Research and Education Center
Georgetown, DE
| Sept. 1999 | Julian Day | Min. Temp. (C) | Min. Temp. (F) | Time Min. Temp | Max. Temp (C) | Max. Temp. (F) | Time Max. Temp | Min. RH% | Time Min. RH% | Max. RH% | Time Max. RH% | Total Solar | Net Solar | Rain (mm) | Rain (inches) | Mean Wind Speed (m/s) | Mean Wind Dir | Max. Wind (m/s) | Time Max Wind | Min. Soil Temp (C) | Min. Soil Temp (F) | Time Min. Soil Temp | Max. Soil Temp (C) | Max. Soil Temp (F) | Time Max. Soil Temp |
| 1 | 244 | 18.5 | 65.4 | 615 | 23.0 | 73.3 | 1643 | 73.2 | 216 | 92.9 | 2231 | 106.4 | 85.2 | 0.0 | 0.00 | 5.11 | 1.2 | 8.39 | 1645 | 18.45 | 65.21 | 335 | 22.17 | 71.91 | 1649 |
| 2 | 245 | 19.8 | 67.6 | 22 | 24.3 | 75.7 | 1545 | 87.0 | 3 | 96.2 | 1122 | 146.9 | 117.5 | 0.0 | 0.00 | 4.29 | 1.6 | 7.18 | 744 | 20 | 68.00 | 253 | 24.03 | 75.25 | 1616 |
| 3 | 246 | 21.0 | 69.8 | 723 | 23.7 | 74.7 | 1510 | 92.6 | 1139 | 99.7 | 2357 | 103.1 | 82.5 | 0.0 | 0.00 | 3.31 | 0.7 | 5.70 | 850 | 21.58 | 70.84 | 638 | 24.14 | 75.45 | 1519 |
| 4 | 247 | 22.2 | 72.0 | 100 | 26.0 | 78.9 | 1146 | 85.8 | 1310 | 100.2 | 428 | 139.2 | 111.3 | 1.3 | 0.05 | 2.98 | 356.2 | 6.48 | 2324 | 22.47 | 72.45 | 228 | 25.94 | 78.69 | 1312 |
| 5 | 248 | 24.0 | 75.2 | 940 | 27.0 | 80.6 | 1457 | 84.1 | 1503 | 98.1 | 941 | 171.7 | 137.3 | 7.4 | 0.29 | 3.66 | 359.2 | 6.63 | 331 | 23.51 | 74.32 | 634 | 26.64 | 79.95 | 1503 |
| 6 | 249 | 24.1 | 75.4 | 625 | 29.2 | 84.6 | 1313 | 70.5 | 1328 | 96.0 | 644 | 347.7 | 278.1 | 0.0 | 0.00 | 3.29 | 359.2 | 6.61 | 1049 | 23.51 | 74.32 | 622 | 30.86 | 87.55 | 1337 |
| 7 | 250 | 21.7 | 71.1 | 330 | 28.8 | 83.9 | 1530 | 69.0 | 1540 | 99.9 | 554 | 253.0 | 202.4 | 18.5 | 0.73 | 2.63 | 358.0 | 6.07 | 203 | 23.04 | 73.47 | 710 | 29.87 | 85.77 | 1535 |
| 8 | 251 | 22.4 | 72.4 | 240 | 29.4 | 84.8 | 1354 | 63.4 | 1610 | 99.8 | 426 | 412.3 | 329.8 | 0.0 | 0.00 | 2.10 | 357.4 | 5.05 | 1530 | 23.34 | 74.01 | 716 | 32.91 | 91.24 | 1329 |
| 9 | 252 | 22.1 | 71.8 | 0 | 29.8 | 85.6 | 1523 | 68.0 | 1523 | 99.7 | 430 | 311.3 | 249.0 | 1.5 | 0.06 | 1.95 | 356.9 | 5.63 | 1829 | 23.91 | 75.04 | 523 | 31.36 | 88.45 | 1524 |
