condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.29024973333333337 0.0680212 0.640958 4 h after dark 0.35985633333333333 0.267727 0.454033 8 h after dark 0.43045 0.0 0.894215 12 h after dark 0.4419023333333333 0.200568 0.705768