condition mean min max 2 h after light 1128.83 1117.8 1143.6 6 h after light 1121.97 1091.24 1163.67 10 h after light 1175.9066666666668 1133.31 1254.24 2 h after dark 1095.8333333333333 1060.4 1155.74 6 h after dark 1178.7 1165.29 1188.53 10 h after dark 1143.65 1105.72 1163.47