condition mean min max 4 h after light 149.40634699999998 148.121527 150.691167 8 h after light 191.4599825 186.148854 196.771111 12 h after light 174.8723975 150.232057 199.512738 4 h after dark 153.2570235 137.114045 169.400002 8 h after dark 130.117076 114.89222 145.341932 12 h after dark 101.102337 101.102337 101.102337