NWS weather history for Chamberlain, 9V9:
30 Nov 12:35 pm 33 33 100 NNE7 0.50 Mod SnowOVC00527.55994.629.30
30 Nov 12:15 pm 33 33 100 NNE8 0.75 Lt SnowOVC00527.55994.629.30
30 Nov 11:55 am 33 33 100 NNE8 0.75 Lt SnowOVC00527.55994.629.30
Consistent with #2 above.