condition mean min max 4 h after light 23.419333333333334 17.8509 27.4136 8 h after light 18.45808 4.26194 29.5459 12 h after light 16.56773666666667 8.93481 22.9541 4 h after dark 24.296499999999998 19.1468 27.5331 8 h after dark 14.78767 8.99611 22.1551 12 h after dark 17.541900000000002 15.4771 19.5072