condition mean min max 3 h after light 0.056569 0.0 0.169707 6 h after light 0.0 0.0 0.0 9 h after light 0.08188733333333333 0.0 0.245662 12 h after light 0.20632324999999999 0.0 0.594065 3 h after dark 2.6731833333333332 2.4069 3.18894 6 h after dark 2.30511 1.87343 2.66908 9 h after dark 2.15628 1.6264 2.96823 12 h after dark 0.4074275 0.126325 0.68853