condition mean min max 3 h after light 1037.4915 833.516 1231.84 7 h after light 999.1286666666666 762.855 1173.56 11 h after light 1110.311 808.954 1408.96 2 h after dark 1033.9374166666666 774.347 1299.07 6 h after dark 1054.7864166666666 902.858 1286.43 10 h after dark 1082.9445 907.312 1269.19