condition mean min max 4 h after light 240.494389 232.882984 248.105794 8 h after light 246.816924 235.63256 258.001288 12 h after light 245.642803 234.232057 257.053549 4 h after dark 220.69359550000001 209.001288 232.385903 8 h after dark 205.3503785 192.401947 218.29881 12 h after dark 219.198864 219.198864 219.198864