condition mean min max 3 h after light 15.3174 11.3253 17.5494 6 h after light 19.2984 14.6416 24.1504 9 h after light 54.16043333333334 42.7593 67.6924 12 h after light 73.65086666666667 61.0868 83.013 3 h after dark 64.412 58.7822 68.3599 6 h after dark 40.53126666666667 35.1324 49.6425 9 h after dark 29.15426666666667 22.4398 36.3277 12 h after dark 15.3655 10.2962 23.6162