condition mean min max 0 h after light 17.0649 16.865 17.2648 4 h after light 9.493435000000002 8.47577 10.5111 8 h after light 7.07644 6.78187 7.37101 4 h after dark 9.058499999999999 8.90012 9.21688 8 h after dark 10.594650000000001 10.0188 11.1705 12 h after dark 12.9084 10.0776 15.7392