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| VIRGINIA COAST RESERVE LONG-TERM ECOLOGICAL RESEARCH |
Site HOGI, Month JAN, Year 1999 |
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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 | 0.25 | 4 | -4 | 0.1 | 1.47 | 307 | 4.47 | 10757 | 18108 |
| 2 | 0.00 | 13 | -4 | 1.4 | 2.64 | 187 | 5.84 | 2977 | 5724 |
| 3 | 5.84 | 35 | 6 | 15.4 | 1.77 | 259 | 18.09 | 5346 | 9284 |
| 4 | 0.00 | 8 | -3 | 1.0 | 1.14 | 313 | 4.80 | 8694 | 15564 |
| 5 | 0.00 | -1 | -5 | -3.7 | 1.45 | 313 | 3.07 | 8718 | 15284 |
| 6 | 0.00 | 2 | -9 | -2.3 | 0.99 | 285 | 3.54 | 7635 | 14684 |
| 7 | 0.00 | 8 | 0 | 3.3 | 1.02 | 307 | 5.39 | 8097 | 15222 |
| 8 | 0.76 | 9 | 1 | 5.4 | 1.24 | 192 | 7.43 | 2878 | 6218 |
| 9 | 2.29 | 26 | 1 | 10.8 | 2.21 | 285 | 13.15 | 4417 | 9122 |
| 10 | 0.00 | 2 | -5 | -1.2 | 2.01 | 298 | 3.85 | 11288 | 20615 |
| 11 | 0.00 | 5 | -0 | 2.3 | 0.98 | 282 | 4.82 | 10760 | 19464 |
| 12 | 0.00 | 14 | 5 | 7.9 | 1.56 | 275 | 7.79 | 9978 | 18544 |
| 13 | 0.00 | 14 | 6 | 8.5 | 1.06 | 279 | 8.53 | 6475 | 12526 |
| 14 | 3.56 | 10 | 6 | 7.8 | 1.00 | 113 | 10.31 | 3695 | 7820 |
| 15 | 11.43 | 25 | 1 | 9.2 | 1.66 | 285 | 11.81 | 5349 | 10226 |
| 16 | 0.00 | 9 | -3 | 4.0 | 0.99 | 273 | 7.31 | 10563 | 19664 |
| 17 | 0.00 | 13 | 1 | 6.9 | 0.55 | 229 | 8.63 | 9169 | 16938 |
| 18 | 3.81 | 29 | 8 | 15.8 | 1.77 | 258 | 18.62 | 3254 | 6857 |
| 19 | 0.00 | 18 | 3 | 11.0 | 0.36 | 296 | 9.85 | 12397 | 21767 |
| 20 | 0.25 | 12 | 3 | 7.5 | 0.59 | 233 | 9.25 | 6876 | 13124 |
| 21 | 0.00 | 14 | 4 | 9.5 | 0.64 | 261 | 11.34 | 9058 | 16845 |
| 22 | 0.00 | 13 | 8 | 10.1 | 0.77 | 210 | 12.40 | 4986 | 9803 |
| 23 | 0.51 | 22 | 13 | 15.6 | 1.97 | 265 | 17.50 | 11680 | 21565 |
| 24 | 38.35 | 42 | 16 | 25.8 | 1.69 | 286 | 35.62 | 905 | 2262 |
| 25 | 0.00 | 17 | 6 | 10.5 | 0.90 | 303 | 10.76 | 12190 | 21824 |
| 26 | 0.00 | 10 | 3 | 6.0 | 0.92 | 302 | 6.87 | 12070 | 21040 |
| 27 | 0.00 | 15 | 5 | 9.4 | 1.00 | 284 | 10.51 | 11757 | 20941 |
| 28 | 0.00 | 22 | 7 | 14.8 | 0.33 | 297 | 13.26 | 11848 | 20610 |
| 29 | 0.00 | 15 | 5 | 8.8 | 1.55 | 320 | 8.46 | 13230 | 22708 |
| 30 | 0.00 | 8 | 0 | 4.0 | 0.90 | 233 | 6.41 | 13381 | 22779 |
| 31 | 0.00 | 3 | -1 | 1.1 | 2.39 | 102 | 5.15 | 4981 | 9563 |
| Mon. Tot. Precip. 67.1 mm | Mean wind vel. 1.275 m/s |
| Mon. Mean Temp. 7.3 deg. C | Wind dir 279 deg |
| Mean Max. Temp. 14.1 deg. C | Mean Min. Temp. 2.3 deg. C |
| Extreme Max. Temp 42.2 deg. C | Mean vapor press 9.83 mb |
| Extreme Min. Temp -9.2 deg. C | Total Solar Rad 255409 KJ/sq. m |
| Total photosyn. 466694 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 |