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| VIRGINIA COAST RESERVE LONG-TERM ECOLOGICAL RESEARCH |
Site PHCK, Month DEC, Year 1992 |
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| Day of Month | Precip (mm) | Max Temp. oC | Min Temp. oC | Mean Temp. oC | Wind Speed (m/s) | Wind Dir (deg.) | Vapor Press. (mb) | Solar Rad. KJ/m2 | PAR uE/m2 |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 0.00 | 12 | 1 | 6.2 | 1.66 | 321 | 8.60 | 6929 | 12543 |
| 2 | 0.00 | 12 | 1 | 6.6 | 1.97 | 268 | 7.75 | 8816 | 16121 |
| 3 | 0.00 | 10 | 0 | 5.9 | 3.28 | 292 | 5.79 | 9867 | 18162 |
| 4 | 0.00 | 11 | -3 | 5.1 | 1.79 | 223 | 6.41 | 4907 | 9441 |
| 5 | 0.00 | 11 | -0 | 5.1 | 5.55 | 299 | 5.86 | 6944 | 12476 |
| 6 | 0.00 | 5 | -1 | 1.9 | 3.03 | 297 | 4.11 | 9115 | 17046 |
| 7 | 0.00 | 9 | 3 | 5.2 | 3.19 | 292 | 4.94 | 9392 | 17484 |
| 8 | 0.00 | 6 | -4 | 1.6 | 1.33 | 2 | 4.87 | 7590 | 13724 |
| 9 | 0.00 | 5 | -4 | 0.3 | 1.75 | 24 | 4.11 | 9551 | 17403 |
| 10 | 0.00 | 13 | -2 | 7.8 | 1.64 | 96 | 10.54 | 695 | 1681 |
| 11 | 0.00 | 10 | 3 | 4.6 | 5.15 | 263 | 8.42 | 990 | 2186 |
| 12 | 0.00 | 6 | 4 | 4.9 | 4.14 | 353 | 8.04 | 1881 | 3871 |
| 13 | 0.00 | 5 | 4 | 4.5 | 4.15 | 358 | 7.44 | 2238 | 4628 |
| 14 | 0.00 | 5 | 4 | 4.1 | 2.92 | 357 | 7.58 | 1628 | 3400 |
| 15 | 0.00 | 6 | -1 | 3.8 | 1.26 | 340 | 7.23 | 2499 | 4915 |
| 16 | 0.00 | 14 | -1 | 6.6 | 0.60 | 200 | 9.75 | 5770 | 11365 |
| 17 | 0.00 | 16 | 9 | 11.5 | 2.01 | 239 | 13.64 | 2114 | 4452 |
| 18 | 0.00 | 10 | -1 | 5.2 | 1.71 | 354 | 7.11 | 8831 | 16386 |
| 19 | 0.00 | 11 | -1 | 5.7 | 0.71 | 35 | 9.15 | 3746 | 7517 |
| 20 | 0.00 | 12 | 7 | 9.5 | 2.25 | 261 | 11.74 | 1012 | 2284 |
| 21 | 0.00 | 7 | 1 | 4.0 | 1.38 | 31 | 5.50 | 7309 | 13396 |
| 22 | 0.00 | 11 | 1 | 5.6 | 1.07 | 282 | 8.43 | 6728 | 12805 |
| 23 | 0.00 | 15 | 1 | 10.2 | 1.88 | 252 | 12.85 | 2043 | 4252 |
| 24 | 0.00 | 10 | -5 | 3.1 | 3.41 | 324 | 5.95 | 7272 | 13047 |
| 25 | 0.00 | 6 | -8 | -0.1 | 1.58 | 221 | 5.10 | 7824 | 14615 |
| 26 | 0.00 | 7 | -3 | 4.1 | 2.30 | 325 | 5.13 | 7512 | 13415 |
| 27 | 0.00 | 7 | -5 | 0.6 | 2.32 | 46 | 4.60 | 7946 | 14814 |
| 28 | 0.00 | 12 | 7 | 9.9 | 1.79 | 63 | 12.41 | 1637 | 3479 |
| 29 | 0.00 | 14 | 7 | 9.8 | 1.80 | 2 | 12.65 | 2962 | 6127 |
| 30 | 0.00 | 12 | 8 | 9.3 | 1.29 | 244 | 12.18 | 4242 | 8387 |
| 31 | 0.00 | 19 | 11 | 14.1 | 3.88 | 249 | 14.38 | 9234 | 17735 |
| Mon. Tot. Precip. 0.0 mm | Mean wind vel. 2.348 m/s |
| Mon. Mean Temp. 5.7 deg. C | Wind dir 312 deg |
| Mean Max. Temp. 9.9 deg. C | Mean Min. Temp. 1.1 deg. C |
| Extreme Max. Temp 18.5 deg. C | Mean vapor press 8.14 mb |
| Extreme Min. Temp -7.6 deg. C | Total Solar Rad 169221 KJ/sq. m |
| Total photosyn. 319157 uEin/sq.m |
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| Daily Total Precipitation (mm) |
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| Hourly Mean Temperatures (deg. C) |
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| Hourly Max Min and Mean Temperatures (deg. C) |
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| Wind Speed (m/s) |
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| Frequency of Wind Direction |
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| Wind Vectors (circle=1.5 m/s) |
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| Relative Humidity (percent) |
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| Photosynthetically Active Radiation (micro-einsteins per m squared) |
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| Hourly Photosynthetically Active Radiation (micro-einsteins per m squared) |
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| Solar Radiation (KiloJoules per Meter Squared) |
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| Hourly Solar Radiation (KiloJoules per Meter Squared) |
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| Hours of Station Operation |
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| Data Logger Battery Voltage and Internal Logger Temperature |