| 16:45 PST | 
Clear | 6°C / 43°F | -1°C / 30°F | 61% | 1020 mb
(30.12 in) | Calm | - | 10SM |
| | KMER 090045Z 00000KT 10SM SKC 06/M01 A3012 |
| 15:50 PST | 
Clear | 9°C / 48°F | -1°C / 30°F | 50% | 1020 mb
(30.12 in) | Calm | - | 10SM |
| | KMER 082350Z 00000KT 10SM SKC 09/M01 A3012 |
| 14:45 PST |
Clear | 9°C / 48°F | -1°C / 30°F | 50% | 1019 mb
(30.09 in) | Calm | - | 10SM |
| | KMER 082245Z 00000KT 10SM SKC 09/M01 A3010 |
| 13:59 PST |
Clear | 9°C / 48°F | 0°C / 32°F | 54% | 1019 mb
(30.09 in) | Variable 9 kph
(Variable 5.8 mph) | - | 10SM |
| | KMER 082159Z VRB05KT 10SM SKC 09/00 A3010 |
| 12:50 PST | 
Partly Cloudy | 8°C / 46°F | 2°C / 36°F | 66% | 1020 mb
(30.12 in) | Calm | - | 8SM |
| | KMER 082050Z 00000KT 8SM FEW030 08/02 A3011 |
| 11:45 PST | 
Partly Cloudy
Hazy | 6°C / 43°F | 4°C / 39°F | 87% | 1020 mb
(30.12 in) | Calm | - | 6SM |
| | KMER 081945Z 00000KT 6SM HZ FEW020 06/04 A3013 |
| 10:45 PST |
Clear | 5°C / 41°F | 4°C / 39°F | 93% | 1021 mb
(30.15 in) | SE 11 kph
(SE 6.9 mph) | - | 10SM |
| | KMER 081845Z 12006KT 10SM SKC 05/04 A3014 |
| 09:45 PST |
Clear | 2°C / 36°F | 2°C / 36°F | 100% | 1021 mb
(30.15 in) | SE 11 kph
(SE 6.9 mph) | - | 10SM |
| | KMER 081745Z 12006KT 10SM SKC 02/02 A3014 |
| 08:45 PST |
Clear | 0°C / 32°F | 0°C / 32°F | 100% | 1020 mb
(30.12 in) | SE 9 kph
(SE 5.8 mph) | - | 10SM |
| | KMER 081645Z 13005KT 10SM SKC 00/00 A3012 |
| 07:45 PST |
Clear | -2°C / 28°F | -2°C / 28°F | 100% | 1019 mb
(30.09 in) | SE 15 kph
(SE 9.2 mph) | - | 10SM |
| | KMER 081545Z 12008KT 10SM SKC M02/M02 A3009 |
| 06:55 PST |
Clear | -3°C / 27°F | -3°C / 27°F | 100% | 1019 mb
(30.09 in) | Calm | - | 10SM |
| | KMER 081455Z AUTO 10SM CLR M03/M03 A3009
RMK AO1 |
| 06:45 PST |
Clear | -3°C / 27°F | -3°C / 27°F | 100% | 1019 mb
(30.09 in) | SE 13 kph
(SE 8.1 mph) | - | 10SM |
| | KMER 081445Z 14007KT 10SM SKC M03/M03 A3009 |
| 06:35 PST |
Clear | -3°C / 27°F | -3°C / 27°F | 100% | 1019 mb
(30.09 in) | Calm | - | 10SM |
| | KMER 081435Z AUTO 10SM CLR M03/M03 A3009
RMK AO1 |
| 06:15 PST |
Clear | -3°C / 27°F | -2°C / 28°F | N/A | 1018 mb
(30.06 in) | Calm | - | 10SM |
| | KMER 081415Z AUTO 10SM CLR M03/M02 A3007
RMK AO1 |
| 05:55 PST |
Clear | -2°C / 28°F | -2°C / 28°F | 100% | 1018 mb
(30.06 in) | Calm | - | 10SM |
| | KMER 081355Z AUTO 10SM CLR M02/M02 A3006
RMK AO1 |
| 05:35 PST |
Clear | -2°C / 28°F | -2°C / 28°F | 100% | 1017 mb
(30.03 in) | Calm | - | 8SM |
| | KMER 081335Z AUTO 8SM CLR M02/M02 A3004
