condition mean min max 0 h after light 28.284100000000002 28.1461 28.4221 4 h after light 7.267955 6.84488 7.69103 8 h after light 4.56043 4.42534 4.69552 4 h after dark 7.795265 7.50479 8.08574 8 h after dark 8.24564 7.54294 8.94834 12 h after dark 15.39395 11.1518 19.6361