condition mean min max 4 h after light 926.1735865 740.759301 1111.587872 8 h after light 619.1633850000001 411.214346 827.112424 12 h after light 359.9509515 209.353737 510.548166 4 h after dark 606.181177 395.591836 816.770518 8 h after dark 1120.0490175 910.727009 1329.371026 12 h after dark 1283.433906 1283.433906 1283.433906