condition mean min max 4 h after light 171.2200445 164.586645 177.853444 8 h after light 236.01022949999998 205.634556 266.385903 12 h after light 284.7909525 266.385903 303.196002 4 h after dark 342.078211 297.155134 387.001288 8 h after dark 341.0857035 295.693595 386.477812 12 h after dark 227.798486 227.798486 227.798486