condition mean min max 4 h after light 2.10128 1.40508 2.79748 8 h after light 2.050405 1.16903 2.93178 12 h after light 0.824682 0.603534 1.04583 4 h after dark 2.11602 1.85274 2.37973 8 h after dark 1.51975 0.0 2.60158 12 h after dark 1.88121 0.0 3.37529