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| VIRGINIA COAST RESERVE LONG-TERM ECOLOGICAL RESEARCH |
Site PHCK, Month FEB, 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 | 10 | -2 | 4.5 | 0.96 | 56 | 7.65 | 7892 | 14195 |
| 2 | 9.65 | 13 | 9 | 11.1 | 0.99 | 200 | 12.83 | 3248 | 5786 |
| 3 | 0.00 | 14 | 7 | 9.5 | 1.70 | 304 | 9.87 | 11426 | 19417 |
| 4 | 4.06 | 13 | 7 | 9.2 | 2.04 | 289 | 10.76 | 3330 | 5687 |
| 5 | 0.00 | 8 | -1 | 5.6 | 3.41 | 318 | 5.76 | 13528 | 23258 |
| 6 | 0.00 | 13 | -1 | 6.0 | 1.25 | 233 | 7.07 | 3025 | 5287 |
| 7 | 2.03 | 10 | 2 | 7.6 | 0.96 | 56 | 8.97 | 3080 | 5551 |
| 8 | 0.00 | 10 | -1 | 5.0 | 2.72 | 329 | 8.00 | 6198 | 10391 |
| 9 | 0.25 | 13 | -3 | 5.2 | 1.08 | 224 | 7.94 | 12054 | 21152 |
| 10 | 0.00 | 14 | -0 | 8.2 | 1.62 | 359 | 7.47 | 11611 | 18866 |
| 11 | 0.00 | 15 | -2 | 6.5 | 0.48 | 241 | 7.80 | 13189 | 23036 |
| 12 | 14.48 | 19 | 5 | 12.8 | 2.44 | 265 | 13.85 | 7681 | 13550 |
| 13 | 0.00 | 9 | -2 | 3.3 | 3.04 | 351 | 4.93 | 11944 | 20590 |
| 14 | 0.00 | 4 | -1 | 1.0 | 3.88 | 4 | 3.44 | 12721 | 20647 |
| 15 | 0.00 | 10 | -4 | 3.1 | 0.78 | 309 | 4.77 | 15169 | 25944 |
| 16 | 0.00 | 17 | -1 | 7.7 | 0.78 | 255 | 7.11 | 14422 | 24447 |
| 17 | 0.00 | 19 | 6 | 11.5 | 1.37 | 254 | 9.81 | 13323 | 22489 |
| 18 | 19.81 | 13 | 6 | 8.9 | 2.12 | 20 | 10.81 | 1323 | 2446 |
| 19 | 0.00 | 7 | 1 | 4.6 | 2.02 | 74 | 7.17 | 10983 | 19164 |
| 20 | 0.00 | 6 | -1 | 3.7 | 2.53 | 31 | 5.78 | 14485 | 24157 |
| 21 | 0.00 | 3 | -1 | 0.9 | 3.35 | 18 | 3.85 | 11134 | 18709 |
| 22 | 0.00 | -0 | -4 | -2.3 | 3.74 | 37 | 2.61 | 17058 | 28844 |
| 23 | 0.00 | 1 | -6 | -2.1 | 1.45 | 76 | 3.16 | 8565 | 14921 |
| 24 | 1.02 | 3 | -2 | 0.6 | 2.71 | 42 | 5.46 | 4578 | 7777 |
| 25 | 2.03 | 5 | -1 | 1.5 | 1.07 | 355 | 6.21 | 7407 | 12762 |
| 26 | 5.08 | 9 | -1 | 3.2 | 2.77 | 354 | 5.96 | 16297 | 27000 |
| 27 | 0.00 | 9 | -3 | 4.0 | 0.59 | 125 | 6.46 | 15770 | 27390 |
| 28 | 16.77 | 14 | 7 | 9.4 | 1.44 | 304 | 11.06 | 3458 | 6077 |
| Mon. Tot. Precip. 75.2 mm | Mean wind vel. 1.904 m/s |
| Mon. Mean Temp. 5.4 deg. C | Wind dir 357 deg |
| Mean Max. Temp. 10.1 deg. C | Mean Min. Temp. 0.5 deg. C |
| Extreme Max. Temp 19.3 deg. C | Mean vapor press 7.38 mb |
| Extreme Min. Temp -5.8 deg. C | Total Solar Rad 274898 KJ/sq. m |
| Total photosyn. 469540 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 |