Table 1 The effect of mean temperature on the duration of mosquito's life cycle and sporogonic cycle and its effect on the amount of lead time from the availability of breeding sites to the occurrence of malaria cases.
Weather factors | Stages and duration of mosquito's life cycle and sporogony cycle affected by weather factors | ||
|---|---|---|---|
Mean temperature (Rainfall temperature) | Availability of breeding sites ----------------→ Malaria | ||
Mosquito's life cycle* | Sporogony†| Incubation period in human host | |
Larva ----→ Adult(days) | Adult first bite ----→ Infectious bite (days) | ||
16°C | 47 | 111 | (10–16 days) |
17°C | 37 | 56 |  |
18°C | 31 | 28 |  |
20°C | 23 | 19 |  |
22°C | 18 | 7.9 |  |
30°C | 10 | 5.8 |  |
35°C | 7.9 | 4.8 |  |
39°C | 6.7 | 4.8 |  |
40°C | 6.5 | 4.8 |  |