condition mean min max 4 h after light 8.516414999999999 8.16138 8.87145 8 h after light 2.29168 2.17895 2.40441 12 h after light 2.162845 1.90739 2.4183 4 h after dark 1.9193566666666668 1.46266 2.75931 8 h after dark 2.1336066666666667 2.00949 2.21453 12 h after dark 2.95485 2.89307 3.02046