condition mean min max 0 h after light 6.5091 6.43605 6.58215 2 h after light 4.731915 4.40578 5.05805 4 h after light 4.0199050000000005 3.68014 4.35967 8 h after light 5.139865 4.32037 5.95936 12 h after light 5.585515 5.17126 5.99977 2 h after dark 5.69768 5.63211 5.76325 4 h after dark 5.410935 5.258 5.56387 8 h after dark 5.69235 5.35214 6.03256 12 h after dark 5.672815 5.50601 5.83962