condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0267709 0.0 0.0571724 3 h after dark 0.057990400000000004 0.0 0.0946223 6 h after dark 0.08279996666666667 0.0451301 0.108992 9 h after dark 0.050347333333333334 0.0 0.122318 12 h after dark 0.01216015 0.0 0.0243203