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| VIRGINIA COAST RESERVE LONG-TERM ECOLOGICAL RESEARCH |
Site PHCK, Month MAR, 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 | 4.06 | 11 | 4 | 7.2 | 3.41 | 308 | 7.61 | 13931 | 23631 |
| 2 | 0.00 | 14 | -2 | 6.1 | 1.57 | 303 | 6.01 | 18040 | 30293 |
| 3 | 3.81 | 18 | 6 | 11.3 | 1.57 | 233 | 11.32 | 14835 | 26707 |
| 4 | 0.25 | 10 | 3 | 6.1 | 6.28 | 298 | 5.31 | 14384 | 23475 |
| 5 | 0.00 | 9 | -3 | 3.5 | 1.25 | 17 | 4.84 | 16411 | 28858 |
| 6 | 0.00 | 18 | -0 | 9.9 | 1.15 | 252 | 9.74 | 8236 | 14464 |
| 7 | 0.00 | 15 | -2 | 2.4 | 5.56 | 12 | 4.24 | 16798 | 28187 |
| 8 | 0.00 | 2 | -5 | -1.2 | 3.07 | 27 | 2.98 | 19734 | 33636 |
| 9 | 6.60 | 2 | -4 | -0.9 | 1.11 | 89 | 4.53 | 2351 | 4119 |
| 10 | 4.57 | 4 | -0 | 1.4 | 3.00 | 27 | 5.77 | 13999 | 23593 |
| 11 | 0.00 | 6 | -1 | 2.6 | 4.02 | 2 | 4.25 | 19885 | 33751 |
| 12 | 0.00 | 8 | 1 | 4.1 | 4.54 | 353 | 4.49 | 19937 | 33620 |
| 13 | 0.00 | 7 | 1 | 3.8 | 2.70 | 307 | 5.01 | 17413 | 30475 |
| 14 | 43.44 | 12 | 2 | 5.0 | 1.56 | 23 | 8.28 | 2130 | 4075 |
| 15 | 17.53 | 9 | 1 | 4.6 | 2.93 | 319 | 7.87 | 3661 | 6343 |
| 16 | 0.00 | 12 | -1 | 5.8 | 2.27 | 243 | 5.86 | 20259 | 34201 |
| 17 | 0.00 | 23 | 8 | 14.1 | 2.42 | 207 | 8.37 | 20624 | 34673 |
| 18 | 0.00 | 25 | 9 | 17.3 | 4.30 | 232 | 8.67 | 19492 | 32757 |
| 19 | 0.00 | 13 | 3 | 8.5 | 3.14 | 295 | 5.90 | 20973 | 35398 |
| 20 | 0.00 | 11 | -0 | 6.0 | 1.25 | 292 | 5.84 | 21777 | 37110 |
| 21 | 10.67 | 12 | 5 | 9.2 | 0.65 | 146 | 10.45 | 3107 | 5737 |
| 22 | 9.14 | 13 | 2 | 7.5 | 3.35 | 251 | 7.09 | 21689 | 36355 |
| 23 | 0.00 | 11 | 0 | 7.5 | 0.62 | 51 | 7.70 | 11755 | 20553 |
| 24 | 1.02 | 20 | 9 | 13.2 | 1.16 | 179 | 13.13 | 13594 | 23339 |
| 25 | 0.00 | 14 | 8 | 10.3 | 1.71 | 332 | 9.91 | 15028 | 25546 |
| 26 | 0.00 | 9 | 3 | 6.0 | 3.14 | 11 | 6.50 | 16395 | 29058 |
| 27 | 25.65 | 7 | 0 | 3.2 | 2.86 | 317 | 6.84 | 3754 | 7257 |
| 28 | 17.78 | 11 | 3 | 6.2 | 3.21 | 277 | 8.37 | 8180 | 14684 |
| 29 | 0.00 | 21 | 3 | 12.1 | 1.89 | 265 | 7.87 | 22411 | 37821 |
| 30 | 0.00 | 18 | 4 | 12.3 | 1.65 | 288 | 6.12 | 23550 | 39464 |
| 31 | 0.00 | 21 | 3 | 13.0 | 1.93 | 190 | 8.36 | 21798 | 37038 |
| Mon. Tot. Precip. 144.5 mm | Mean wind vel. 2.558 m/s |
| Mon. Mean Temp. 7.0 deg. C | Wind dir 314 deg |
| Mean Max. Temp. 12.5 deg. C | Mean Min. Temp. 1.9 deg. C |
| Extreme Max. Temp 24.8 deg. C | Mean vapor press 7.07 mb |
| Extreme Min. Temp -4.8 deg. C | Total Solar Rad 466131 KJ/sq. m |
| Total photosyn. 796220 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 |