condition mean min max 4 h after light 393.70945 370.257962 417.160938 8 h after light 444.38692249999997 377.357148 511.416697 12 h after light 398.23995 382.324766 414.155134 4 h after dark 361.1099855 320.454673 401.765298 8 h after dark 346.890377 337.913066 355.867688 12 h after dark 282.34231 282.34231 282.34231