condition mean min max 4 h after light 261.706899 237.831745 285.582053 8 h after light 179.3713505 158.433721 200.30898 12 h after light 236.81700999999998 204.393017 269.241003 4 h after dark 131.664024 84.547984 178.780064 8 h after dark 110.7765535 70.313647 151.23946 12 h after dark 179.270067 179.270067 179.270067