Solar radiation in Washington DC, Reagan National Airport 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, February 19
Total: 1934 wh/m2Hours08:0061 w/m2
09:00162 w/m2
10:00229 w/m2
11:00254 w/m2
12:00262 w/m2
13:00259 w/m2
14:00269 w/m2
15:00230 w/m2
16:00150 w/m2
17:0058 w/m2
Tomorrow, February 20
Total: 2864 wh/m2Hours07:001 w/m2
08:0078 w/m2
09:00190 w/m2
10:00297 w/m2
11:00372 w/m2
12:00405 w/m2
13:00410 w/m2
14:00419 w/m2
15:00358 w/m2
16:00245 w/m2
17:0089 w/m2
Friday, February 21
Total: 4465 wh/m2Hours07:002 w/m2
08:00157 w/m2
09:00350 w/m2
10:00512 w/m2
11:00623 w/m2
12:00677 w/m2
13:00669 w/m2
14:00599 w/m2
15:00472 w/m2
16:00300 w/m2
17:00104 w/m2
Saturday, February 22
Total: 4476 wh/m2Hours07:003 w/m2
08:00161 w/m2
09:00355 w/m2
10:00515 w/m2
11:00626 w/m2
12:00678 w/m2
13:00668 w/m2
14:00597 w/m2
15:00469 w/m2
16:00299 w/m2
17:00105 w/m2
Sunday, February 23
Total: 4331 wh/m2Hours07:004 w/m2
08:00158 w/m2
09:00343 w/m2
10:00496 w/m2
11:00603 w/m2
12:00651 w/m2
13:00642 w/m2
14:00578 w/m2
15:00457 w/m2
16:00293 w/m2
17:00106 w/m2
Monday, February 24
Total: 4265 wh/m2Hours07:005 w/m2
08:00153 w/m2
09:00332 w/m2
10:00482 w/m2
11:00587 w/m2
12:00640 w/m2
13:00635 w/m2
14:00572 w/m2
15:00456 w/m2
16:00295 w/m2
17:00108 w/m2
Tuesday, February 25
Total: 3801 wh/m2Hours07:006 w/m2
08:00142 w/m2
09:00300 w/m2
10:00425 w/m2
11:00507 w/m2
12:00549 w/m2
13:00535 w/m2
14:00526 w/m2
15:00425 w/m2
16:00280 w/m2
17:00106 w/m2
Wednesday, February 26
Total: 4430 wh/m2Hours07:008 w/m2
08:00171 w/m2
09:00358 w/m2
10:00515 w/m2
11:00615 w/m2
12:00656 w/m2
13:00633 w/m2
14:00581 w/m2
15:00468 w/m2
16:00307 w/m2
17:00118 w/m2
Thursday, February 27
Total: 3891 wh/m2Hours07:009 w/m2
08:00152 w/m2
09:00312 w/m2
10:00444 w/m2
11:00535 w/m2
12:00572 w/m2
13:00564 w/m2
14:00512 w/m2
15:00412 w/m2
16:00272 w/m2
17:00107 w/m2
Friday, February 28
Total: 4542 wh/m2Hours07:0012 w/m2
08:00175 w/m2
09:00355 w/m2
10:00507 w/m2
11:00616 w/m2
12:00669 w/m2
13:00662 w/m2
14:00607 w/m2
15:00489 w/m2
16:00323 w/m2
17:00127 w/m2
Saturday, March 1
Total: 4030 wh/m2Hours07:0015 w/m2
08:00189 w/m2
09:00375 w/m2
10:00526 w/m2
11:00629 w/m2
12:00673 w/m2
13:00657 w/m2
14:00514 w/m2
15:00306 w/m2
16:0083 w/m2
17:0063 w/m2
Sunday, March 2
Total: 1226 wh/m2Hours07:004 w/m2
08:0050 w/m2
09:0099 w/m2
10:00140 w/m2
11:00168 w/m2
12:00181 w/m2
13:00178 w/m2
14:00160 w/m2
15:00128 w/m2
16:0084 w/m2
17:0034 w/m2
Monday, March 3
Total: 1268 wh/m2Hours07:005 w/m2
08:0052 w/m2
09:00101 w/m2
10:00141 w/m2
11:00169 w/m2
12:00182 w/m2
13:00179 w/m2
14:00161 w/m2
15:00129 w/m2
16:0085 w/m2
17:0064 w/m2
Tuesday, March 4
Total: 1387 wh/m2Hours07:0010 w/m2
08:0078 w/m2
09:00132 w/m2
10:00142 w/m2
11:00170 w/m2
12:00183 w/m2
13:00180 w/m2
14:00162 w/m2
15:00130 w/m2
16:0086 w/m2
17:00114 w/m2
Wednesday, March 5
Total: 5041 wh/m2Hours07:0027 w/m2
08:00217 w/m2
09:00414 w/m2
10:00575 w/m2
11:00685 w/m2
12:00737 w/m2
13:00726 w/m2
14:00653 w/m2
15:00520 w/m2
16:00341 w/m2
17:00145 w/m2
18:001 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.