condition mean min max 0 h after light 5.589230000000001 5.39872 5.77974 4 h after light 5.676495 5.61894 5.73405 8 h after light 5.517565 5.21253 5.8226 4 h after dark 7.398865 7.33365 7.46408 8 h after dark 6.1400950000000005 5.82212 6.45807 12 h after dark 5.611155 4.97496 6.24735