condition mean min max 3 h after light 9.260703333333334 7.36713 11.2791 6 h after light 7.916163333333333 6.58133 9.06834 9 h after light 8.995759999999999 8.33157 9.78064 12 h after light 10.0526225 9.78119 10.4467 3 h after dark 9.26805 8.33796 9.77574 6 h after dark 7.99455 7.47336 8.45349 9 h after dark 7.314133333333333 6.1417 8.43661 12 h after dark 6.39253 5.9925 6.79256