2004年４月
| 日付 | 累積発電量 (kWh) |
当日発電量 (kWh) |
日照時間 (h) |
天気概況 (昼) |
備考 |
| 2004.3.23 | 1122 | 2 | - | 曇 | |
| 3.24 | 1138 | 16 | 3.7 | 曇一時晴後雨 | |
| 3.25 | 1146 | 8 | - | 曇 | |
| 3.26 | 1164 | 18 | 6.6 | 曇後晴 | |
| 3.27 | 1185 | 21 | 11.0 | 晴後薄曇 | |
| 3.28 | 1206 | 21 | 11.3 | 快晴 | |
| 3.29 | 1225 | 19 | 9.7 | 晴後薄曇 | |
| 3.30 | 1233 | 8 | 2.3 | 曇後雨 | |
| 3.31 | 1254 | 21 | 10.2 | 晴 | |
| 4.1 | 1275 | 21 | 10.8 | 晴 | |
| 4.2 | 1291 | 16 | 6.7 | 雨後晴 | |
| 4.3 | 1312 | 21 | 10.3 | 晴 | |
| 4.4 | 1314 | 2 | - | 雨 | |
| 4.5 | 1336 | 22 | 10.5 | 晴 | |
| 4.6 | 1353 | 17 | 7.9 | 薄曇一時晴 | |
| 4.7 | 1370 | 17 | 8.2 | 晴 | |
| 4.8 | 1388 | 18 | 6.5 | 曇後晴 | |
| 4.9 | 1409 | 21 | 11.3 | 快晴 | |
| 4.10 | 1431 | 22 | 11.3 | 晴 | |
| 4.11 | 1447 | 16 | 5.9 | 薄曇 | |
| 4.12 | 1468 | 21 | 11.2 | 晴 | |
| 4.13 | 1486 | 18 | 9.8 | 晴後薄曇 | |
| 4.14 | 1493 | 7 | 0.1 | 曇後雨 | |
| 4.15 | 1514 | 21 | 11.3 | 晴時々薄曇 | |
| 4.16 | 1532 | 18 | 7.7 | 晴時々曇 | |
| 4.17 | 1551 | 19 | 10.4 | 晴一時薄曇 | |
| 4.18 | 1571 | 20 | 11.1 | 晴 | |
| 4.19 | 1575 | 4 | - | 曇一時雨 | |
| 4.20 | 1595 | 20 | 9.0 | 晴一時曇 | |
| 4.21 | 1617 | 22 | 12.2 | 快晴 | |
| 4..22 | 1637 | 20 | 11 | 快晴 | |
| 計 | 515 | 238 | 2.16kWh/1日照時間 |