condition mean min max 0 h after light 21.556350000000002 19.9038 23.2089 2 h after light 16.519350000000003 15.7284 17.3103 4 h after light 14.698450000000001 13.8907 15.5062 8 h after light 12.69115 11.9246 13.4577 12 h after light 19.254800000000003 17.6792 20.8304 2 h after dark 22.00575 21.6914 22.3201 4 h after dark 19.936349999999997 19.0525 20.8202 8 h after dark 25.80525 25.1364 26.4741 12 h after dark 23.352249999999998 20.4274 26.2771