condition mean min max 4 h after light 111.1109325 94.44915 127.772715 8 h after light 76.994668 69.147219 84.842117 12 h after light 104.64380500000001 79.77075 129.51686 4 h after dark 122.576003 98.127024 147.024982 8 h after dark 133.116673 106.001289 160.232057 12 h after dark 122.460377 122.460377 122.460377