condition mean min max 4 h after light 0.7067070000000001 0.247624 1.16579 8 h after light 0.421957 0.329643 0.514271 12 h after light 0.563453 0.484756 0.64215 4 h after dark 0.3324843333333333 0.28191 0.361495 8 h after dark 0.47961566666666666 0.37523 0.665372 12 h after dark 0.5527993333333333 0.502586 0.598765