condition mean min max 0 h after light 38.672 38.3498 38.9942 4 h after light 24.7961 24.2958 25.2964 8 h after light 13.9985 12.9687 15.0283 4 h after dark 30.3945 30.1181 30.6709 8 h after dark 33.51245 33.0076 34.0173 12 h after dark 35.8849 34.6658 37.104