Here's the ORH snow obs. Looks like early evening.
ORH,1992-09-30 22:00,METAR KORH 302200Z 34008KT 40SM -SHRASN SCT050 BKN080 OVC120 06/M03 A3000 RMK RSB40 BINOVC SLP170 T00611028
ORH,1992-09-30 23:00,METAR KORH 302300Z 32010KT 40SM SCT050 OVC080 05/M02 A3001 RMK VIRGA S-NW RSE2152 SLP173 T00501017
CON just barely snuck the snow in before midnight. Technically it was a T for 9/30 and 10/1.
CON,1992-10-01 05:00,KCON 010500Z 00000KT 7SM -SHSN OVC040 M02/M03 A3006 RMK SB39 VLGT SLP181 T10171028
CON,1992-10-01 06:00,KCON 010600Z 19004KT 7SM SCT040 SCT070 M02/M03 A3005 RMK SE12/ SLP179 60000 8/570 T10221033 57005