bhoomadhyarekheeya jalavaayu


bhoomadhya rekha ke sameep uske donon or 5 degree uttari evam 5 degree dakshini akshaanshon ke madhya mukhyat: kaango nadi (jaayar) ke besin evam gini tat mein bhoomadhyarekheeya jalavaayu pai jaati hai. bhoomadhya rekha ki sameepata ke kaaran yahaaain varsh bhar garm va nam jalavaayu pai jaati hai. varsh bhar pratidin din ke teesare pahar baadalon ki garaj evam bijli ki chamak ke saath moosalaadhaar sanvaahanik varsha hoti hai. ise chaar baje waali varsha bhi kehte hain. vaarshik varsha ka ausat 200 se 250 seinteemeetar hai.