condition mean min max 0 h after light 12.708200000000001 10.1643 15.2521 2 h after light 8.559625 6.79075 10.3285 4 h after light 5.7952449999999995 5.65773 5.93276 8 h after light 7.485945 7.25063 7.72126 12 h after light 9.450610000000001 7.29452 11.6067 2 h after dark 7.440435 6.4803 8.40057 4 h after dark 9.854489999999998 8.84208 10.8669 8 h after dark 12.32215 11.0291 13.6152 12 h after dark 12.68885 11.6812 13.6965