condition mean min max 4 h after light 341.1296 323.8125 350.69 8 h after light 273.3716 131.2451 401.7609 12 h after light 470.6641666666667 425.3874 498.9604 16 h after light 436.50333333333333 337.2452 534.9767 4 h after dark 506.5108666666667 476.1299 565.5877 8 h after dark 431.68289999999996 341.4225 531.9703