condition mean min max 4 h after light 4.187865 4.0344 4.34133 8 h after light 10.740200000000002 10.1376 11.3428 12 h after light 13.48015 11.6201 15.3402 4 h after dark 15.572600000000001 15.5294 15.6158 8 h after dark 10.096174999999999 9.52235 10.67 12 h after dark 8.16792 7.42091 8.91493