Multiple Temperature sensor with humidity and recoverable in csv and xml display

Dear Friends

i want to make temperature sensor with arduino

Details below

1- 8 temperature sensor with 250 c' temp

2- 1 humidity sensor

3- all reading record-able in csv or xml

4- 5 inch or 7 inch lcd display

5- voltage , wattage , amps

6- temperature to watt

If any idea please suggest me
My Mail Id Is
whatsapp no. +91 9723078146

Sounds like a plan.
A bunch of thermocouples, SD card for storage, some a code to glue it all together... Go for it!