condition mean min max 4 h after light 9.7356055 9.466989 10.004222 8 h after light 9.459832500000001 8.915443 10.004222 12 h after light 10.0404035 10.004222 10.076585 4 h after dark 10.254120499999999 10.141265 10.366976 8 h after dark 10.004222 10.004222 10.004222 12 h after dark 10.085273 10.085273 10.085273