condition mean min max 4 h after light 39.6007 33.5813 45.6201 8 h after light 28.22475 26.0539 30.3956 12 h after light 28.3819 27.6108 29.153 4 h after dark 29.981166666666667 28.724 30.6797 8 h after dark 31.162200000000002 28.4357 33.8361 12 h after dark 34.4539 33.5147 35.2629