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| VIRGINIA COAST RESERVE LONG-TERM ECOLOGICAL RESEARCH |
Site PHCK, Month FEB, Year 1997 |
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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 | 15 | 2 | 7.3 | 2.53 | 189 | 7.66 | 9715 | 18578 |
| 2 | 0.00 | 10 | 1 | 5.9 | 1.66 | 66 | 7.77 | 5837 | 11842 |
| 3 | 0.00 | 17 | 3 | 9.0 | 1.39 | 7 | 9.95 | 10444 | 20827 |
| 4 | 10.92 | 9 | 5 | 7.0 | 2.35 | 68 | 8.58 | 3862 | 7887 |
| 5 | 13.21 | 13 | 6 | 9.0 | 2.15 | 230 | 11.03 | 1928 | 4229 |
| 6 | 0.00 | 8 | -1 | 4.6 | 1.99 | 283 | 5.95 | 10350 | 19655 |
| 7 | 0.00 | 8 | 1 | 5.0 | 0.68 | 83 | 7.88 | 3726 | 7461 |
| 8 | 26.92 | 6 | 0 | 3.8 | 3.89 | 44 | 7.62 | 1089 | 2425 |
| 9 | 1.52 | 2 | -2 | 0.4 | 2.04 | 315 | 5.58 | 4509 | 9066 |
| 10 | 0.00 | 3 | -3 | 0.1 | 0.40 | 357 | 5.57 | 2261 | 4600 |
| 11 | 1.52 | 3 | -4 | -0.2 | 2.23 | 318 | 4.30 | 10726 | 19716 |
| 12 | 0.00 | 7 | -4 | 1.6 | 0.84 | 190 | 5.90 | 5377 | 10158 |
| 13 | 0.51 | 4 | -2 | 1.5 | 2.32 | 38 | 4.57 | 9292 | 17701 |
| 14 | 27.94 | 12 | 4 | 6.5 | 1.99 | 183 | 9.44 | 3823 | 7712 |
| 15 | 11.68 | 8 | 0 | 4.7 | 1.39 | 299 | 7.71 | 5720 | 10935 |
| 16 | 0.00 | 7 | -1 | 3.0 | 1.13 | 64 | 5.12 | 14346 | 27444 |
| 17 | 0.00 | 6 | -3 | 1.9 | 3.07 | 298 | 4.11 | 14340 | 27208 |
| 18 | 0.00 | 14 | -3 | 5.7 | 1.97 | 175 | 6.24 | 14219 | 27560 |
| 19 | 0.00 | 20 | 9 | 15.0 | 4.79 | 185 | 11.30 | 12223 | 23259 |
| 20 | 0.00 | 17 | 6 | 10.7 | 1.58 | 32 | 8.44 | 13958 | 27665 |
| 21 | 0.00 | 18 | 7 | 12.1 | 1.56 | 165 | 12.90 | 9471 | 20359 |
| 22 | 1.78 | 22 | 7 | 15.5 | 4.14 | 200 | 13.00 | 6862 | 14291 |
| 23 | 0.00 | 10 | 3 | 6.1 | 2.01 | 291 | 5.03 | 14346 | 28161 |
| 24 | 0.00 | 13 | 2 | 7.2 | 2.10 | 207 | 6.39 | 12949 | 25679 |
| 25 | 0.00 | 7 | 0 | 3.1 | 1.31 | 343 | 4.31 | 15917 | 30900 |
| 26 | 0.25 | 14 | 2 | 8.9 | 1.67 | 167 | 9.48 | 9800 | 20451 |
| 27 | 0.00 | 27 | 13 | 19.9 | 3.76 | 174 | 18.08 | 12347 | 24821 |
| 28 | 18.80 | 21 | 9 | 12.7 | 1.89 | 89 | 13.45 | 1898 | 4475 |
| Mon. Tot. Precip. 115.1 mm | Mean wind vel. 2.102 m/s |
| Mon. Mean Temp. 6.7 deg. C | Wind dir 191 deg |
| Mean Max. Temp. 11.6 deg. C | Mean Min. Temp. 2.0 deg. C |
| Extreme Max. Temp 26.5 deg. C | Mean vapor press 8.12 mb |
| Extreme Min. Temp -4.3 deg. C | Total Solar Rad 241335 KJ/sq. m |
| Total photosyn. 475061 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 |