A majority of Rwanda's 478 health centers, and many of its 35 district hospitals, can be accessed only via poorly maintained unpaved roads, which often spiral into its famed "thousand hills" and are difficult to traverse by vehicle, particularly during the twice-yearly rainy season.
Average yearly rain fall is 1.822 mm with about 82 rainy days, especially from November to April, with the peak in December until March.
A new constitutional amendment requires a yearly deposit in the state's rainy-day fund.
Total rainfall for the 2010-11 seasonseason has reached 15.78 inches, slightly higher than the 15.1 yearly average, largely due to an unusually rainy December, he said.
NDVI measurements include mean annual NDVI (NDMEAN), maximum annual NDVI (NDMAX), maximum NDVI during the yearly period of the commencement of the rainy season when new vegetation occurs (NDGR), minimum NDVI during the yearly period with the least amount of new vegetation (NDBR), and NDVI seasonality (NDGRBR).
High percentages of the yearly total precipitation concentration in a few very rainy days can increase the risks of floods and soil instability.
North Kodi has the lowest average of the rainfall rate among the districts in Southwest Sumba with the rate of 161,5 mm per year and the average of rainy days is only 8 days yearly.
Using MNRA and the monitored data of daily streamflow and meteorological factors (including precipitation, evaporation, wind speed, water vapor pressure and relative humidity) from 2003 to 2012, we determined the daily, monthly, and yearly variations in baseflow from ChangLe River watershed, a typical rainy agricultural watershed in eastern China.
The analysed AWS data gives insight into yearly accumulated rainfall, maximum hourly accumulated rainfall, mean hourly accumulated rainfall, number of rainy days and number of rainy hours from 668 AWS locations.
The territory west of the Andes Mountains is one of the world's most inhospitable: cool, rainy maritime conditions prevail throughout the year, and the yearly temperature range approximates 36 to 55 °F (2 to 13 °C).
