condition mean min max 3 h after light 0.36574833333333334 0.0 0.635208 6 h after light 0.0 0.0 0.0 9 h after light 0.158284 0.0 0.294897 12 h after light 0.28491612499999996 0.0 0.762218 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0822949 0.0720527 0.0925371