condition mean min max 4 h after light 4.012465000000001 3.32322 4.70171 8 h after light 4.576700000000001 4.33115 4.82225 12 h after light 5.786065 5.199 6.37313 4 h after dark 9.186395000000001 9.09803 9.27476 8 h after dark 6.72481 6.56001 6.88961 12 h after dark 6.125014999999999 5.77126 6.47877