condition mean min max 3 h after light 2.336996666666667 1.71648 3.315 6 h after light 1.88594 1.30417 2.62405 9 h after light 1.968935 0.559745 3.90842 12 h after light 6.166763333333333 4.94704 7.62151 3 h after dark 11.8793 11.7438 12.0187 6 h after dark 8.007159999999999 7.39992 8.55839 9 h after dark 4.480815 0.460545 8.21667 12 h after dark 3.6032243333333334 0.594483 7.38344