condition mean min max 0 h after light 7.8345 7.4499 8.2191 2 h after light 4.600925 4.18072 5.02113 4 h after light 3.718345 3.29908 4.13761 8 h after light 1.676895 1.34308 2.01071 12 h after light 1.816325 1.61987 2.01278 2 h after dark 1.613295 1.56252 1.66407 4 h after dark 2.0967450000000003 1.83215 2.36134 8 h after dark 3.501615 3.42947 3.57376 12 h after dark 8.01512 7.13224 8.898