condition mean min max 0 h after light 22.22905 21.7044 22.7537 4 h after light 27.218 24.532 29.904 8 h after light 26.8018 25.1018 28.5018 4 h after dark 32.8711 29.7077 36.0345 8 h after dark 35.92205 33.5246 38.3195 12 h after dark 29.595999999999997 22.5519 36.6401