1) Mitirka biyaha ee heerka 1aad (oo keliya khuseeya mitirka biyaha ee Q3≥100m3/saacaddii) heerkulka biyaha ee u dhexeeya 0.1℃ ilaa 30℃, qaladka ugu badan ee la oggol yahay ee mitirka biyaha ee aagga sare (Q2≤Q≤Q4) waa ±1%; Aagga hoose (Q1≤Q < Q2) wuxuu ahaa ±3%. Marka heerkulka biyuhu uu ka bato 30℃, qaladka ugu badan ee la oggol yahay ee mitirka biyaha ee aagga sare waa ±2%. Aagga hoose wali wuxuu ahaa ±3%.
2) Mitirka biyaha ee fasalka 2aad (lagu dabaqi karo Q3 < 100m3/saacaddii, sidoo kale lagu dabaqi karo Q3≥100m3/saacaddii mitirka biyaha) gudaha heerkulka biyaha 0.1℃ ilaa 30℃, qaladka ugu badan ee la oggol yahay ee mitirka biyaha ee aagga sare (Q2≤Q≤Q4) waa ±2%; Aagga hoose (Q1≤Q < Q2) wuxuu ahaa ±5%. Marka heerkulka biyuhu uu ka bato 30℃, qaladka ugu badan ee la oggol yahay ee mitirka biyaha ee aagga sare waa ±3%. Aagga hoose wali wuxuu ahaa ±5%. Heerka saxnaanta mitirka biyaha ee caadiga ah ee Lanry waa 2.
Waqtiga boostada: Sebtembar-13-2022