condition mean min max 4 h after light 5.73149 4.91598 6.547 8 h after light 3.748395 3.66971 3.82708 12 h after light 1.585565 1.58541 1.58572 4 h after dark 1.3209600000000001 1.11917 1.64484 8 h after dark 1.1747393333333334 0.497918 1.86461 12 h after dark 2.31894 1.72458 3.01263