condition mean min max 0 h after light 18.954 18.5765 19.3315 2 h after light 5.9369250000000005 5.42255 6.4513 4 h after light 3.02301 2.76835 3.27767 8 h after light 4.9126449999999995 3.83692 5.98837 12 h after light 16.98515 16.6811 17.2892 2 h after dark 22.6262 18.3598 26.8926 4 h after dark 23.73175 22.1395 25.324 8 h after dark 27.039 21.7615 32.3165 12 h after dark 19.4247 18.5075 20.3419