condition mean min max 0 h after light 3.295495 2.8409 3.75009 2 h after light 1.49756 1.32545 1.66967 4 h after light 1.98116 1.63376 2.32856 8 h after light 3.29147 2.5819 4.00104 12 h after light 2.93124 2.92943 2.93305 2 h after dark 5.23069 4.74172 5.71966 4 h after dark 5.3148 4.67227 5.95733 8 h after dark 6.46812 5.7802 7.15604 12 h after dark 4.40259 4.13499 4.67019