condition mean min max 4 h after light 148.1085 134.45 161.767 8 h after light 133.172 132.902 133.442 12 h after light 136.4875 130.848 142.127 4 h after dark 169.94400000000002 165.29 174.598 8 h after dark 164.25549999999998 160.075 168.436 12 h after dark 174.6805 172.96 176.401