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| VIRGINIA COAST RESERVE LONG-TERM ECOLOGICAL RESEARCH |
Site HOGI, Month DEC, Year 1989 |
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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 | 11 | 1 | 5.3 | 1.93 | 339 | 5.62 | 10358 | 22824 |
| 2 | 1.00 | 12 | 6 | 9.0 | 3.37 | 191 | 8.34 | 8325 | 15595 |
| 3 | 0.00 | 10 | -3 | 3.1 | 6.58 | 316 | 4.35 | 12374 | 18885 |
| 4 | 0.00 | 4 | -4 | -0.8 | 4.31 | 291 | 2.92 | 13496 | 20799 |
| 5 | 0.00 | 11 | -2 | 4.6 | 1.90 | 219 | 5.56 | 11751 | 18491 |
| 6 | 0.00 | 13 | 1 | 7.6 | 2.24 | 200 | 8.54 | 7999 | 14235 |
| 7 | 0.00 | 10 | 3 | 6.8 | 3.75 | 355 | 6.55 | 13279 | 20617 |
| 8 | 11.20 | 4 | -1 | 0.9 | 6.64 | 35 | 5.10 | 1514 | 5292 |
| 9 | 3.80 | 1 | -2 | -0.8 | 6.58 | 16 | 4.88 | 2182 | 8492 |
| 10 | 14.80 | 5 | -2 | 0.2 | 3.37 | 351 | 5.18 | 16428 | 20129 |
| 11 | 2.30 | 2 | -1 | 1.1 | 2.17 | 255 | 5.54 | 2403 | 4138 |
| 12 | 10.40 | 4 | 1 | 2.6 | 3.55 | 21 | 6.14 | 1311 | 2593 |
| 13 | 8.90 | 3 | -2 | 0.8 | 5.78 | 7 | 5.38 | 2748 | 4746 |
| 14 | 0.50 | 4 | -2 | 0.7 | 1.94 | 291 | 4.60 | 14004 | 19622 |
| 15 | 0.00 | 9 | -1 | 4.4 | 3.30 | 184 | 6.43 | 14174 | 21298 |
| 16 | 0.00 | 10 | -5 | -2.3 | 5.35 | 314 | 3.23 | 14178 | 21116 |
| 17 | 0.00 | -3 | -5 | -3.8 | 4.02 | 327 | 2.52 | 10253 | 16278 |
| 18 | 0.00 | -3 | -5 | -3.7 | 3.65 | 347 | 2.74 | 9586 | 15408 |
| 19 | 0.00 | 2 | -4 | -2.1 | 3.54 | 20 | 3.86 | 3411 | 6757 |
| 20 | 1.80 | -0 | -8 | -3.0 | 2.94 | 341 | 3.77 | 10985 | 18508 |
| 21 | 4.40 | 4 | -8 | -2.7 | 2.95 | 327 | 3.63 | 13952 | 20390 |
| 22 | 0.00 | -7 | -11 | -8.6 | 6.58 | 348 | 1.81 | 13435 | 20836 |
| 23 | 0.00 | -7 | -11 | -8.7 | 6.72 | 5 | 1.93 | 8738 | 14885 |
| 24 | 0.00 | -6 | -8 | -7.1 | 8.17 | 1 | 2.43 | 2555 | 6557 |
| 25 | 0.00 | -0 | -7 | -4.0 | 3.07 | 267 | 2.92 | 11091 | 19362 |
| 26 | 0.00 | 6 | -4 | 0.3 | 3.70 | 273 | 4.04 | 13751 | 22145 |
| 27 | 0.00 | -0 | -9 | -4.1 | 3.25 | 12 | 2.86 | 10440 | 17718 |
| 28 | 0.30 | 6 | -4 | -0.2 | 1.57 | 285 | 4.62 | 14549 | 23029 |
| 29 | 0.00 | 7 | -2 | 1.6 | 1.56 | 182 | 5.72 | 10623 | 18253 |
| 30 | 0.30 | 12 | 2 | 4.5 | 1.72 | 194 | 6.92 | 8523 | 16537 |
| 31 | 11.90 | 10 | 2 | 5.6 | 3.06 | 176 | 7.74 | 1806 | 5689 |
| Mon. Tot. Precip. 71.6 mm | Mean wind vel. 3.846 m/s |
| Mon. Mean Temp. 0.2 deg. C | Wind dir 342 deg |
| Mean Max. Temp. 4.3 deg. C | Mean Min. Temp. -3.1 deg. C |
| Extreme Max. Temp 12.5 deg. C | Mean vapor press 4.71 mb |
| Extreme Min. Temp -11.5 deg. C | Total Solar Rad 290224 KJ/sq. m |
| Total photosyn. 481223 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 |