condition mean min max 4 h after light 9.014206666666666 8.767560000000001 9.15607 8 h after light 10.782053333333334 10.58225 10.92111 12 h after light 10.883373333333333 10.772780000000001 10.9724 4 h after dark 10.347953333333333 10.24415 10.46648 8 h after dark 9.783900000000001 9.49376 10.14851 12 h after dark 9.00917 8.84607 9.09265