condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 1.5210566666666665 0.0 3.15683 8 h after dark 0.0 0.0 0.0 12 h after dark 0.8241533333333333 0.0 2.47246