condition mean min max 4 h after light 85.9048 78.5956 93.214 8 h after light 130.3145 129.452 131.177 12 h after light 105.0926 96.4182 113.767 4 h after dark 114.3545 106.883 121.826 8 h after dark 113.7315 107.872 119.591 12 h after dark 100.1585 97.343 102.974