condition mean min max 4 h after light 158.9356135 128.371564 189.499663 8 h after light 173.623647 135.544651 211.702643 12 h after light 121.21988300000001 97.669508 144.770258 4 h after dark 90.187918 68.168465 112.207371 8 h after dark 94.4069115 91.001349 97.812474 12 h after dark 57.473487 57.473487 57.473487