condition mean min max 0 h after light 16.1654 15.8864 16.4444 2 h after light 43.97835 40.8928 47.0639 4 h after light 16.9093 16.5041 17.3145 8 h after light 6.157385 5.71422 6.60055 12 h after light 13.78455 10.9657 16.6034 2 h after dark 9.876075 9.23305 10.5191 4 h after dark 7.841095 6.13368 9.54851 8 h after dark 10.774899999999999 10.6143 10.9355 12 h after dark 18.16525 17.7913 18.5392