condition mean min max 4 h after light 11.082396666666666 10.91112 11.23983 8 h after light 11.330463333333334 11.176630000000001 11.42418 12 h after light 11.47323 11.2671 11.6465 4 h after dark 11.072446666666666 10.840019999999999 11.23133 8 h after dark 10.97012 10.77619 11.082230000000001 12 h after dark 10.66763 10.38183 10.81836