condition mean min max 4 h after light 10.377275000000001 9.11415 11.6404 8 h after light 9.39519 8.98399 9.80639 12 h after light 9.038599999999999 8.7623 9.3149 4 h after dark 12.765566666666667 12.029 13.141 8 h after dark 11.530833333333334 10.9843 12.2929 12 h after dark 12.0136 11.1027 13.6063