condition mean min max 4 h after light 166.306695 118.227487 214.385903 8 h after light 173.045259 137.372573 208.717945 12 h after light 165.477995 149.554625 181.401365 4 h after dark 169.3726755 139.541219 199.204132 8 h after dark 173.634362 157.102172 190.166552 12 h after dark 128.10257 128.10257 128.10257