condition mean min max 4 h after light 100.2705405 82.528883 118.012198 8 h after light 109.180684 92.981484 125.379884 12 h after light 131.10664 116.680061 145.533219 4 h after dark 144.17501049999998 121.041041 167.30898 8 h after dark 137.841217 134.736106 140.946328 12 h after dark 112.508879 112.508879 112.508879