condition mean min max 4 h after light 63.980630500000004 62.480949 65.480312 8 h after light 79.79420099999999 76.193947 83.394455 12 h after light 63.234466999999995 45.208605 81.260329 4 h after dark 70.5549465 69.738295 71.371598 8 h after dark 61.275203499999996 57.150256 65.400151 12 h after dark 41.830079 41.830079 41.830079