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| VIRGINIA COAST RESERVE LONG-TERM ECOLOGICAL RESEARCH |
Site PHCK, Month JAN, Year 2001 |
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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 mMoles/m2 |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 0.00 | 2 | -4 | -1.1 | 1.86 | 255 | 3.70 | 8195 | 11322 |
| 2 | 0.00 | 2 | -4 | -0.7 | 3.12 | 253 | 3.66 | 9147 | 12750 |
| 3 | 0.00 | 1 | -8 | -3.2 | 1.92 | 250 | 3.14 | 9885 | 13917 |
| 4 | 0.00 | 4 | -7 | -2.3 | 1.27 | 245 | 3.80 | 9162 | 14691 |
| 5 | 0.00 | 4 | -7 | -0.9 | 0.95 | 247 | 5.02 | 2597 | 4332 |
| 6 | 0.00 | 7 | -5 | 1.2 | 1.82 | 247 | 5.28 | 9003 | 14614 |
| 7 | 0.00 | 12 | -5 | 3.6 | 1.21 | 247 | 5.79 | 8119 | 13523 |
| 8 | 0.76 | 12 | 3 | 7.2 | 1.64 | 246 | 8.08 | 2081 | 3681 |
| 9 | 0.00 | 13 | -1 | 2.7 | 3.85 | 244 | 5.47 | 9699 | 15036 |
| 10 | 0.00 | 5 | -3 | 0.7 | 2.14 | 238 | 3.76 | 10073 | 16100 |
| 11 | 0.00 | 15 | -3 | 4.5 | 1.49 | 184 | 4.59 | 10285 | 16252 |
| 12 | 0.00 | 9 | 0 | 5.8 | 2.75 | 184 | 6.98 | 6336 | 10430 |
| 13 | 0.00 | 9 | 0 | 5.7 | 2.45 | 221 | 7.38 | 10299 | 16945 |
| 14 | 7.11 | 12 | -2 | 5.7 | 0.97 | 259 | 8.89 | 5862 | 10012 |
| 15 | 1.52 | 29 | 10 | 19.5 | 1.05 | 249 | 23.78 | 4355 | 7383 |
| 16 | 0.25 | 31 | 1 | 16.0 | 1.63 | 119 | 19.85 | 9067 | 14279 |
| 17 | 0.00 | 9 | -1 | 2.8 | 0.62 | 117 | 6.25 | 7631 | 12560 |
| 18 | 8.38 | 17 | 0 | 8.7 | 1.11 | 101 | 11.54 | 1105 | 2153 |
| 19 | 1.78 | 29 | 16 | 21.6 | 0.79 | 99 | 26.84 | 2525 | 4508 |
| 20 | 10.16 | 32 | 20 | 27.1 | 2.23 | 95 | 36.74 | 820 | 1636 |
| 21 | 0.25 | 26 | -4 | 7.1 | 3.80 | 115 | 10.56 | 10997 | 17018 |
| 22 | 0.00 | 4 | -5 | -1.7 | 0.96 | 109 | 4.02 | 10340 | 15978 |
| 23 | 0.00 | 4 | -4 | 0.4 | 2.09 | 176 | 4.93 | 9187 | 14572 |
| 24 | 0.00 | 8 | -0 | 3.5 | 1.19 | 200 | 6.10 | 8600 | 13461 |
| 25 | 0.00 | 5 | 0 | 2.8 | 3.46 | 196 | 5.15 | 10054 | 15327 |
| 26 | 0.00 | 5 | -2 | 0.4 | 2.18 | 196 | 4.01 | 11434 | 18152 |
| 27 | 0.00 | 12 | 1 | 5.2 | 4.22 | 196 | 5.16 | 9339 | 14469 |
| 28 | 0.00 | 7 | -1 | 2.0 | 1.68 | 196 | 4.52 | 12082 | 18937 |
| 29 | 0.00 | 6 | -3 | 1.9 | 0.76 | 196 | 6.04 | 9125 | 14602 |
| 30 | 2.54 | 23 | 3 | 12.5 | 2.99 | 192 | 12.24 | 6167 | 9768 |
| 31 | 0.00 | 18 | 4 | 12.4 | 3.45 | 195 | 9.28 | 10383 | 16667 |
| Mon. Tot. Precip. 32.8 mm | Mean wind vel. 1.988 m/s |
| Mon. Mean Temp. 5.5 deg. C | Wind dir 203 deg |
| Mean Max. Temp. 12.0 deg. C | Mean Min. Temp. -0.3 deg. C |
| Extreme Max. Temp 31.6 deg. C | Mean vapor press 8.79 mb |
| Extreme Min. Temp -7.7 deg. C | Total Solar Rad 243954 KJ/sq. m |
| Total photosyn. 385074 mMoles/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 (milli-moles per m squared) |
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| Hourly Photosynthetically Active Radiation (milliMoles 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 |