condition mean min max 4 h after light 223.9 223.9 223.9 8 h after light 390.2 256.1 524.3 12 h after light 478.29999999999995 426.8 529.8 4 h after dark 823.1500000000001 444.9 1201.4 8 h after dark 1697.0 1017.5 2376.5 12 h after dark 1943.5 1349.3 2537.7