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| VIRGINIA COAST RESERVE LONG-TERM ECOLOGICAL RESEARCH |
Site PHCK, Month FEB, Year 1993 |
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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 | -4 | 3.9 | 4.24 | 336 | 4.66 | 11621 | 20729 |
| 2 | 0.00 | -2 | -8 | -4.7 | 4.73 | 352 | 2.29 | 13140 | 23747 |
| 3 | 0.00 | 9 | -8 | 1.0 | 2.15 | 259 | 3.32 | 13093 | 24242 |
| 4 | 0.00 | 9 | -1 | 4.7 | 2.80 | 329 | 4.05 | 13304 | 23820 |
| 5 | 0.00 | 12 | -5 | 3.8 | 1.78 | 242 | 4.69 | 12527 | 23072 |
| 6 | 0.00 | 12 | -2 | 3.9 | 3.43 | 18 | 5.31 | 9229 | 17197 |
| 7 | 0.00 | 4 | -3 | -0.6 | 2.14 | 36 | 5.02 | 7970 | 14852 |
| 8 | 0.00 | 9 | -2 | 3.5 | 2.47 | 1 | 6.87 | 6188 | 11934 |
| 9 | 0.00 | 6 | -3 | 1.5 | 1.94 | 37 | 5.36 | 11669 | 21918 |
| 10 | 0.00 | 11 | -3 | 4.1 | 0.40 | 95 | 7.64 | 11450 | 21111 |
| 11 | 0.80 | 11 | -1 | 4.8 | 2.65 | 56 | 8.19 | 11211 | 21272 |
| 12 | 13.00 | 7 | 2 | 5.4 | 4.77 | 36 | 9.11 | 1498 | 3381 |
| 13 | 1.20 | 7 | 1 | 4.0 | 3.12 | 275 | 7.90 | 3137 | 6369 |
| 14 | 0.00 | 7 | 1 | 3.8 | 3.70 | 321 | 5.19 | 13855 | 24934 |
| 15 | 0.00 | 6 | -4 | 2.3 | 0.85 | 71 | 4.94 | 14211 | 25792 |
| 16 | 6.10 | 14 | 3 | 8.3 | 2.11 | 220 | 10.87 | 1999 | 4200 |
| 17 | 0.00 | 12 | 3 | 5.8 | 3.21 | 310 | 6.24 | 14230 | 25929 |
| 18 | 0.00 | 4 | -4 | 0.3 | 2.64 | 352 | 4.29 | 12428 | 21938 |
| 19 | 0.00 | -3 | -9 | -6.1 | 3.38 | 342 | 2.15 | 14797 | 26062 |
| 20 | 0.00 | 5 | -7 | 0.5 | 2.15 | 232 | 4.96 | 9852 | 18238 |
| 21 | 16.50 | 8 | -3 | 3.1 | 0.76 | 158 | 7.97 | 1447 | 3317 |
| 22 | 0.00 | 21 | 6 | 12.5 | 2.88 | 251 | 10.77 | 13739 | 25053 |
| 23 | 0.00 | 6 | -3 | 2.4 | 2.54 | 303 | 4.41 | 13498 | 24018 |
| 24 | 0.00 | 2 | -3 | -0.7 | 3.30 | 323 | 2.73 | 15892 | 28030 |
| 25 | 0.00 | -1 | -4 | -2.8 | 2.06 | 3 | 2.59 | 15944 | 28150 |
| 26 | 16.80 | 1 | -2 | -0.3 | 2.62 | 56 | 5.61 | 1795 | 4155 |
| 27 | 4.10 | 1 | -3 | -1.1 | 3.53 | 4 | 5.12 | 9527 | 17955 |
| 28 | 0.00 | 2 | -8 | -1.8 | 2.05 | 341 | 3.45 | 17242 | 30665 |
| Mon. Tot. Precip. 58.5 mm | Mean wind vel. 2.656 m/s |
| Mon. Mean Temp. 2.2 deg. C | Wind dir 340 deg |
| Mean Max. Temp. 6.9 deg. C | Mean Min. Temp. -2.6 deg. C |
| Extreme Max. Temp 20.9 deg. C | Mean vapor press 5.56 mb |
| Extreme Min. Temp -8.6 deg. C | Total Solar Rad 296491 KJ/sq. m |
| Total photosyn. 542080 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 |