condition mean min max 0 h after light 6.347625 5.96157 6.73368 4 h after light 5.107025 4.51849 5.69556 8 h after light 4.59923 4.31506 4.8834 4 h after dark 5.520284999999999 4.80256 6.23801 8 h after dark 6.11489 5.79627 6.43351 12 h after dark 5.978285 5.37703 6.57954