Observations on the weather in winter

3. Record days of ice appearance parameters puddles, icy conditions on the pond on the river, is the nearest creek. 4. Check the day when the ice began to walk people. 5. In early winter firmly set rail division in centimeters and decimetres (in the garden, in the field, in the woods). At the end of each month, record the thickness of snow cover. Watch how it changes during the winter. 6. At the end of the winter months to determine the thickness of ice on the closest body of water (pond, river). This should be done very carefully and begin measurements at the earliest time when the ice will walk and ride. 7. Record number of cloudy and sunny days on the decades of each month. 8. Celebrate the days of thaw, and the most severe frosts. 9. In late winter, check the appearance of thaw holes (craters) around tree trunks and stumps on the southern edge of the forest