Annual Variability of Wing Morphology in Culex sitiens Wiedemann (Diptera, Culicidae) Mosquito Vectors from the Coastal Area of Samut Songkhram Province, Thailand

Table 1

Annual rainfall and annual average temperature ranges of Samut Songkhram Province in 2015–2017.

Year	Annual rainfall range	Comparison with the normal criteria of Thailand	Annual average temperature range	Comparison with the normal criteria of Thailand
2015	800–1000 mm	50–100 mm less than normal criteria [10]	28–30°C	0.5°C higher than normal criteria [10]
2016	1000–1400 mm	100–200 mm more than normal criteria [11]	28–30°C	0.5°C higher than normal criteria [11]
2017	1200–1600 mm	200–400 mm more than normal criteria [12]	28–30°C	0.5°C higher than normal criteria [12]

According to the data of the Meteorological Department of Thailand, the normal criteria for annual rainfall and annual average temperature are the thirty-year averages (1981–2010). ^†mm, millimeter; ^‡°C, degrees Celsius.