Below is an instruction that describes a task. Write a response that appropriately completes the request in Swahili. Please answer in Swahili.

### Instruction:
Four days' temperatures were recorded for Wayupnorth, Canada. The temperatures were: -36 degrees Fahrenheit, +13 degrees Fahrenheit, -15 degrees Fahrenheit, and -10 degrees Fahrenheit. What was the average number of degrees (Fahrenheit) in Wayupnorth, Canada on the 4 days recorded?

### Response:
 Wastani wa -36, +13, -15 na -10 ni (-36+13-15-10)/4 = <<(-36+13-15-10)/4=-18>>-18 digrii Fahrenheit.