condition mean min max 4 h after light 1.153375 1.00462 1.30213 8 h after light 1.1130900000000001 1.08308 1.1431 12 h after light 3.36676 3.30209 3.43143 4 h after dark 2.5889933333333333 1.54371 3.80669 8 h after dark 2.6639566666666665 2.07154 3.33892 12 h after dark 4.13675 1.44559 6.82731