condition mean min max 0 h after light 4.078145 3.7038 4.45249 4 h after light 4.07276 3.45042 4.6951 8 h after light 5.618455 4.95518 6.28173 4 h after dark 9.007735 8.97343 9.04204 8 h after dark 7.00881 6.20094 7.81668 12 h after dark 4.3328050000000005 3.91019 4.75542