Evapotranspiration Calculations

Merriwa (Roscommon) - 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)
01/01/20267.90.0 30.613.689356.5530.76
02/01/20266.90.0 29.314.782407.0623.04
03/01/20266.40.0 32.912.095364.0222.35
04/01/20266.426.2 34.217.293334.5018.02
05/01/20266.92.0 34.013.497283.5424.21
06/01/20266.621.4 32.014.598373.0329.11
07/01/20268.00.0 35.417.295223.0831.71
08/01/20267.80.0 37.516.291162.2831.66
09/01/20268.40.0 37.515.083203.0431.61
10/01/202610.10.0 36.819.458255.4031.55
11/01/20267.30.0 29.220.789387.1327.03
12/01/20264.90.2 26.415.788547.0017.39
13/01/20266.70.0 31.617.689394.4825.02
14/01/20265.64.6 30.218.997514.5922.39
15/01/20265.525.2 31.518.897573.8823.42
16/01/20265.910.0 30.517.598493.6926.03
17/01/20265.80.2 28.715.694485.7823.18
18/01/20265.60.0 27.017.194537.8123.66
19/01/20265.60.6 26.315.393496.2524.79
20/01/20265.90.0 27.613.096374.8324.36
21/01/20266.40.0 30.911.097292.5129.93
22/01/20268.90.0 33.914.592205.4930.15
23/01/20267.00.0 28.615.285395.9728.92
24/01/20268.00.0 36.912.696203.1529.31
25/01/20267.60.0 40.014.697161.9930.36
26/01/20269.20.0 36.017.874345.9830.20
27/01/20267.60.0 31.814.188365.1630.15
28/01/20268.60.0 38.212.197113.1730.05
29/01/20268.40.0 34.117.387265.2328.76
30/01/20266.70.0 35.316.095222.4126.69
Totals:212.690.4       

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