condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.17422700000000002 0.171361 0.177093 8 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.171896 0.171175 0.172617 12 h after dark 0.0 0.0 0.0