condition mean min max 4 h after light 1.604865 1.38379 1.82594 8 h after light 4.21333 4.04574 4.38092 12 h after light 4.46939 4.05373 4.88505 4 h after dark 6.342583333333333 6.07224 6.50266 8 h after dark 3.5953933333333334 3.39433 3.74425 12 h after dark 2.62398 1.82099 3.33999