| 10 | 253 | 18.3 | 65.0 | 0 | 26.9 | 80.4 | 1512 | 65.4 | 1453 | 100.6 | 1128 | 241.4 | 193.1 | 16.0 | 0.63 | 1.24 | 357.7 | 3.77 | 1438 | 21.49 | 70.68 | 2359 | 29.91 | 85.84 | 1536 |
| 11 | 254 | 13.1 | 55.6 | 2355 | 25.8 | 78.5 | 1541 | 38.9 | 1527 | 99.5 | 237 | 455.8 | 364.7 | 0.0 | 0.00 | 1.51 | 351.4 | 4.85 | 1028 | 18.23 | 64.81 | 715 | 28.77 | 83.79 | 1324 |
| 12 | 255 | 11.1 | 52.0 | 606 | 26.9 | 80.5 | 1648 | 30.7 | 1613 | 99.8 | 728 | 443.9 | 355.1 | 0.0 | 0.00 | 0.85 | 347.8 | 4.35 | 1346 | 16.33 | 61.39 | 659 | 28.62 | 83.52 | 1302 |
| 13 | 256 | 11.8 | 53.3 | 338 | 25.4 | 77.8 | 1151 | 58.2 | 1150 | 100.3 | 800 | 346.3 | 277.0 | 0.0 | 0.00 | 0.98 | 350.8 | 3.90 | 1636 | 17.1 | 62.78 | 628 | 26.77 | 80.19 | 1528 |
| 14 | 257 | 17.0 | 62.6 | 26 | 26.1 | 79.0 | 1457 | 66.5 | 1430 | 99.7 | 112 | 231.9 | 185.5 | 0.0 | 0.00 | 1.24 | 355.0 | 4.11 | 1249 | 19.9 | 67.82 | 342 | 26.74 | 80.13 | 1502 |
| 15 | 258 | 19.8 | 67.7 | 29 | 22.9 | 73.2 | 1329 | 94.4 | 1332 | 100.1 | 432 | 82.6 | 66.1 | 19.1 | 0.75 | 2.12 | 359.2 | 5.28 | 2206 | 21.05 | 69.89 | 420 | 24.3 | 75.74 | 1330 |
| 16 | 259 | 16.0 | 60.7 | 2105 | 25.4 | 77.6 | 917 | 72.7 | 2325 | 99.7 | 100 | 47.1 | 37.7 | 141.0 | 5.55 | 5.35 | 345.3 | 11.42 | 254 | 17.47 | 63.45 | 2359 | 24.73 | 76.51 | 1529 |
| 17 | 260 | 12.5 | 54.4 | 2313 | 22.6 | 72.7 | 1601 | 45.6 | 1517 | 89.9 | 2329 | 453.8 | 363.1 | 0.0 | 0.00 | 3.11 | 349.9 | 6.67 | 7 | 15.1 | 59.18 | 705 | 25.03 | 77.05 | 1318 |
| 18 | 261 | 9.0 | 48.2 | 656 | 23.7 | 74.7 | 1543 | 44.2 | 1500 | 96.3 | 2355 | 439.5 | 351.6 | 0.0 | 0.00 | 1.02 | 349.7 | 3.70 | 1635 | 13.01 | 55.42 | 708 | 27.14 | 80.85 | 1327 |
| 19 | 262 | 9.1 | 48.3 | 646 | 24.1 | 75.4 | 1358 | 44.2 | 1356 | 99.2 | 758 | 423.2 | 338.6 | 0.0 | 0.00 | 0.87 | 350.3 | 4.21 | 1330 | 13.58 | 56.44 | 659 | 27.78 | 82.00 | 1331 |
| 20 | 263 | 10.8 | 51.5 | 547 | 25.2 | 77.3 | 1503 | 49.6 | 1501 | 99.3 | 810 | 371.3 | 297.1 | 0.0 | 0.00 | 1.19 | 351.8 | 4.55 | 1701 | 14.8 | 58.64 | 641 | 27.88 | 82.18 | 1325 |
