condition mean min max 3 h after light 20.320833333333333 17.7042 22.0568 6 h after light 5.76804 3.16053 7.39669 9 h after light 16.8143 8.8213 21.1613 12 h after light 23.20564 9.89962 40.0648 3 h after dark 18.636166666666668 12.2987 25.4337 6 h after dark 11.992153333333333 5.29249 25.1178 9 h after dark 7.52709 5.3673 10.4414 12 h after dark 7.2202399999999995 3.75631 12.497