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| VIRGINIA COAST RESERVE LONG-TERM ECOLOGICAL RESEARCH |
Site PHCK, Month JAN, Year 1994 |
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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 | 12.70 | 8 | -7 | 0.4 | 0.74 | 215 | 6.11 | 6196 | 11521 |
| 2 | 13.80 | 9 | -1 | 4.5 | 1.19 | 345 | 8.04 | 8591 | 15546 |
| 3 | 5.40 | 7 | -1 | 5.2 | 4.08 | 49 | 8.71 | 1626 | 3367 |
| 4 | 7.40 | 10 | 2 | 6.6 | 5.27 | 267 | 8.82 | 5417 | 9985 |
| 5 | 0.00 | 6 | -3 | 1.6 | 2.58 | 309 | 4.90 | 9965 | 17678 |
| 6 | 0.00 | 9 | -4 | 3.6 | 1.24 | 164 | 6.59 | 7305 | 13261 |
| 7 | 0.00 | 17 | 7 | 11.0 | 2.19 | 220 | 10.24 | 7494 | 13905 |
| 8 | 5.40 | 16 | -3 | 4.7 | 2.86 | 326 | 7.89 | 4423 | 7800 |
| 9 | 0.00 | -0 | -5 | -3.2 | 3.00 | 339 | 2.71 | 10310 | 18027 |
| 10 | 0.00 | 0 | -7 | -3.9 | 1.43 | 4 | 2.99 | 10240 | 18106 |
| 11 | 0.60 | 4 | -8 | -0.6 | 0.83 | 323 | 5.68 | 4062 | 7798 |
| 12 | 9.50 | 10 | 2 | 5.0 | 2.18 | 12 | 9.49 | 1998 | 4081 |
| 13 | 0.00 | 5 | -1 | 2.4 | 1.38 | 341 | 7.33 | 4960 | 9207 |
| 14 | 6.30 | 5 | -4 | 2.0 | 2.18 | 314 | 7.15 | 3469 | 6569 |
| 15 | 0.00 | -4 | -12 | -7.6 | 4.44 | 317 | 2.05 | 5716 | 10046 |
| 16 | 0.00 | -8 | -13 | -10.5 | 3.14 | 326 | 1.59 | 11045 | 19511 |
| 17 | 16.80 | 8 | -11 | 0.6 | 1.12 | 242 | 6.94 | 3081 | 6117 |
| 18 | 3.40 | 5 | -12 | -4.2 | 3.75 | 344 | 4.08 | 2385 | 4619 |
| 19 | 0.00 | -12 | -16 | -14.2 | 3.26 | 344 | 1.58 | 7719 | 13544 |
| 20 | 0.00 | -5 | -14 | -9.1 | 1.58 | 18 | 2.43 | 6597 | 11930 |
| 21 | 0.00 | -5 | -11 | -8.6 | 2.05 | 349 | 2.28 | 11639 | 20385 |
| 22 | 0.00 | 4 | -10 | -2.5 | 1.30 | 278 | 3.98 | 6775 | 12674 |
| 23 | 0.00 | 9 | -6 | 2.1 | 1.68 | 216 | 5.18 | 11328 | 20152 |
| 24 | 0.00 | 16 | 0 | 8.0 | 2.33 | 260 | 7.95 | 11377 | 20515 |
| 25 | 0.30 | 9 | -2 | 4.1 | 1.38 | 59 | 7.36 | 5216 | 9946 |
| 26 | 0.00 | 8 | 1 | 3.5 | 3.17 | 41 | 7.76 | 3247 | 6289 |
| 27 | 2.90 | 8 | 2 | 3.8 | 3.46 | 57 | 8.07 | 1419 | 3037 |
| 28 | 7.60 | 15 | 7 | 10.7 | 2.27 | 226 | 13.26 | 2033 | 4211 |
| 29 | 0.00 | 14 | 3 | 6.9 | 1.73 | 356 | 8.67 | 5110 | 9569 |
| 30 | 0.30 | 4 | -1 | 1.4 | 2.65 | 37 | 5.52 | 2337 | 4668 |
| 31 | 2.40 | 0 | -5 | -1.4 | 1.63 | 2 | 5.20 | 4265 | 8152 |
| Mon. Tot. Precip. 94.8 mm | Mean wind vel. 2.325 m/s |
| Mon. Mean Temp. 0.7 deg. C | Wind dir 342 deg |
| Mean Max. Temp. 5.6 deg. C | Mean Min. Temp. -4.2 deg. C |
| Extreme Max. Temp 16.9 deg. C | Mean vapor press 6.15 mb |
| Extreme Min. Temp -15.7 deg. C | Total Solar Rad 187342 KJ/sq. m |
| Total photosyn. 342215 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 |