condition mean min max 0 h after light 1.700462 0.679214 2.72171 4 h after light 1.0101025 0.346035 1.67417 8 h after light 1.6945099999999997 1.0371 2.35192 4 h after dark 1.5055325 0.667075 2.34399 8 h after dark 2.85428 2.69832 3.01024 12 h after dark 1.341825 1.32705 1.3566