RMK AO1 |
| 05:15 PST |
Clear | -2°C / 28°F | -2°C / 28°F | 100% | 1017 mb
(30.03 in) | Calm | - | 8SM |
| | KMER 081315Z AUTO 8SM CLR M02/M02 A3003
RMK AO1 |
| 04:55 PST |
Clear | -2°C / 28°F | -2°C / 28°F | 100% | 1016 mb
(30 in) | Calm | - | 10SM |
| | KMER 081255Z AUTO 10SM CLR M02/M02 A3001
RMK AO1 |
| 04:35 PST |
Clear | -2°C / 28°F | -2°C / 28°F | 100% | 1016 mb
(30 in) | Calm | - | 8SM |
| | KMER 081235Z AUTO 8SM CLR M02/M02 A3000
RMK AO1 |
| 04:15 PST |
Clear | -2°C / 28°F | -2°C / 28°F | 100% | 1016 mb
(30 in) | Calm | - | 8SM |
| | KMER 081215Z AUTO 8SM CLR M02/M02 A2999
RMK AO1 |
| 03:55 PST |
Clear | -2°C / 28°F | -2°C / 28°F | 100% | 1015 mb
(29.97 in) | Calm | - | 10SM |
| | KMER 081155Z AUTO 10SM CLR M02/M02 A2998
RMK AO1 |
| 03:35 PST |
Clear | -2°C / 28°F | -2°C / 28°F | 100% | 1015 mb
(29.97 in) | Calm | - | 10SM |
| | KMER 081135Z AUTO 10SM CLR M02/M02 A2996
RMK AO1 |
| 03:15 PST |
Clear | -2°C / 28°F | -2°C / 28°F | 100% | 1015 mb
(29.97 in) | Calm | - | 10SM |
| | KMER 081115Z AUTO 10SM CLR M02/M02 A2996
RMK AO1 |
| 02:55 PST |
Clear | -2°C / 28°F | -2°C / 28°F | 100% | 1014 mb
(29.94 in) | Calm | - | 10SM |
| | KMER 081055Z AUTO 10SM CLR M02/M02 A2995
RMK AO1 |
| 02:35 PST | 
Partly Cloudy | -2°C / 28°F | -1°C / 30°F | N/A | 1014 mb
(29.94 in) | Calm | - | 1 1/4SM |
| | KMER 081035Z AUTO 1 1/4SM SCT001 M02/M01 A2994
RMK AO1 |
| 02:15 PST |
Partly Cloudy | -2°C / 28°F | -1°C / 30°F | N/A | 1014 mb
(29.94 in) | Calm | - | 4SM |
| | KMER 081015Z AUTO 4SM FEW001 M02/M01 A2993
RMK AO1 |
| 01:55 PST |
Clear | -2°C / 28°F | -2°C / 28°F | 100% | 1013 mb
(29.91 in) | Calm | - | 5SM |
| | KMER 080955Z AUTO 5SM CLR M02/M02 A2992
RMK AO1 |
| 01:35 PST |
Clear | -1°C / 30°F | -1°C / 30°F | 100% | 1013 mb
(29.91 in) | Calm | - | 4SM |
| | KMER 080935Z AUTO 4SM CLR M01/M01 A2990
RMK AO1 |
| 01:15 PST |
Clear | -1°C / 30°F | -1°C / 30°F | 100% | 1013 mb
(29.91 in) | Calm | - | 5SM |
| | KMER 080915Z AUTO 5SM CLR M01/M01 A2990
RMK AO1 |
| 00:55 PST |
Clear | -1°C / 30°F | -1°C / 30°F | 100% | 1012 mb
(29.88 in) | Calm | - | 5SM |
| | KMER 080855Z AUTO 5SM CLR M01/M01 A2989
RMK AO1 |
| 00:35 PST |
Clear | -1°C / 30°F | -1°C / 30°F | 100% | 1012 mb
(29.88 in) | Calm | - | 5SM |
| | KMER 080835Z AUTO 00000KT 5SM CLR M01/M01 A2989
RMK AO1 |
| 00:15 PST |
Clear | -1°C / 30°F | 0°C / 32°F | N/A | 1012 mb
(29.88 in) | Calm | - | 5SM |
| | KMER 080815Z AUTO 5SM CLR M01/00 A2988
RMK AO1 |
