Solar radiation in Chaiwan Solar radiation 15 days
In the following list by days you can know the forecast of the predicted solar radiation. To know the data hour by hour, click on the day that interests you. If you have a solar panel system, these data will be useful to predict the energy it will produce.
The unit of measurement for solar radiation is expressed in W/m2 (Watts per square meter).
Solar radiation
Today, July 3
Total: 3073 wh/m2Hours06:002 w/m2
07:0070 w/m2
08:00153 w/m2
09:00179 w/m2
10:00209 w/m2
11:00261 w/m2
12:00399 w/m2
13:00493 w/m2
14:00537 w/m2
15:00440 w/m2
16:00234 w/m2
17:0082 w/m2
18:0014 w/m2
Tomorrow, July 4
Total: 2631 wh/m2Hours06:004 w/m2
07:00102 w/m2
08:00235 w/m2
09:00306 w/m2
10:00190 w/m2
11:00396 w/m2
12:00229 w/m2
13:00371 w/m2
14:00385 w/m2
15:00199 w/m2
16:00118 w/m2
17:0063 w/m2
18:0033 w/m2
Friday, July 5
Total: 1783 wh/m2Hours06:002 w/m2
07:0042 w/m2
08:0097 w/m2
09:00149 w/m2
10:00190 w/m2
11:00217 w/m2
12:00229 w/m2
13:00224 w/m2
14:00243 w/m2
15:00166 w/m2
16:00118 w/m2
17:0070 w/m2
18:0036 w/m2
Saturday, July 6
Total: 2109 wh/m2Hours06:002 w/m2
07:0046 w/m2
08:00126 w/m2
09:00246 w/m2
10:00190 w/m2
11:00217 w/m2
12:00229 w/m2
13:00331 w/m2
14:00262 w/m2
15:00183 w/m2
16:00153 w/m2
17:0088 w/m2
18:0036 w/m2
Sunday, July 7
Total: 3007 wh/m2Hours06:005 w/m2
07:00144 w/m2
08:00379 w/m2
09:00454 w/m2
10:00544 w/m2
11:00396 w/m2
12:00297 w/m2
13:00224 w/m2
14:00203 w/m2
15:00166 w/m2
16:00118 w/m2
17:0063 w/m2
18:0014 w/m2
Monday, July 8
Total: 1710 wh/m2Hours06:001 w/m2
07:0041 w/m2
08:0097 w/m2
09:00148 w/m2
10:00189 w/m2
11:00217 w/m2
12:00229 w/m2
13:00224 w/m2
14:00203 w/m2
15:00166 w/m2
16:00118 w/m2
17:0064 w/m2
18:0013 w/m2
Tuesday, July 9
Total: 1709 wh/m2Hours06:001 w/m2
07:0041 w/m2
08:0096 w/m2
09:00148 w/m2
10:00189 w/m2
11:00217 w/m2
12:00229 w/m2
13:00224 w/m2
14:00203 w/m2
15:00166 w/m2
16:00118 w/m2
17:0064 w/m2
18:0013 w/m2
Wednesday, July 10
Total: 1825 wh/m2Hours06:001 w/m2
07:0045 w/m2
08:00106 w/m2
09:00148 w/m2
10:00189 w/m2
11:00217 w/m2
12:00229 w/m2
13:00224 w/m2
14:00223 w/m2
15:00200 w/m2
16:00153 w/m2
17:0076 w/m2
18:0014 w/m2
Thursday, July 11
Total: 1852 wh/m2Hours06:001 w/m2
07:0045 w/m2
08:00106 w/m2
09:00148 w/m2
10:00189 w/m2
11:00217 w/m2
12:00229 w/m2
13:00224 w/m2
14:00223 w/m2
15:00200 w/m2
16:00154 w/m2
17:0094 w/m2
18:0022 w/m2
Friday, July 12
Total: 4461 wh/m2Hours06:003 w/m2
07:00120 w/m2
08:00293 w/m2
09:00458 w/m2
10:00596 w/m2
11:00665 w/m2
12:00681 w/m2
13:00644 w/m2
14:00489 w/m2
15:00304 w/m2
16:00131 w/m2
17:0064 w/m2
18:0013 w/m2
Saturday, July 13
Total: 3255 wh/m2Hours06:001 w/m2
07:0048 w/m2
08:00114 w/m2
09:00177 w/m2
10:00227 w/m2
11:00341 w/m2
12:00454 w/m2
13:00510 w/m2
14:00475 w/m2
15:00401 w/m2
16:00293 w/m2
17:00176 w/m2
18:0038 w/m2
Sunday, July 14
Total: 3178 wh/m2Hours06:002 w/m2
07:0051 w/m2
08:00123 w/m2
09:00191 w/m2
10:00245 w/m2
11:00413 w/m2
12:00552 w/m2
13:00621 w/m2
14:00476 w/m2
15:00290 w/m2
16:00131 w/m2
17:0070 w/m2
18:0013 w/m2
Monday, July 15
Total: 5898 wh/m2Hours06:003 w/m2
07:00121 w/m2
08:00355 w/m2
09:00583 w/m2
10:00756 w/m2
11:00867 w/m2
12:00907 w/m2
13:00866 w/m2
14:00705 w/m2
15:00433 w/m2
16:00119 w/m2
17:00144 w/m2
18:0039 w/m2
Tuesday, July 16
Total: 2614 wh/m2Hours06:002 w/m2
07:00100 w/m2
08:00228 w/m2
09:00344 w/m2
10:00416 w/m2
11:00396 w/m2
12:00339 w/m2
13:00225 w/m2
14:00203 w/m2
15:00167 w/m2
16:00119 w/m2
17:0063 w/m2
18:0012 w/m2
Wednesday, July 17
Total: 3146 wh/m2Hours06:001 w/m2
07:0039 w/m2
08:00173 w/m2
09:00372 w/m2
10:00570 w/m2
11:00564 w/m2
12:00472 w/m2
13:00312 w/m2
14:00263 w/m2
15:00184 w/m2
16:00119 w/m2
17:0063 w/m2
18:0014 w/m2
To carry out the solar radiation forecast, the angle of incidence of solar radiation is taken into account, which depends, among others, on the declination, latitude, inclination and hour angle. The weather forecast is also taken into account, since, for example, on a cloudy day we would only have diffuse radiation, much less than direct radiation.