National Geographic : 1905 Jun
- -40 z ture; arrows point in direction wind is blowing; figur I than light. O clear; partly cloudy; * cloudy; R rain; S snow. w HIGH indicates center of anticyclone, or high-pressure 71 area; LOW indicates center of cyclone, or low-pressure area. Large figures show average temperature in each quad rant of cyclone. Shading shows precipitation area of last 24 hours. / Shading shows precipitation area of last 24 hours. CHART V.-Cold Wave, January 8, i886, 7 A. M.