condition mean min max 4 h after light 2.0125366666666666 1.79091 2.26897 8 h after light 1.189568 0.115104 2.27014 12 h after light 0.846066 0.339102 1.34358 4 h after dark 2.001376666666667 1.04692 2.60013 8 h after dark 3.3254200000000003 2.24934 4.16237 12 h after dark 6.06042 5.53824 7.02119