Go back even farther on your METARS. This is what I was looking at deciding go/no go on my lesson this morning.
KBUR 191709Z 00000KT 1/2SM FG OVC001 11/09 A3004 RMK AO2
KBUR 191653Z 00000KT 1/4SM FG VV001 11/09 A3004 RMK AO2 SLP165 T01060094
KBUR 191553Z 00000KT M1/4SM FG VV001 09/09 A3003 RMK AO2 SLP165 P0001 T00940089
KBUR 191538Z 00000KT M1/4SM FG VV001 10/08 A3003 RMK AO2 P0001
KBUR 191453Z 00000KT M1/4SM FG VV002 09/08 A3002 RMK AO2 SLP159 T00940083 53014 $
KBUR 191353Z 00000KT M1/4SM FG OVC004 09/08 A3000 RMK AO2 SLP151 T00940083 $
KBUR 191253Z 00000KT 1/4SM FG OVC004 10/08 A2998 RMK AO2 SLP144 T01000083 $
M1/4 means less than 1/4 mile visibility.
And just 6 miles to the west at Van Nuys.
KVNY 191851Z 10003KT 5SM HZ CLR 20/07 A3003 RMK AO2 SLP164 T02000072 $
KVNY 191751Z 00000KT 8SM CLR 17/09 A3004 RMK AO2 SLP167 T01720089 10172 20078 50007 $
KVNY 191651Z 00000KT 7SM CLR 13/10 A3004 RMK AO2 SLP169 T01330100 $
KVNY 191551Z 00000KT 7SM CLR 11/09 A3003 RMK AO2 SLP166 T01060089 $
KVNY 191451Z 00000KT 6SM BR FEW004 09/07 A3002 RMK AO2 SLP161 T00890072 53012 $
KVNY 191351Z 00000KT 6SM BR FEW004 08/07 A2999 RMK AO2 SLP154 T00830072 $
KVNY 191251Z 00000KT 4SM BR FEW004 09/08 A2998 RMK AO2 SLP148 T00940078 $
Basically clear.
And my home airport, basically in a little bowl, is still not out of it. 1/16th mile! 330 feet! They probably couldn't see the terminal from the tower.
KEMT 192247Z 21005KT 2 1/2SM HZ SCT000 A2996 RMK HZ SCT000 RWY 19
KEMT 192147Z VRB05KT 2SM HZ SCT000 A2997 RMK HZ SCT000
KEMT 192052Z VRB05KT 2SM HZ SCT000 A2999 HZ SCT000
KEMT 191951Z VRB05KT 2SM HZ SCT000 A3002 HZ SCT000
KEMT 191847Z VRB05KT 01SM HZ BKN000BKN070 A3006
KEMT 191749Z 00000KT 01SM FG VV000 A3006
KEMT 191647Z 00000KT 1/8SM FG VV000 A3006
KEMT 191557Z 00000KT 1/16SM FG VV000 A3005
--Carlos V.