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| VIRGINIA COAST RESERVE LONG-TERM ECOLOGICAL RESEARCH |
Site PHCK, Month JAN, Year 1992 |
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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 | 9 | 1 | 4.1 | 2.67 | 27 | 7.12 | 8603 | 15907 |
| 2 | 0.00 | 14 | 2 | 9.3 | 1.90 | 51 | 11.13 | 7465 | 14466 |
| 3 | 0.00 | 14 | 9 | 11.2 | 3.10 | 62 | 12.25 | 4108 | 8104 |
| 4 | 0.30 | 13 | 7 | 10.3 | 4.47 | 20 | 11.91 | 3046 | 6357 |
| 5 | 0.00 | 10 | 7 | 8.5 | 3.23 | 331 | 9.72 | 4798 | 9217 |
| 6 | 0.00 | 8 | -2 | 3.7 | 1.12 | 304 | 6.33 | 6902 | 12678 |
| 7 | 0.00 | 8 | -2 | 3.2 | 2.40 | 313 | 5.74 | 9290 | 16546 |
| 8 | 0.00 | 9 | -4 | 2.4 | 0.80 | 319 | 5.37 | 9589 | 17224 |
| 9 | 0.00 | 12 | 0 | 7.1 | 1.12 | 208 | 9.83 | 1719 | 3614 |
| 11 | 0.00 | 9 | -3 | 3.4 | 1.83 | 278 | 5.16 | 5292 | 9287 |
| 12 | 0.00 | 11 | -4 | 3.7 | 0.68 | 187 | 6.80 | 9554 | 17404 |
| 13 | 0.00 | 14 | 7 | 10.6 | 1.53 | 204 | 11.04 | 2313 | 4724 |
| 14 | 0.00 | 20 | 6 | 12.8 | 4.51 | 233 | 10.88 | 8951 | 16938 |
| 15 | 0.00 | 5 | -6 | -0.2 | 3.53 | 303 | 3.04 | 10190 | 18072 |
| 16 | 0.00 | 2 | -5 | -2.0 | 5.44 | 280 | 2.12 | 9245 | 15911 |
| 17 | 0.00 | 8 | -6 | 2.1 | 3.43 | 234 | 3.21 | 9618 | 17622 |
| 18 | 0.00 | 7 | -4 | 1.6 | 1.35 | 312 | 3.83 | 10345 | 18563 |
| 19 | 0.00 | -1 | -10 | -5.2 | 2.81 | 349 | 2.04 | 9630 | 17164 |
| 20 | 0.00 | 6 | -10 | -2.4 | 1.86 | 240 | 3.41 | 7320 | 12954 |
| 21 | 0.00 | 13 | -7 | 3.0 | 1.88 | 227 | 4.90 | 10766 | 19847 |
| 22 | 0.00 | 9 | 2 | 5.4 | 2.25 | 52 | 7.37 | 8435 | 15811 |
| 23 | 0.00 | 15 | 5 | 9.5 | 1.29 | 189 | 12.00 | 1241 | 3477 |
| 24 | 0.00 | 14 | -1 | 6.8 | 5.47 | 259 | 5.87 | 9646 | 17699 |
| 25 | 0.00 | 3 | -4 | 0.2 | 2.21 | 289 | 3.08 | 8643 | 15805 |
| 26 | 0.00 | 4 | -5 | 0.7 | 3.23 | 326 | 4.20 | 10542 | 18937 |
| 27 | 0.00 | 8 | -6 | 0.8 | 0.45 | 161 | 5.32 | 8604 | 16102 |
| 28 | 0.00 | 8 | 0 | 4.8 | 0.80 | 49 | 8.28 | 5266 | 10225 |
| 29 | 0.00 | 8 | -3 | 2.8 | 1.40 | 349 | 6.66 | 8036 | 14872 |
| 30 | 0.00 | 9 | -4 | 2.3 | 0.48 | 191 | 7.01 | 6173 | 11429 |
| 31 | 0.00 | 10 | -2 | 4.3 | 1.28 | 321 | 6.97 | 4865 | 9013 |
| Mon. Tot. Precip. 0.3 mm | Mean wind vel. 2.284 m/s |
| Mon. Mean Temp. 4.2 deg. C | Wind dir 294 deg |
| Mean Max. Temp. 9.3 deg. C | Mean Min. Temp. -1.3 deg. C |
| Extreme Max. Temp 19.9 deg. C | Mean vapor press 6.75 mb |
| Extreme Min. Temp -10.0 deg. C | Total Solar Rad 220194 KJ/sq. m |
| Total photosyn. 405970 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 |