condition mean min max 4 h after light 1702.5567815 1130.847441 2274.266122 8 h after light 2134.744677 1671.838611 2597.650743 12 h after light 1812.919975 1653.078211 1972.761739 4 h after dark 1667.1286445 1250.158775 2084.098514 8 h after dark 1304.028694 1256.586775 1351.470613 12 h after dark 1183.18875 1183.18875 1183.18875