condition mean min max 4 h after light 1056.2 1056.2 1056.2 8 h after light 960.6 924.0 997.2 12 h after light 1006.3499999999999 900.6 1112.1 4 h after dark 1091.9 1001.6 1182.2 8 h after dark 1268.0500000000002 1190.9 1345.2 12 h after dark 1250.3 1138.3 1362.3