condition mean min max 4 h after light 5.292892999999999 3.7998410000000002 8.039489999999999 8 h after light 2.771865 1.903888 3.2478130000000003 12 h after light 4.992983000000001 2.04346 6.471211 16 h after light 4.060559666666666 3.6023059999999996 4.319681 4 h after dark 4.9180486666666665 4.505372 5.180795 8 h after dark 5.200741666666667 4.247971 6.5592809999999995