a, Weather:
- From day 21 to day 26: the influence of cold dry air increased on 22, 25, so the weather will be less cloudy, not rainy at night, sunny on day. Northern wind level 2, level 3. The weather is cold, from 24 to 26 will be freezing.
- From day 27 to day 29: the influence of weaken cold air so on 27, it will have small amounts of precipitation, then not rainny, and sunny. Northern wind level 3. The weather is cold.
- Day 30, 31 have the effect of increase cold air so it will have small amounts of precipitation. Northern wind level 3. The weather is cold.
- Total rainfall: less than 5 mm, with 1 to 2 days of rain.
- Temperature: Average 15.0 ÷ 16.0 ° C;
Highest: 20 ÷ 22 ° C; Lowest: 10 ÷ 12 ° C, mountainous areas: 8 ÷ 10 ° C.
- Relative humidity: 70 ÷ 73% average lower than the average of many years; Lowest: 35 ÷ 40%;
- Sunshine: A total of 30 ÷ 40 hours.
b, Hydrology:
- Tidal: Top tidal this week at high. Hight tide on the day 24 ÷ 28, low tide on days 21, 31.
According to Ha Nam Hydrometeorological Center.