condition mean min max 4 h after light 179.31166666666667 171.4528 185.8519 8 h after light 153.53171 92.19033 204.7313 12 h after light 127.19330000000001 115.8507 138.025 16 h after light 274.94006666666667 249.4395 316.2006 4 h after dark 259.2244 245.1897 267.9254 8 h after dark 180.2041 128.1408 211.2568