condition mean min max 4 h after light 2826.7044159999996 2645.814728 3007.594104 8 h after light 3199.547027 3080.208046 3318.886008 12 h after light 3135.4305130000002 3023.229268 3247.631758 4 h after dark 2517.0374840000004 2329.791567 2704.283401 8 h after dark 2574.870066 2480.379224 2669.360908 12 h after dark 1846.847441 1846.847441 1846.847441