condition mean min max 4 h after light 12.817979000000001 12.11496 13.520998 8 h after light 10.6436995 10.25295 11.034449 12 h after light 11.791373499999999 10.761118 12.821629 4 h after dark 11.549025 11.075652 12.022398 8 h after dark 12.320806000000001 12.307485 12.334127 12 h after dark 11.003598 11.003598 11.003598