condition mean min max 4 h after light 3910.0 3910.0 3910.0 8 h after light 3368.3500000000004 2388.4 4348.3 12 h after light 4097.6 3239.5 4955.7 4 h after dark 3895.7 3534.2 4257.2 8 h after dark 2968.6000000000004 2681.8 3255.4 12 h after dark 2667.6499999999996 2579.2 2756.1