condition mean min max 4 h after light 4.5365899999999995 4.5105699999999995 4.56963 8 h after light 4.5447033333333335 4.43725 4.69639 12 h after light 4.493456666666667 4.36149 4.67275 4 h after dark 4.486276666666667 4.47072 4.51431 8 h after dark 4.569073333333333 4.40806 4.80894 12 h after dark 4.57775 4.51119 4.61209