% | 1023 mb (30.21 in) | Calm | - | 1/4SM |
| | KOLM 021203Z AUTO 00000KT 1/4SM FZFG VV001 M03/M03 A3022 RMK AO2 |
| 03:58 PST |  Obscured Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1023 mb (30.21 in) | Calm | - | 1SM |
| | KOLM 021158Z AUTO 00000KT 1SM BR VV001 M03/M04 A3022 RMK AO2 |
| 03:56 PST |  Mostly Cloudy Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1023 mb (30.21 in) | Calm | - | 2SM |
| | KOLM 021156Z AUTO 00000KT 2SM BR BKN001 M03/M04 A3022 RMK AO2 |
| 03:54 PST |  Partly Cloudy Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1023 mb (30.21 in) | Calm | - | 1 1/2SM |
| | KOLM 021154Z AUTO 00000KT 1 1/2SM BR SCT001 M03/M04 A3022 RMK AO2 SLP237 T10331044 11006 21039 50002 |
| 03:43 PST |  Obscured Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1024 mb (30.24 in) | Calm | - | 3/4SM |
| | KOLM 021143Z AUTO 00000KT 3/4SM BR VV001 M03/M04 A3023 RMK AO2 |
| 03:40 PST |  Clear Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1024 mb (30.24 in) | Calm | - | 1 1/4SM |
| | KOLM 021140Z AUTO 00000KT 1 1/4SM BR CLR M03/M04 A3023 RMK AO2 |
| 03:35 PST |  Clear Fog And Mist | -4°C / 25°F | -4°C / 25°F | 100% | 1024 mb (30.24 in) | Calm | - | 2SM |
| | KOLM 021135Z AUTO 00000KT 2SM BR CLR M04/M04 A3023 RMK AO2 |
| 02:54 PST |  Clear | -4°C / 25°F | -4°C / 25°F | 100% | 1024 mb (30.24 in) | Calm | - | 8SM |
| | KOLM 021054Z AUTO 00000KT 8SM CLR M04/M04 A3023 RMK AO2 SLP239 T10391044 |
| 01:54 PST |  Clear | -3°C / 27°F | -3°C / 27°F | 100% | 1024 mb (30.24 in) | Calm | - | 7SM |
| | KOLM 020954Z AUTO 00000KT 7SM CLR M03/M03 A3023 RMK AO2 SLP238 T10281028 |
| 00:54 PST |  Clear | -2°C / 28°F | -3°C / 27°F | 93% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KOLM 020854Z AUTO 00000KT 10SM CLR M02/M03 A3022 RMK AO2 SLP235 T10221033 53002 |
| 00:08 PST |  Clear Fog And Mist | -3°C / 27°F | -3°C / 27°F | 100% | 1023 mb (30.21 in) | Calm | - | 5SM |
| | KOLM 020808Z AUTO 00000KT 5SM BR CLR M03/M03 A3022 RMK AO2 |