condition mean min max 0 h after light 56.20505 53.9888 58.4213 4 h after light 8.589765 8.30965 8.86988 8 h after light 29.52015 26.524 32.5163 4 h after dark 40.34785 36.7016 43.9941 8 h after dark 24.49705 22.9696 26.0245 12 h after dark 30.31845 13.8813 46.7556