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| VIRGINIA COAST RESERVE LONG-TERM ECOLOGICAL RESEARCH |
Site PHCK, Month DEC, 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 | 2 | 5.6 | 2.19 | 29 | 7.18 | 6021 | 10694 |
| 2 | 0.00 | 14 | 4 | 9.2 | 1.44 | 30 | 10.94 | 8006 | 15301 |
| 3 | 0.00 | 14 | 2 | 8.1 | 0.80 | 311 | 9.93 | 7708 | 14526 |
| 4 | 0.60 | 15 | 5 | 11.0 | 0.43 | 207 | 13.38 | 2688 | 5346 |
| 5 | 14.50 | 17 | 9 | 12.9 | 4.12 | 288 | 14.23 | 3818 | 7301 |
| 6 | 0.00 | 12 | 0 | 6.4 | 1.04 | 327 | 8.31 | 9774 | 17512 |
| 7 | 0.00 | 11 | -1 | 6.4 | 1.83 | 342 | 7.35 | 9709 | 17271 |
| 8 | 0.00 | 13 | -1 | 5.2 | 1.04 | 269 | 8.03 | 8695 | 15282 |
| 9 | 0.00 | 12 | -2 | 4.2 | 0.35 | 303 | 7.16 | 7159 | 13006 |
| 10 | 5.40 | 14 | 5 | 10.0 | 1.97 | 218 | 11.56 | 4917 | 9121 |
| 11 | 7.70 | 11 | -1 | 6.3 | 5.13 | 321 | 7.81 | 4342 | 8083 |
| 12 | 0.00 | 3 | -3 | -0.1 | 5.26 | 334 | 3.37 | 7715 | 13665 |
| 13 | 0.00 | 8 | 2 | 4.5 | 3.35 | 341 | 4.57 | 9668 | 17539 |
| 14 | 0.00 | 9 | 3 | 5.2 | 1.21 | 5 | 6.94 | 4063 | 7614 |
| 15 | 15.00 | 10 | 6 | 8.0 | 3.98 | 40 | 10.84 | 1763 | 3649 |
| 16 | 10.80 | 8 | 5 | 7.8 | 3.80 | 354 | 9.91 | 1461 | 3040 |
| 17 | 0.00 | 6 | -2 | 2.7 | 1.43 | 32 | 6.32 | 8921 | 16061 |
| 18 | 3.20 | 8 | -3 | 3.4 | 0.93 | 230 | 7.77 | 4234 | 8039 |
| 19 | 0.80 | 10 | -1 | 6.4 | 2.06 | 289 | 8.37 | 9402 | 16827 |
| 20 | 2.50 | 11 | -3 | 4.0 | 0.45 | 56 | 7.71 | 5336 | 9977 |
| 21 | 8.90 | 11 | 2 | 6.9 | 4.11 | 283 | 8.50 | 6092 | 10995 |
| 22 | 0.00 | 6 | -1 | 2.4 | 2.14 | 279 | 5.09 | 5982 | 11165 |
| 23 | 7.40 | 3 | -3 | 1.0 | 1.04 | 345 | 6.43 | 2503 | 4917 |
| 24 | 0.00 | 6 | -4 | 0.5 | 0.98 | 244 | 5.85 | 6560 | 11897 |
| 25 | 0.00 | 4 | -4 | 1.3 | 1.93 | 251 | 5.88 | 4963 | 9126 |
| 26 | 0.00 | 4 | -3 | 0.9 | 4.94 | 272 | 3.45 | 9204 | 16642 |
| 27 | 0.00 | 2 | -3 | -0.5 | 2.48 | 43 | 5.02 | 4030 | 7798 |
| 28 | 0.00 | -0 | -5 | -1.9 | 2.29 | 15 | 5.23 | 1600 | 3255 |
| 29 | 0.00 | -0 | -5 | -2.6 | 2.60 | 339 | 5.12 | 1195 | 2575 |
| 30 | 0.00 | -2 | -10 | -4.0 | 3.44 | 317 | 3.40 | 9654 | 16782 |
| 31 | 1.50 | 2 | -12 | -5.1 | 1.33 | 247 | 3.43 | 9715 | 17355 |
| Mon. Tot. Precip. 78.3 mm | Mean wind vel. 2.260 m/s |
| Mon. Mean Temp. 4.1 deg. C | Wind dir 324 deg |
| Mean Max. Temp. 8.2 deg. C | Mean Min. Temp. -0.7 deg. C |
| Extreme Max. Temp 17.2 deg. C | Mean vapor press 7.39 mb |
| Extreme Min. Temp -12.0 deg. C | Total Solar Rad 186892 KJ/sq. m |
| Total photosyn. 342362 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 |