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| VIRGINIA COAST RESERVE LONG-TERM ECOLOGICAL RESEARCH |
Site PHCK, Month JAN, Year 1998 |
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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 | 2 | -5 | -1.5 | 2.93 | 230 | 2.68 | 9427 | 17387 |
| 2 | 0.00 | 13 | 2 | 6.7 | 4.64 | 180 | 4.48 | 9137 | 16765 |
| 3 | 0.00 | 17 | 7 | 11.2 | 3.33 | 177 | 8.70 | 9311 | 16955 |
| 4 | 0.00 | 19 | 7 | 12.0 | 1.39 | 178 | 10.95 | 9102 | 16853 |
| 5 | 0.00 | 18 | 3 | 10.1 | 0.18 | 149 | 11.28 | 9150 | 17505 |
| 6 | 0.00 | 18 | 11 | 13.7 | 0.80 | 164 | 15.29 | 4389 | 8449 |
| 7 | 0.00 | 18 | 11 | 13.5 | 0.82 | 165 | 15.09 | 4719 | 9348 |
| 8 | 0.00 | 20 | 12 | 15.0 | 2.18 | 167 | 16.57 | 3095 | 6115 |
| 9 | 0.00 | 18 | 10 | 14.4 | 2.99 | 181 | 12.52 | 9467 | 17775 |
| 10 | 0.00 | 12 | 0 | 6.5 | 0.83 | 304 | 6.77 | 9217 | 17077 |
| 11 | 0.00 | 12 | -1 | 4.5 | 0.19 | 177 | 7.60 | 7696 | 14140 |
| 12 | 5.84 | 9 | -1 | 5.0 | 0.73 | 60 | 7.05 | 4225 | 8139 |
| 13 | 0.00 | 14 | 6 | 9.9 | 1.81 | 178 | 11.03 | 1672 | 3196 |
| 14 | 8.89 | 7 | -2 | 1.3 | 1.98 | 10 | 4.08 | 6396 | 11721 |
| 15 | 0.00 | 13 | -2 | 8.1 | 2.00 | 88 | 10.56 | 736 | 1680 |
| 16 | 0.25 | 9 | 3 | 5.7 | 2.64 | 335 | 8.96 | 1382 | 2846 |
| 17 | 0.00 | 5 | 3 | 4.1 | 1.11 | 306 | 7.23 | 3112 | 5862 |
| 18 | 3.56 | 7 | -2 | 3.9 | 1.80 | 289 | 6.87 | 7224 | 13243 |
| 19 | 0.00 | 5 | -2 | 2.3 | 0.58 | 11 | 6.69 | 2012 | 3752 |
| 20 | 0.00 | 5 | 0 | 3.2 | 2.70 | 283 | 5.46 | 8693 | 15097 |
| 21 | 0.00 | 5 | -3 | 0.9 | 1.02 | 282 | 4.62 | 10097 | 18766 |
| 22 | 0.00 | 6 | -3 | 2.8 | 0.82 | 74 | 6.31 | 4278 | 7746 |
| 23 | 16.25 | 12 | 6 | 9.9 | 1.59 | 113 | 11.85 | 863 | 1822 |
| 24 | 0.00 | 11 | 3 | 6.9 | 2.75 | 293 | 9.47 | 4081 | 7624 |
| 25 | 0.00 | 7 | -1 | 3.3 | 3.62 | 257 | 5.64 | 10857 | 19315 |
| 26 | 6.10 | 7 | -2 | 2.3 | 1.04 | 67 | 5.66 | 10981 | 20431 |
| 27 | 3.56 | 11 | 2 | 7.4 | 3.18 | 65 | 9.53 | 4664 | 8603 |
| 28 | 0.00 | 11 | 8 | 8.8 | 7.83 | 55 | 10.81 | 725 | 1499 |
| Mon. Tot. Precip. 44.4 mm | Mean wind vel. 2.053 m/s |
| Mon. Mean Temp. 6.9 deg. C | Wind dir 167 deg |
| Mean Max. Temp. 11.1 deg. C | Mean Min. Temp. 2.6 deg. C |
| Extreme Max. Temp 19.8 deg. C | Mean vapor press 8.71 mb |
| Extreme Min. Temp -4.8 deg. C | Total Solar Rad 166708 KJ/sq. m |
| Total photosyn. 309711 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 |