condition mean min max 4 h after light 0.022064399999999998 0.0 0.0661932 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.0069023999999999995 0.0 0.0207072 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0224724 0.0 0.0363915