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

### Instruction:
 Joto la siku nne lilirekodiwa kwa Wayupnorth, Canada. Majoto yalikuwa: -36 digrii Fahrenheit, +13 digrii Fahrenheit, -15 digrii Fahrenheit, na -10 digrii Fahrenheit. Jumla ya digrii (Fahrenheit) ilikuwa ngapi kwa siku 4 zilizorekodiwa?


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