condition mean min max 4 h after light 271.173099 168.260474 374.085724 8 h after light 234.8063115 230.732057 238.880566 12 h after light 233.92423000000002 175.279391 292.569069 4 h after dark 70.3954225 44.779636 96.011209 8 h after dark 61.498099 49.1649 73.831298 12 h after dark 100.634649 100.634649 100.634649