condition mean min max 4 h after light 1502.9327776666667 1066.845 2001.72 8 h after light 1554.1616666666666 933.085 1963.87 12 h after light 1519.42 1160.7 2156.526667 1.5 h after dark 1262.4722219999999 1105.373333 1557.58 5.5 h after dark 945.7322221000001 874.34 1035.883333 9.5 h after dark 1510.9055556666667 1387.093333 1741.376667