| 21 | 264 | 12.6 | 54.7 | 0 | 21.9 | 71.4 | 1440 | 81.3 | 1417 | 99.3 | 1843 | 121.2 | 97.0 | 48.5 | 1.91 | 2.08 | 356.6 | 6.53 | 2120 | 16.11 | 61.00 | 0 | 23.12 | 73.62 | 1444 |
| 22 | 265 | 8.2 | 46.8 | 2311 | 17.4 | 63.2 | 1605 | 57.4 | 1626 | 95.6 | 133 | 309.5 | 247.6 | 0.8 | 0.03 | 3.80 | 349.9 | 8.66 | 1708 | 12.51 | 54.52 | 0 | 20.91 | 69.64 | 1335 |
| 23 | 266 | 7.4 | 45.4 | 58 | 22.3 | 72.1 | 1604 | 43.0 | 1620 | 89.7 | 100 | 422.1 | 337.7 | 0.0 | 0.00 | 2.10 | 345.0 | 5.80 | 1226 | 10.73 | 51.31 | 702 | 23.4 | 74.12 | 1504 |
| 24 | 267 | 11.4 | 52.5 | 627 | 24.7 | 76.5 | 1511 | 38.6 | 1452 | 92.8 | 713 | 422.0 | 337.6 | 0.0 | 0.00 | 2.75 | 347.6 | 6.78 | 1451 | 12.77 | 54.99 | 707 | 23.94 | 75.09 | 1321 |
| 25 | 268 | 14.5 | 58.0 | 642 | 27.9 | 82.1 | 1538 | 40.1 | 1607 | 96.3 | 2225 | 402.3 | 321.8 | 0.0 | 0.00 | 1.76 | 348.7 | 4.87 | 1302 | 14.59 | 58.26 | 650 | 26.61 | 79.90 | 1453 |
| 26 | 269 | 14.1 | 57.3 | 320 | 24.7 | 76.4 | 1257 | 72.4 | 1233 | 99.0 | 2306 | 369.4 | 295.5 | 0.0 | 0.00 | 1.41 | 354.2 | 4.48 | 1247 | 15.88 | 60.58 | 651 | 26.87 | 80.37 | 1324 |
| 27 | 270 | 16.7 | 62.0 | 312 | 25.5 | 77.8 | 1318 | 78.2 | 1333 | 100.2 | 936 | 204.6 | 163.7 | 0.0 | 0.00 | 1.12 | 355.5 | 4.73 | 1402 | 18.44 | 65.19 | 248 | 25.54 | 77.97 | 1424 |
| 28 | 271 | 18.4 | 65.1 | 0 | 26.7 | 80.1 | 1401 | 54.3 | 1407 | 99.0 | 500 | 269.2 | 215.4 | 0.0 | 0.00 | 1.42 | 353.4 | 4.93 | 1519 | 19.54 | 67.17 | 526 | 26.9 | 80.42 | 1403 |
| 29 | 272 | 17.8 | 64.1 | 147 | 26.3 | 79.3 | 1422 | 49.7 | 1621 | 98.9 | 119 | 328.4 | 262.7 | 0.0 | 0.00 | 2.19 | 352.2 | 6.04 | 2345 | 19.35 | 66.83 | 709 | 27.65 | 81.77 | 1301 |
| 30 | 273 | 11.1 | 51.9 | 2349 | 22.2 | 72.0 | 205 | 49.5 | 1712 | 95.7 | 351 | 387.0 | 309.6 | 14.5 | 0.57 | 4.08 | 346.3 | 10.05 | 335 | 14.25 | 57.65 | 0 | 23.23 | 73.81 | 1313 |
| Month Average | 15.9 | 60.6 | 25.2 | 77.3 | 62.3 | 97.8 | 233.7 | 2.38 | 317.6 | 5.91 | 18.1 | 64.5 | 26.5 | 79.6 | |||||||||||
| Month Total | 268.5 | 10.57 | |||||||||||||||||||||||
| Year Total | 35.25 |