condition mean min max 4 h after light 5.30869 4.41255 6.20483 8 h after light 4.868405 3.7446 5.99221 12 h after light 2.1558650000000004 2.02884 2.28289 4 h after dark 3.07302 2.44097 3.68204 8 h after dark 0.6556826666666666 0.449153 0.918195 12 h after dark 2.2931266666666668 1.69654 3.11567