condition mean min max 4 h after light 10.170639999999999 9.25488 11.0864 8 h after light 8.89539 8.42392 9.36686 12 h after light 9.712579999999999 8.98006 10.4451 4 h after dark 11.6392 11.5646 11.7138 8 h after dark 10.088180000000001 9.28326 10.8931 12 h after dark 9.92164 9.38958 10.4537