condition mean min max 0 h after light 24.3195 21.9293 26.7097 2 h after light 30.33355 28.2348 32.4323 4 h after light 19.5417 19.0155 20.0679 8 h after light 13.14715 11.9043 14.39 12 h after light 21.54175 19.5763 23.5072 2 h after dark 27.360500000000002 26.3556 28.3654 4 h after dark 22.36775 22.0902 22.6453 8 h after dark 30.56175 29.5803 31.5432 12 h after dark 31.305500000000002 27.7599 34.8511