condition mean min max 4 h after light 1505.4466666666667 1479.94 1553.54 8 h after light 825.8294444333334 799.1 867.565 12 h after light 737.98 541.36 861.0866667 1.5 h after dark 1028.9077779 882.6566667 1174.75 5.5 h after dark 1105.08 1023.11 1211.426667 9.5 h after dark 1345.3555556666665 1296.626667 1385.493333