condition mean min max 4 h after light 1.1058456666666667 0.310127 1.73689 8 h after light 0.927473 0.267243 1.53268 12 h after light 1.6721433333333333 1.09319 1.97958 4 h after dark 1.49339 1.09394 1.69473 8 h after dark 1.348119 0.771227 1.68863 12 h after dark 1.1302193333333332 0.943918 1.23556