condition mean min max 4 h after light 0.3015405 0.300368 0.302713 8 h after light 0.5737305 0.490516 0.656945 12 h after light 1.045291 0.898612 1.19197 4 h after dark 0.1327975 0.0 0.265595 8 h after dark 1.2429350000000001 0.78027 1.7056 12 h after dark 1.0808335 0.870007 1.29166