|Yearly Weather Summary|
YEARLY RAINFALL SUMMARY
The first three months of 2013 (January-February-March) showed that rainfall collected from stations across the country were all above their normal as indicated in graph 1. The above normal rainfall for period (JFM) was due mainly to the high amounts of rainfall that occurred in the month of January.
In the period February-March-April which is climatologically the heart of the dry season, the rainfall that occurred during that period were all below normal for all stations except Belmopan which was slightly above normal as indicated in graph 2. These low rainfall totals in the FMA period resulted in much of the country experiencing moderate to severe meteorological drought.
The rainy season was right on time. Normally the rains start in the second week in the month of May in the south of the country and works its way to the north to start the rainy and the hurricane season which begins on 1st of June. By the end of the May-June-July period much of the country were already experiencing above normal rainfall as indicate in graph 5, these above normal rainfall relief the country from the drought it was experiencing in the FMA period..
In MJJ only one tropical system crossed the country which was Tropical Depression #2 which occurred on June 18, 2013. Tropical Depression # 2, along with several tropical waves and upper level troughs gave way to a wet MJJ season which resulted in much of the country receiving rainfall above normal.
The periods June-July-August (graph 6), August-September-October (graph 7), September-October-November (graph 8) and October-November-December (graph 9), all received rainfall above their normal.
For Belmopan, August-September-October period was the wettest in the historical records (ASO). The ASO total for 2013 was 1126.3mm or 44.3 inches. The second highest ASO in historical records for Belmopan was the year 2001 with a total of 1069.2mm or 42.1 inches. The average for ASO for Belmopan is for 675.9mm or 26.6 inches.
Libertad (Corozal) the period October-November-December (OND) was the wettest in the historical records from (1981-2013) a total of 667.6mm or 26.2inches. The second highest in the historical records was the year 1998 with a total of 656.4mm or 25.8 inches.
The rainfall received in December for Belize City (St.John’s College) was 507.4 mm or 20.0 inches the highest (wettest) monthly total on record for December from the Historical records from 1965 to 2013 for Belize City. The second highest monthly total for December was in 1976 which was 434.3mm or 17.1 inches. The average for December for Belize City is 194.3mm or 7.6mm.
2013 rainfall was above normal for all stations as indicated the table 1 and graph 10. Punta Gorda was the district that received the highest yearly total 4767.2mm or 187.7inches, but Belize City (St John’s College) received the highest percentage above the normal 45%.
Note: Stations in Red indicate that the total used to calculate the normal is less than 30 years