Solar radiation in Alton 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, December 3
Total: 2058 wh/m2Hours08:0085 w/m2
09:00222 w/m2
10:00327 w/m2
11:00381 w/m2
12:00381 w/m2
13:00326 w/m2
14:00232 w/m2
15:00103 w/m2
16:001 w/m2
Tomorrow, December 4
Total: 2018 wh/m2Hours08:0084 w/m2
09:00220 w/m2
10:00325 w/m2
11:00380 w/m2
12:00379 w/m2
13:00325 w/m2
14:00217 w/m2
15:0087 w/m2
16:001 w/m2
Thursday, December 5
Total: 1551 wh/m2Hours08:0046 w/m2
09:00142 w/m2
10:00233 w/m2
11:00284 w/m2
12:00297 w/m2
13:00267 w/m2
14:00193 w/m2
15:0088 w/m2
16:001 w/m2
Friday, December 6
Total: 2003 wh/m2Hours08:0077 w/m2
09:00209 w/m2
10:00311 w/m2
11:00368 w/m2
12:00372 w/m2
13:00326 w/m2
14:00234 w/m2
15:00105 w/m2
16:001 w/m2
Saturday, December 7
Total: 1857 wh/m2Hours08:0073 w/m2
09:00201 w/m2
10:00296 w/m2
11:00344 w/m2
12:00342 w/m2
13:00295 w/m2
14:00210 w/m2
15:0095 w/m2
16:001 w/m2
Sunday, December 8
Total: 1940 wh/m2Hours08:0071 w/m2
09:00201 w/m2
10:00301 w/m2
11:00357 w/m2
12:00363 w/m2
13:00319 w/m2
14:00226 w/m2
15:00101 w/m2
16:001 w/m2
Monday, December 9
Total: 1747 wh/m2Hours08:0064 w/m2
09:00182 w/m2
10:00275 w/m2
11:00327 w/m2
12:00329 w/m2
13:00289 w/m2
14:00194 w/m2
15:0086 w/m2
16:001 w/m2
Tuesday, December 10
Total: 1557 wh/m2Hours08:0050 w/m2
09:00152 w/m2
10:00238 w/m2
11:00287 w/m2
12:00293 w/m2
13:00261 w/m2
14:00189 w/m2
15:0086 w/m2
16:001 w/m2
Wednesday, December 11
Total: 1796 wh/m2Hours08:0063 w/m2
09:00184 w/m2
10:00279 w/m2
11:00330 w/m2
12:00336 w/m2
13:00293 w/m2
14:00213 w/m2
15:0097 w/m2
16:001 w/m2
Thursday, December 12
Total: 1947 wh/m2Hours08:0066 w/m2
09:00198 w/m2
10:00302 w/m2
11:00359 w/m2
12:00365 w/m2
13:00320 w/m2
14:00231 w/m2
15:00105 w/m2
16:001 w/m2
Friday, December 13
Total: 1965 wh/m2Hours08:0064 w/m2
09:00197 w/m2
10:00303 w/m2
11:00362 w/m2
12:00371 w/m2
13:00327 w/m2
14:00234 w/m2
15:00105 w/m2
16:002 w/m2
Saturday, December 14
Total: 1321 wh/m2Hours08:0046 w/m2
09:00186 w/m2
10:00307 w/m2
11:00343 w/m2
12:00268 w/m2
13:0084 w/m2
14:0060 w/m2
15:0027 w/m2
Sunday, December 15
Total: 635 wh/m2Hours08:0019 w/m2
09:0055 w/m2
10:0077 w/m2
11:0093 w/m2
12:0095 w/m2
13:0084 w/m2
14:00129 w/m2
15:0081 w/m2
16:002 w/m2
Monday, December 16
Total: 1978 wh/m2Hours08:0061 w/m2
09:00198 w/m2
10:00307 w/m2
11:00370 w/m2
12:00380 w/m2
13:00336 w/m2
14:00236 w/m2
15:0089 w/m2
16:001 w/m2
Tuesday, December 17
Total: 1443 wh/m2Hours08:0015 w/m2
09:0049 w/m2
10:0077 w/m2
11:00274 w/m2
12:00359 w/m2
13:00335 w/m2
14:00235 w/m2
15:0098 w/m2
16:001 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.
