condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.00885195 0.0 0.0177039 12 h after light 0.0054907 0.0 0.0109814 4 h after dark 0.011394133333333334 0.0 0.0341824 8 h after dark 0.0317347 0.0 0.0565423 12 h after dark 0.005979866666666667 0.0 0.0179396