condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 3.822075 3.75345 3.8907 8 h after light 1.977245 0.0 3.95449 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 2.0767 0.0 4.1534 12 h after dark 6.05291 3.93099 8.17483