On Sat, 16 Jun 2007, XUNQIANG BI wrote: > > Latent Heat = evporation * 2.51040e6 (if Tas > 0C) > > = evporation * 2.844e6 (if Tas <= 0C) Precisely, to convert to unit of W/m**2 Latent Heat = evporation * 2.51040e6/86400 (if Tas > 0C) = evporation * 2.844e6/86400 (if Tas < 0C)