condition mean min max 3 h after light 37.163399999999996 30.8384 42.007 6 h after light 37.0221 21.3385 48.331 9 h after light 48.875933333333336 37.4339 63.3081 12 h after light 55.704125 47.5266 64.2015 3 h after dark 42.5053 38.4704 48.7854 6 h after dark 34.349666666666664 30.9879 39.9112 9 h after dark 29.791233333333334 24.7829 37.1211 12 h after dark 32.73265 29.7426 35.7227