| 09:24 PST |  Partly Cloudy Fog And Mist | -2°C / 28°F | -4°C / 25°F | 86% | 1028 mb (30.36 in) | Calm | - | 3SM |
| | KOLM 051724Z 00000KT 3SM BR FEW002 M02/M04 A3037 RMK AO2 |
| 08:54 PST |  Obscured Fog | -4°C / 25°F | -6°C / 21°F | 86% | 1028 mb (30.36 in) | Calm | - | 1/4SM |
| | KOLM 051654Z 00000KT 1/4SM FZFG VV001 M04/M06 A3037 RMK AO2 SLP289 T10391056 |
| 07:54 PST |  Overcast Fog | -4°C / 25°F | -6°C / 21°F | 86% | 1028 mb (30.36 in) | Calm | - | 1/4SM |
| | KOLM 051554Z 00000KT 1/4SM FZFG OVC001 M04/M06 A3036 RMK AO2 SLP285 T10441061 |
| 07:46 PST |  Overcast Hazy | -4°C / 25°F | -7°C / 19°F | 80% | 1028 mb (30.36 in) | Calm | - | 1/4SM |
| | KOLM 051546Z AUTO 00000KT 1/4SM HZ OVC001 M04/M07 A3036 RMK AO2 TSNO |
| 07:43 PST |  Overcast Fog And Mist | -5°C / 23°F | -7°C / 19°F | 86% | 1028 mb (30.36 in) | Calm | - | 1SM |
| | KOLM 051543Z AUTO 00000KT 1SM BR OVC001 M05/M07 A3036 RMK AO2 TSNO |
| 06:54 PST |  Overcast | -5°C / 23°F | -7°C / 19°F | 86% | 1028 mb (30.36 in) | Calm | - | 7SM |
| | KOLM 051454Z AUTO 00000KT 7SM OVC001 M05/M07 A3036 RMK AO2 SLP285 T10501072 53004 TSNO |
| 06:47 PST |  Mostly Cloudy | -6°C / 21°F | -8°C / 18°F | 86% | 1028 mb (30.36 in) | Calm | - | 7SM |
| | KOLM 051447Z AUTO 00000KT 7SM BKN001 M06/M08 A3036 RMK AO2 TSNO |
| 06:32 PST |  Partly Cloudy | -6°C / 21°F | -9°C / 16°F | 80% | 1028 mb (30.36 in) | Calm | - | 7SM |
| | KOLM 051432Z AUTO 00000KT 7SM SCT001 M06/M09 A3036 RMK AO2 TSNO |
| 05:54 PST |  Clear | -6°C / 21°F | -8°C / 18°F | 86% | 1028 mb (30.36 in) | Calm | - | 7SM |
| | KOLM 051354Z AUTO 00000KT 7SM CLR M06/M08 A3036 RMK AO2 SLP284 T10561078 TSNO |
| 04:54 PST |  Partly Cloudy Fog And Mist | -4°C / 25°F | -7°C / 19°F | 80% | 1028 mb (30.36 in) | Calm | - | 6SM |
| | KOLM 051254Z AUTO 00000KT 6SM BR FEW001 M04/M07 A3035 RMK AO2 SLP280 T10441067 TSNO |
| 04:48 PST |  Partly Cloudy Fog And Mist | -4°C / 25°F | -6°C / 21°F | 86% | 1028 mb (30.36 in) | Calm | - | 4SM |
| | KOLM 051248Z AUTO 00000KT 4SM BR FEW001 M04/M06 A3035 RMK AO2 TSNO |
| 04:46 PST |  Partly Cloudy Fog And Mist | -4°C / 25°F | -7°C / 19°F | 80% | 1028 mb (30.36 in) | Calm | - | 1 3/4SM |
| | KOLM 051246Z AUTO 00000KT 1 3/4SM BR FEW001 M04/M07 A3035 RMK AO2 TSNO |
| 04:35 PST |  Obscured Hazy | -5°C / 23°F | -8°C / 18°F | 80% | 1028 mb (30.36 in) | Calm | - | 1/2SM |
| | KOLM 051235Z AUTO 00000KT 1/2SM HZ VV001 M05/M08 A3035 RMK AO2 TSNO |
