condition mean min max 4 h after light 191.311232 120.142726 262.479738 8 h after light 147.0565145 104.034818 190.078211 12 h after light 85.126276 83.020408 87.232144 4 h after dark 164.76075250000002 135.366092 194.155413 8 h after dark 187.4491775 166.690564 208.207791 12 h after dark 253.577678 253.577678 253.577678