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| VIRGINIA COAST RESERVE LONG-TERM ECOLOGICAL RESEARCH |
Site PHCK, Month DEC, Year 1996 |
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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 | 12.95 | 15 | 9 | 12.0 | 1.19 | 175 | 13.19 | 2532 | 4949 |
| 2 | 6.10 | 17 | 1 | 9.4 | 1.87 | 294 | 10.02 | 8640 | 14880 |
| 3 | 0.00 | 10 | -1 | 4.9 | 0.14 | 107 | 7.90 | 4364 | 7666 |
| 4 | 0.25 | 12 | 1 | 6.3 | 2.04 | 296 | 7.10 | 9108 | 15657 |
| 5 | 6.60 | 10 | -2 | 4.9 | 0.69 | 110 | 7.55 | 4204 | 7311 |
| 6 | 8.89 | 12 | 0 | 6.0 | 3.65 | 224 | 7.35 | 8847 | 15460 |
| 7 | 18.54 | 12 | 1 | 7.3 | 1.94 | 285 | 9.36 | 1483 | 2888 |
| 8 | 0.00 | 10 | 2 | 5.9 | 2.13 | 222 | 7.33 | 9082 | 15869 |
| 9 | 0.00 | 6 | 1 | 3.7 | 4.17 | 282 | 5.29 | 5288 | 9221 |
| 10 | 0.00 | 8 | -1 | 4.2 | 1.74 | 211 | 5.61 | 8284 | 15269 |
| 11 | 0.00 | 14 | 4 | 7.9 | 1.02 | 173 | 8.37 | 6205 | 11522 |
| 12 | 0.00 | 16 | 5 | 9.6 | 0.40 | 132 | 11.07 | 7356 | 13771 |
| 13 | 7.37 | 12 | 7 | 9.4 | 2.48 | 266 | 11.42 | 1739 | 3531 |
| 14 | 6.10 | 7 | 5 | 5.8 | 5.36 | 322 | 8.52 | 1916 | 3869 |
| 15 | 0.25 | 6 | 5 | 5.6 | 3.03 | 353 | 8.24 | 2096 | 4057 |
| 16 | 0.76 | 11 | 6 | 7.6 | 1.46 | 354 | 10.06 | 3836 | 7179 |
| 17 | 0.76 | 13 | 7 | 9.8 | 0.52 | 176 | 11.71 | 4758 | 8850 |
| 18 | 0.51 | 17 | 10 | 11.9 | 0.70 | 189 | 13.19 | 3615 | 6579 |
| 19 | 33.27 | 10 | -0 | 7.1 | 1.93 | 234 | 9.86 | 760 | 1593 |
| 20 | 0.00 | 0 | -6 | -2.5 | 2.93 | 240 | 3.16 | 8884 | 15760 |
| 21 | 0.00 | 4 | -7 | -2.9 | 0.54 | 65 | 3.69 | 8990 | 16387 |
| 22 | 0.00 | 7 | -5 | -0.0 | 0.46 | 187 | 5.27 | 6782 | 12675 |
| 23 | 0.00 | 15 | 1 | 7.5 | 1.71 | 180 | 7.08 | 7426 | 13655 |
| 24 | 8.13 | 16 | 7 | 12.1 | 2.24 | 172 | 11.76 | 5552 | 10384 |
| 25 | 1.02 | 12 | -3 | 2.3 | 2.51 | 292 | 5.21 | 8994 | 16766 |
| 26 | 0.25 | 10 | -3 | 3.9 | 0.27 | 138 | 7.08 | 6992 | 13401 |
| 27 | 12.70 | 10 | 2 | 6.3 | 0.90 | 322 | 8.93 | 6490 | 12562 |
| 28 | 0.00 | 10 | 5 | 7.9 | 0.70 | 172 | 10.34 | 2887 | 5514 |
| 29 | 0.00 | 20 | 8 | 14.3 | 2.74 | 180 | 14.62 | 5778 | 11366 |
| 30 | 0.25 | 17 | 7 | 11.5 | 0.71 | 206 | 12.65 | 8443 | 16112 |
| 31 | 5.33 | 13 | 3 | 9.2 | 1.67 | 319 | 11.23 | 2112 | 4195 |
| Mon. Tot. Precip. 130.1 mm | Mean wind vel. 1.737 m/s |
| Mon. Mean Temp. 6.7 deg. C | Wind dir 255 deg |
| Mean Max. Temp. 11.3 deg. C | Mean Min. Temp. 2.2 deg. C |
| Extreme Max. Temp 19.5 deg. C | Mean vapor press 8.84 mb |
| Extreme Min. Temp -6.8 deg. C | Total Solar Rad 173443 KJ/sq. m |
| Total photosyn. 318897 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 |