condition mean min max 4 h after light 57.32815 49.1489 65.5074 8 h after light 72.84309999999999 71.7628 73.9234 12 h after light 57.6306 42.0319 73.2293 4 h after dark 82.6231 68.4262 105.079 8 h after dark 54.14406666666667 52.4999 56.0722 12 h after dark 51.4701 49.0523 53.665