condition mean min max 0 h after light 12.8314 10.5448 15.118 2 h after light 11.1594 11.0642 11.2546 4 h after light 10.03527 9.75674 10.3138 8 h after light 5.96744 5.69943 6.23545 12 h after light 6.943685 6.63157 7.2558 2 h after dark 7.07226 6.03677 8.10775 4 h after dark 5.66953 5.58842 5.75064 8 h after dark 11.07905 10.7964 11.3617 12 h after dark 12.12115 10.8878 13.3545