| 19:53 PST |  Clear | 6°C / 43°F | 3°C / 37°F | 81% | 1016 mb (30 in) | Calm | - | 10SM |
| | KPRB 260353Z AUTO 00000KT 10SM CLR 06/03 A3000 RMK AO2 SLP161 T00610028 $ |
| 18:53 PST |  Clear | 8°C / 46°F | 3°C / 37°F | 71% | 1016 mb (30 in) | SE 7 kph (SE 4.6 mph) | - | 10SM |
| | KPRB 260253Z AUTO 14004KT 10SM CLR 08/03 A2999 RMK AO2 SLP158 T00780028 53006 $ |
| 17:53 PST |  Clear | 8°C / 46°F | 3°C / 37°F | 71% | 1015 mb (29.97 in) | ESE 9 kph (ESE 5.8 mph) | - | 10SM |
| | KPRB 260153Z AUTO 11005KT 10SM CLR 08/03 A2997 RMK AO2 SLP153 T00830028 $ |
| 16:53 PST |  Clear | 13°C / 55°F | 3°C / 37°F | 51% | 1015 mb (29.97 in) | Calm | - | 10SM |
| | KPRB 260053Z AUTO 00000KT 10SM CLR 13/03 A2996 RMK AO2 SLP146 T01330028 $ |
| 15:53 PST |  Clear | 15°C / 59°F | 3°C / 37°F | 45% | 1015 mb (29.97 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KPRB 252353Z AUTO 26003KT 10SM CLR 15/03 A2997 RMK AO2 SLP150 T01500028 10156 20033 56021 $ |
| 14:53 PST |  Clear | 16°C / 61°F | 2°C / 36°F | 39% | 1015 mb (29.97 in) | Calm | - | 10SM |
| | KPRB 252253Z AUTO 00000KT 10SM CLR 16/02 A2997 RMK AO2 SLP151 T01560022 $ |
| 13:53 PST |  Clear | 13°C / 55°F | 2°C / 36°F | 47% | 1016 mb (30 in) | Calm | - | 10SM |
| | KPRB 252153Z AUTO 00000KT 10SM CLR 13/02 A3000 RMK AO2 SLP160 T01330022 $ |
| 12:53 PST |  Clear | 12°C / 54°F | 2°C / 36°F | 51% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KPRB 252053Z AUTO 00000KT 10SM CLR 12/02 A3003 RMK AO2 SLP173 T01170022 58024 $ |
| 11:53 PST |  Clear | 9°C / 48°F | 3°C / 37°F | 66% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KPRB 251953Z AUTO 00000KT 10SM CLR 09/03 A3007 RMK AO2 SLP184 T00940028 $ |
| 10:53 PST |  Clear | 7°C / 45°F | 3°C / 37°F | 76% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KPRB 251853Z AUTO 00000KT 10SM CLR 07/03 A3010 RMK AO2 SLP196 T00720033 $ |
| 09:53 PST |  Clear | 3°C / 37°F | 3°C / 37°F | 100% | 1020 mb (30.12 in) | S 9 kph (S 5.8 mph) | - | 10SM |
| | KPRB 251753Z AUTO 19005KT 10SM CLR 03/03 A3011 RMK AO2 SLP200 T00330033 10033 21017 50006 $ |
| 08:53 PST |  Clear | 1°C / 34°F | N/A | N/A | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KPRB 251653Z AUTO 00000KT 10SM CLR 01/ A3011 RMK AO2 SLP201 T0006 FZRANO $ |
| 07:53 PST |  Clear Hazy | -1°C / 30°F | N/A | N/A | 1019 mb (30.09 in) | NE 6 kph (NE 3.5 mph) | - | 6SM |
| | KPRB 251553Z AUTO 04003KT 6SM HZ CLR M01/ A3010 RMK AO2 SLP198 T1011 FZRANO $ |
| 06:53 PST |  Clear | -2°C / 28°F | N/A | N/A | 1019 mb (30.09 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KPRB 251453Z AUTO 18004KT 10SM CLR M02/ A3009 RMK AO2 SLP193 T1017 50003 FZRANO $ |
| 05:53 PST |  Clear | -1°C / 30°F | N/A | N/A | 1019 mb (30.09 in) | Calm | - | 8SM |
| | KPRB 251353Z AUTO 00000KT 8SM CLR M01/ A3009 RMK AO2 SLP193 T1011 FZRANO $ |
| 04:53 PST |  Clear | -1°C / 30°F | N/A | N/A | 1019 mb (30.09 in) | Calm | - | 8SM |
| | KPRB 251253Z AUTO 00000KT 8SM CLR M01/ A3009 RMK AO2 SLP190 T1011 FZRANO $ |
| 03:53 PST |  Clear | -1°C / 30°F | N/A | N/A | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KPRB 251153Z AUTO 00000KT 10SM CLR M01/ A3008 RMK AO2 SLP188 T1006 10033 21006 56006 FZRANO $ |
| 02:53 PST |  Clear | -1°C / 30°F | N/A | N/A | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KPRB 251053Z AUTO 00000KT 10SM CLR M01/ A3009 RMK AO2 SLP191 T1006 FZRANO $ |
| 01:53 PST |  Clear | 0°C / 32°F | N/A | N/A | 1019 mb (30.09 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KPRB 250953Z AUTO 19003KT 10SM CLR 00/ A3009 RMK AO2 SLP191 T0000 FZRANO $ |
| 00:53 PST |  Clear | 0°C / 32°F | N/A | N/A | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KPRB 250853Z AUTO 00000KT 10SM CLR 00/ A3010 RMK AO2 SLP195 T0000 58006 FZRANO $ |