Evapotranspiration Calculations

North Island - January 2026 daily calculations

DateEvapotrans-
piration (mm) 0000- 2400
Rain (mm) 0900- 0900Pan Evaporation (mm) 0900- 0900Max TempMin TempMax Rel Hum (%)Min Rel Hum (%)Average 10m Wind Speed (m/sec)Solar Radiation (MJ/sq m)
01/01/2026 0.0 28.222.290658.70 
02/01/2026 0.0 28.121.393697.39 
03/01/2026 0.0 27.821.290677.50 
04/01/2026 0.0 28.021.091677.56 
05/01/2026 0.0 27.521.588669.07 
06/01/2026 0.0 27.221.284589.70 
07/01/2026 0.0 27.620.6815811.44 
08/01/2026   26.720.7826211.90 
09/01/2026 0.0 26.320.6775712.25 
10/01/2026 0.0 27.620.8794711.51 
11/01/2026 0.0 29.322.578538.56 
12/01/2026 0.0 26.921.7826410.30 
13/01/2026 0.0 27.220.1835010.18 
14/01/2026 0.0 28.621.291559.49 
15/01/2026 0.0 28.921.888597.88 
16/01/2026 0.0 27.722.285608.26 
17/01/2026 0.0 26.520.678539.88 
18/01/2026 0.0 27.020.3785610.24 
19/01/2026 0.0 28.821.084609.69 
20/01/2026 0.0 32.523.180458.02 
21/01/2026 0.0 34.724.277325.45 
22/01/2026 0.0 27.622.188668.60 
23/01/2026 0.0 27.421.376509.75 
24/01/2026 0.0 26.520.270537.64 
25/01/2026 0.0 27.120.580555.25 
26/01/2026 0.2 26.420.774458.93 
27/01/2026 0.0 25.719.4844111.42 
28/01/2026 0.6 26.818.8795112.24 
29/01/2026 0.0 29.021.984569.53 
30/01/2026 0.0 27.722.988709.42 
Totals: 0.8       

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