Measurements
The different measurements were taken using the following instruments:
Global irradiance on horizontal plane
- Kipp & Zonen CMP10
- Delta-T Devices SPN1
Diffuse irradiance on horizontal plane
- Delta-T Devices SPN1
Global irradiance on tilted plane
- LiCor Li200
Average monthly day
For each month, the day with daily global horizontal irradiation closest to the monthly average is selected.
| Year/Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2014 | TT1401 | TT1402 | TT1403 | TT1404 | TT1405 | TT1406 | TT1407 | TT1408 | TT1409 | TT1410 | TT1411 | TT1412 |
| 2013 | TT1301 | TT1302 | TT1303 | TT1304 | TT1305 | TT1306 | TT1307 | TT1308 | TT1309 | TT1310 | TT1311 | TT1312 |
| 2012 | TT1201 | TT1202 | TT1203 | TT1204 | TT1205 | TT1206 | TT1207 | TT1208 | TT1209 | TT1210 | TT1211 | TT1212 |
| 2011 | TT1101 | TT1102 | TT1103 | TT1104 | TT1105 | TT1106 | TT1107 | TT1108 | TT1109 | TT1110 | TT1111 | TT1112 |
| 2010 | — | — | — | — | TT1005 | TT1006 | TT1007 | TT1008 | TT1009 | TT1010 | TT1011 | TT1012 |