condition mean min max 4 h after light 6203.326211 5462.699992 6943.95243 8 h after light 4412.182838000001 3821.900869 5002.464807 12 h after light 5540.9142305000005 5450.06968 5631.758781 4 h after dark 3996.079828 3402.273753 4589.885903 8 h after dark 3186.4736464999996 2316.406102 4056.541191 12 h after dark 6720.616672 6720.616672 6720.616672