condition mean min max 0 h after light 0.165467 0.159369 0.171565 2 h after light 0.0 0.0 0.0 4 h after light 0.11859164999999999 0.0809653 0.156218 8 h after light 0.082293 0.0 0.164586 12 h after light 0.22193315000000002 0.0800313 0.363835 2 h after dark 0.1230545 0.0 0.246109 4 h after dark 0.079484 0.0 0.158968 8 h after dark 0.1312453 0.0896266 0.172864 12 h after dark 0.1668625 0.163607 0.170118