| 04:14 PST |  Clear Fog And Mist | -4°C / 25°F | -6°C / 21°F | 86% | 1028 mb (30.36 in) | Calm | - | 3/4SM |
| | KOLM 051214Z AUTO 00000KT 3/4SM BR CLR M04/M06 A3035 RMK AO2 TSNO |
| 04:08 PST |  Clear Fog And Mist | -4°C / 25°F | -6°C / 21°F | 86% | 1028 mb (30.36 in) | Calm | - | 1 3/4SM |
| | KOLM 051208Z AUTO 00000KT 1 3/4SM BR CLR M04/M06 A3035 RMK AO2 TSNO |
| 03:54 PST |  Clear Fog And Mist | -4°C / 25°F | -6°C / 21°F | 86% | 1028 mb (30.36 in) | Calm | - | 5SM |
| | KOLM 051154Z AUTO 00000KT 5SM BR CLR M04/M06 A3035 RMK AO2 SLP280 T10391061 11022 21044 51012 TSNO |
| 02:54 PST |  Clear Fog And Mist | -3°C / 27°F | -6°C / 21°F | 80% | 1027 mb (30.33 in) | Calm | - | 5SM |
| | KOLM 051054Z AUTO 00000KT 5SM BR CLR M03/M06 A3034 RMK AO2 SLP277 T10331056 TSNO |
| 01:54 PST |  Clear Fog And Mist | -4°C / 25°F | -6°C / 21°F | 86% | 1027 mb (30.33 in) | Calm | - | 6SM |
| | KOLM 050954Z AUTO 00000KT 6SM BR CLR M04/M06 A3033 RMK AO2 SLP274 T10391061 TSNO |
| 01:40 PST |  Clear Fog And Mist | -3°C / 27°F | -6°C / 21°F | 80% | 1027 mb (30.33 in) | Calm | - | 5SM |
| | KOLM 050940Z AUTO 00000KT 5SM BR CLR M03/M06 A3033 RMK AO2 TSNO |
| 01:32 PST |  Clear Fog And Mist | -3°C / 27°F | -5°C / 23°F | 86% | 1027 mb (30.33 in) | Calm | - | 2SM |
| | KOLM 050932Z AUTO 00000KT 2SM BR CLR M03/M05 A3033 RMK AO2 TSNO |
| 01:29 PST |  Clear Fog And Mist | -3°C / 27°F | -6°C / 21°F | 80% | 1027 mb (30.33 in) | Calm | - | 1SM |
| | KOLM 050929Z AUTO 00000KT 1SM BR CLR M03/M06 A3032 RMK AO2 TSNO |
| 01:22 PST |  Clear Fog And Mist | -4°C / 25°F | -6°C / 21°F | 86% | 1027 mb (30.33 in) | Calm | - | 1 3/4SM |
| | KOLM 050922Z AUTO 00000KT 1 3/4SM BR CLR M04/M06 A3032 RMK AO2 TSNO |
| 00:58 PST |  Partly Cloudy Fog And Mist | -3°C / 27°F | -6°C / 21°F | 80% | 1027 mb (30.33 in) | Calm | - | 3SM |
| | KOLM 050858Z AUTO 00000KT 3SM BR FEW001 M03/M06 A3032 RMK AO2 TSNO |
| 00:54 PST |  Partly Cloudy Fog And Mist | -3°C / 27°F | -6°C / 21°F | 80% | 1027 mb (30.33 in) | Calm | - | 1 1/2SM |
| | KOLM 050854Z AUTO 00000KT 1 1/2SM BR FEW001 M03/M06 A3032 RMK AO2 SLP268 T10331056 51010 TSNO |
| 00:52 PST |  Partly Cloudy Fog And Mist | -3°C / 27°F | -6°C / 21°F | 80% | 1027 mb (30.33 in) | Calm | - | 1 1/4SM |
| | KOLM 050852Z AUTO 00000KT 1 1/4SM BR FEW001 M03/M06 A3032 RMK AO2 TSNO |
| 00:18 PST |  Obscured Fog | -3°C / 27°F | -4°C / 25°F | 93% | 1027 mb (30.33 in) | Calm | - | 1/2SM |
| | KOLM 050818Z AUTO 00000KT 1/2SM FZFG VV001 M03/M04 A3032 RMK AO2 TSNO |