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| VIRGINIA COAST RESERVE LONG-TERM ECOLOGICAL RESEARCH |
Site PHCK, Month APR, 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 | 3.30 | 21 | 10 | 15.2 | 1.54 | 199 | 16.20 | 18552 | 33883 |
| 2 | 1.90 | 20 | 8 | 12.5 | 2.18 | 161 | 11.83 | 18263 | 33473 |
| 3 | 0.30 | 11 | 3 | 7.8 | 3.09 | 336 | 7.21 | 21340 | 37448 |
| 4 | 0.00 | 11 | -1 | 5.7 | 1.47 | 355 | 6.43 | 20576 | 37357 |
| 5 | 9.50 | 7 | 5 | 5.8 | 2.53 | 65 | 7.30 | 6311 | 12419 |
| 6 | 6.70 | 8 | 5 | 6.5 | 4.95 | 46 | 7.98 | 7728 | 15367 |
| 7 | 0.00 | 14 | 4 | 8.1 | 2.75 | 22 | 7.96 | 17596 | 31955 |
| 8 | 0.00 | 15 | 3 | 9.2 | 2.15 | 44 | 6.86 | 23293 | 41497 |
| 9 | 12.40 | 12 | 7 | 9.1 | 1.08 | 89 | 11.77 | 10726 | 20393 |
| 10 | 0.30 | 19 | 10 | 12.6 | 2.77 | 277 | 13.60 | 13406 | 25148 |
| 12 | 0.00 | 19 | 12 | 15.0 | 3.92 | 329 | 10.19 | 15660 | 28111 |
| 13 | 0.00 | 15 | 6 | 10.3 | 2.90 | 334 | 9.12 | 23474 | 42560 |
| 14 | 0.00 | 18 | 5 | 11.7 | 1.10 | 218 | 11.65 | 20940 | 38538 |
| 15 | 0.00 | 21 | 11 | 16.1 | 1.31 | 207 | 16.83 | 23329 | 42703 |
| 16 | 14.00 | 18 | 13 | 15.2 | 1.38 | 205 | 16.69 | 5095 | 10435 |
| 17 | 0.00 | 17 | 7 | 13.5 | 2.40 | 286 | 11.12 | 18727 | 34304 |
| 18 | 0.00 | 17 | 6 | 11.5 | 2.52 | 325 | 7.93 | 26116 | 45943 |
| 19 | 0.00 | 22 | 8 | 14.4 | 2.48 | 223 | 11.07 | 25518 | 45378 |
| 20 | 0.00 | 22 | 12 | 16.5 | 3.05 | 217 | 14.59 | 23632 | 43219 |
| 21 | 12.90 | 23 | 13 | 17.0 | 1.74 | 214 | 16.70 | 19019 | 35283 |
| 22 | 5.90 | 15 | 7 | 9.1 | 4.09 | 310 | 10.23 | 5175 | 10354 |
| 23 | 0.00 | 18 | 5 | 12.0 | 4.45 | 287 | 6.63 | 25194 | 44611 |
| 24 | 0.00 | 18 | 3 | 12.6 | 0.93 | 165 | 10.36 | 21643 | 39136 |
| 25 | 0.00 | 25 | 14 | 18.6 | 3.36 | 216 | 16.06 | 25427 | 46470 |
| 26 | 19.40 | 22 | 10 | 16.7 | 3.18 | 240 | 17.09 | 15663 | 29618 |
| 27 | 0.30 | 14 | 3 | 8.7 | 3.48 | 11 | 9.30 | 12515 | 23089 |
| 28 | 0.00 | 15 | 2 | 8.4 | 2.13 | 49 | 7.72 | 27054 | 48079 |
| 29 | 0.00 | 18 | 2 | 9.9 | 1.35 | 55 | 8.37 | 26983 | 48215 |
| 30 | 0.00 | 17 | 5 | 11.6 | 0.79 | 79 | 10.52 | 23078 | 41578 |
| Mon. Tot. Precip. 86.9 mm | Mean wind vel. 2.451 m/s |
| Mon. Mean Temp. 11.8 deg. C | Wind dir 317 deg |
| Mean Max. Temp. 17.0 deg. C | Mean Min. Temp. 6.8 deg. C |
| Extreme Max. Temp 24.9 deg. C | Mean vapor press 11.01 mb |
| Extreme Min. Temp -0.8 deg. C | Total Solar Rad 542030 KJ/sq. m |
| Total photosyn. 986563 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 |