condition mean min max 4 h after light 0.09648175 0.0807665 0.112197 8 h after light 0.12456400000000001 0.105167 0.143961 12 h after light 0.229966 0.180215 0.279717 4 h after dark 0.4110145 0.333056 0.488973 8 h after dark 0.174318 0.159607 0.189029 12 h after dark 0.127135 0.103388 0.150882