condition mean min max 4 h after light 47.5249 41.3108 53.739 8 h after light 36.03365 35.2021 36.8652 12 h after light 47.4874 43.9595 51.0153 4 h after dark 58.18233333333333 54.2676 60.5979 8 h after dark 61.67593333333333 53.4762 66.8261 12 h after dark 58.282000000000004 51.5382 67.7878