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| VIRGINIA COAST RESERVE LONG-TERM ECOLOGICAL RESEARCH |
Site OYSM, Month DEC, Year 1999 |
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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 | 2 | -2 | 0.7 | 5.01 | 4 | 3.66 | . | . |
| 2 | 0.00 | 8 | -3 | 3.3 | 2.43 | 326 | 4.83 | . | . |
| 3 | 0.00 | 13 | 4 | 8.8 | 2.28 | 271 | 6.62 | . | . |
| 4 | 0.00 | 19 | 11 | 13.9 | 3.54 | 271 | 8.64 | . | . |
| 5 | 0.00 | 20 | 10 | 13.7 | 2.82 | 223 | 12.04 | . | . |
| 6 | 11.18 | 17 | 10 | 14.1 | 3.22 | 202 | 15.95 | . | . |
| 7 | 0.51 | 10 | 4 | 7.4 | 5.39 | 330 | 8.04 | . | . |
| 8 | 0.00 | 11 | -0 | 5.4 | 1.08 | 292 | 7.68 | . | . |
| 9 | 0.00 | 15 | 2 | 7.8 | 1.24 | 229 | 9.08 | . | . |
| 10 | 7.37 | 17 | 8 | 13.1 | 3.23 | 233 | 13.71 | . | . |
| 11 | 0.00 | 13 | 2 | 6.8 | 4.88 | 330 | 6.26 | . | . |
| 12 | 0.00 | 11 | -0 | 6.0 | 1.41 | 310 | 7.23 | . | . |
| 13 | 0.00 | 18 | 8 | 12.7 | 1.59 | 167 | 13.62 | . | . |
| 14 | 20.57 | 21 | 9 | 14.4 | 2.69 | 316 | 15.77 | . | . |
| 15 | 0.00 | 11 | 8 | 9.4 | 2.40 | 192 | 11.19 | . | . |
| 16 | 0.00 | 11 | 5 | 9.5 | 3.61 | 275 | 8.79 | . | . |
| 17 | 0.00 | 11 | 1 | 6.6 | 2.14 | 261 | 6.06 | . | . |
| 18 | 0.00 | 12 | 4 | 8.1 | 1.67 | 264 | 8.37 | . | . |
| 19 | 0.00 | 11 | 8 | 10.2 | 3.47 | 57 | 11.81 | . | . |
| 20 | 2.54 | 17 | 10 | 12.8 | 3.42 | 85 | 15.04 | . | . |
| 21 | 1.02 | 11 | 5 | 9.2 | 2.64 | 336 | 11.36 | . | . |
| 22 | 1.27 | 5 | 2 | 3.3 | 3.41 | 12 | 7.13 | . | . |
| 23 | 0.00 | 7 | -3 | 3.6 | 2.29 | 276 | 6.16 | . | . |
| 24 | 0.00 | 5 | -2 | -0.1 | 2.69 | 23 | 4.23 | . | . |
| 25 | 0.00 | -0 | -5 | -2.8 | 3.13 | 3 | 3.04 | . | . |
| 26 | 0.00 | 8 | -4 | 2.3 | 3.45 | 256 | 4.29 | . | . |
| 27 | 0.00 | 6 | -2 | 2.1 | 1.43 | 323 | 5.36 | . | . |
| 28 | 0.00 | 3 | -1 | 0.6 | 1.54 | 52 | 4.83 | . | . |
| 29 | 0.00 | 5 | 1 | 2.5 | 4.40 | 315 | 4.63 | . | . |
| 30 | 0.00 | 15 | 4 | 8.9 | 3.17 | 246 | 6.93 | . | . |
| 31 | 0.00 | 12 | 4 | 8.4 | 2.66 | 298 | 8.45 | . | . |
| Mon. Tot. Precip. 44.5 mm | Mean wind vel. 2.848 m/s |
| Mon. Mean Temp. 7.2 deg. C | Wind dir 308 deg |
| Mean Max. Temp. 11.1 deg. C | Mean Min. Temp. 3.1 deg. C |
| Extreme Max. Temp 20.7 deg. C | Mean vapor press 8.41 mb |
| Extreme Min. Temp -5.1 deg. C | Total Solar Rad . KJ/sq. m |
| Total photosyn. . 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 |