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| VIRGINIA COAST RESERVE LONG-TERM ECOLOGICAL RESEARCH |
Site BRNV, Month DEC, Year 1990 |
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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 | 14 | -3 | 6.3 | 1.61 | 228 | 5.87 | 11062 | 15400 |
| 2 | 0.00 | 19 | 9 | 11.9 | 1.14 | 258 | 8.92 | 8768 | 12915 |
| 3 | 0.00 | 15 | 8 | 12.4 | 1.28 | 122 | 11.32 | 2911 | 5049 |
| 4 | 16.90 | 23 | 4 | 13.4 | 2.65 | 261 | 9.01 | 1978 | 3634 |
| 5 | 0.00 | 6 | -2 | 2.7 | 2.21 | 310 | 2.47 | 9724 | 12867 |
| 6 | 0.00 | 14 | -4 | 5.0 | 1.21 | 227 | 3.15 | 10379 | 13834 |
| 7 | 2.30 | 13 | 2 | 7.3 | 0.45 | 10 | 4.44 | 5706 | 7997 |
| 8 | 16.10 | 11 | 4 | 8.1 | 1.56 | 341 | 7.08 | 1530 | 2510 |
| 9 | 0.00 | 9 | 1 | 5.5 | 1.87 | 335 | 3.62 | 10087 | 13095 |
| 10 | 0.00 | 17 | 4 | 9.3 | 1.05 | 258 | 4.38 | 9825 | 12885 |
| 20 | 0.00 | 12 | 10 | 10.8 | 1.87 | 84 | 4.88 | 2204 | 3028 |
| 21 | 6.60 | 22 | 12 | 16.5 | 0.88 | 138 | 13.93 | 1187 | 2088 |
| 22 | 0.00 | 29 | 14 | 19.3 | 0.91 | 199 | 19.65 | 5141 | 7825 |
| 23 | 0.30 | 25 | 16 | 18.9 | 1.81 | 201 | 10.73 | 6217 | 9076 |
| 24 | 0.00 | 21 | 1 | 11.4 | 3.46 | 297 | 5.45 | 5586 | 7710 |
| 25 | 0.00 | 3 | -4 | -1.0 | 1.08 | 6 | 1.71 | 9858 | 13513 |
| 26 | 0.00 | 5 | -5 | -0.1 | 0.64 | 350 | 2.00 | 5288 | 7623 |
| 27 | 3.30 | 9 | -2 | 2.6 | 1.34 | 33 | 2.43 | 2668 | 4207 |
| 28 | 5.80 | 13 | 7 | 8.7 | 1.88 | 347 | 4.79 | 1697 | 2866 |
| 29 | 0.30 | 16 | 7 | 9.6 | 0.96 | 219 | 4.96 | 2098 | 3478 |
| 30 | 0.30 | 23 | 16 | 19.5 | 3.35 | 229 | 8.83 | 4173 | 6180 |
| 31 | 2.60 | 21 | 1 | 10.1 | 2.70 | 314 | 3.92 | 7718 | 10678 |
| Mon. Tot. Precip. 54.5 mm | Mean wind vel. 1.632 m/s |
| Mon. Mean Temp. 9.5 deg. C | Wind dir 277 deg |
| Mean Max. Temp. 15.5 deg. C | Mean Min. Temp. 4.4 deg. C |
| Extreme Max. Temp 29.0 deg. C | Mean vapor press 6.52 mb |
| Extreme Min. Temp -5.0 deg. C | Total Solar Rad 125806 KJ/sq. m |
| Total photosyn. 178458 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) |