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| VIRGINIA COAST RESERVE LONG-TERM ECOLOGICAL RESEARCH |
Site HOGI, Month JAN, Year 1991 |
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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 | 10 | -1 | 4.4 | 3.05 | 22 | 6.85 | 8104 | 17632 |
| 2 | 6.40 | 9 | 5 | 7.4 | 2.62 | 359 | 9.86 | 2380 | 4446 |
| 3 | 0.30 | 12 | 3 | 7.0 | 1.27 | 2 | 8.56 | 8286 | 15890 |
| 4 | 0.00 | 7 | 2 | 4.1 | 3.10 | 7 | 5.62 | 7607 | 16245 |
| 5 | 0.00 | 8 | 2 | 5.3 | 2.00 | 40 | 7.07 | 1662 | 3403 |
| 6 | 0.00 | 15 | 4 | 7.9 | 1.27 | 202 | 9.40 | 8951 | 20060 |
| 7 | 15.90 | 8 | 3 | 6.0 | 5.66 | 29 | 9.03 | 1406 | 2753 |
| 8 | 26.40 | 9 | 2 | 5.1 | 6.44 | 30 | 8.46 | 1973 | 4892 |
| 9 | 35.60 | 11 | 4 | 6.8 | 5.23 | 348 | 2.61 | 4142 | 9161 |
| 10 | 0.00 | 8 | 1 | 5.1 | 1.93 | 16 | 4.41 | 7885 | 16269 |
| 11 | 24.50 | 14 | 6 | 9.8 | 3.88 | 90 | 9.86 | 1457 | 3929 |
| 12 | 11.80 | 14 | 7 | 8.6 | 2.35 | 282 | 2.26 | 4085 | 8726 |
| 13 | 0.00 | 7 | 0 | 4.0 | 4.17 | 343 | 1.65 | 6968 | 15222 |
| 14 | 0.00 | 9 | -4 | 3.2 | 1.68 | 221 | 1.60 | 9954 | 21885 |
| 15 | 0.30 | 13 | 2 | 7.3 | 1.68 | 196 | 1.99 | 11035 | 23884 |
| 16 | 10.10 | 15 | 9 | 11.9 | 2.59 | 172 | 2.64 | 4052 | 9366 |
| 17 | 0.00 | 12 | 2 | 8.8 | 2.31 | 292 | 2.13 | 10846 | 23863 |
| 18 | 0.00 | 11 | 0 | 6.1 | 2.41 | 274 | 1.86 | 11170 | 24928 |
| 19 | 0.00 | 10 | 2 | 6.5 | 2.12 | 232 | 1.88 | 5369 | 13247 |
| 20 | 10.10 | 14 | 6 | 8.6 | 2.03 | 298 | 2.15 | 10799 | 24478 |
| 21 | 0.00 | 9 | 0 | 6.5 | 4.28 | 324 | 1.89 | 9079 | 20686 |
| 22 | 0.00 | 0 | -7 | -3.3 | 4.84 | 351 | 1.08 | 10025 | 22605 |
| 23 | 0.00 | 6 | -8 | -0.2 | 1.59 | 213 | 1.34 | 11287 | 25694 |
| 24 | 0.00 | 7 | 2 | 4.7 | 1.72 | 253 | 1.74 | 3545 | 9124 |
| 25 | 0.00 | 4 | -4 | -0.5 | 3.38 | 4 | 1.30 | 11725 | 26461 |
| 26 | 0.30 | 7 | -4 | 1.4 | 1.49 | 100 | 1.46 | 11773 | 26722 |
| 27 | 0.00 | 9 | -1 | 5.0 | 2.11 | 180 | 1.82 | 11443 | 26095 |
| 28 | 0.00 | 13 | 3 | 7.6 | 1.42 | 188 | 2.05 | 6052 | 14505 |
| 29 | 0.00 | 11 | 4 | 7.2 | 1.70 | 45 | 2.11 | 7225 | 17125 |
| 30 | 1.10 | 13 | 6 | 9.2 | 1.95 | 204 | 2.31 | 2505 | 6372 |
| 31 | 0.00 | 15 | 1 | 8.4 | 4.03 | 323 | 2.21 | 9057 | 19986 |
| Mon. Tot. Precip. 142.8 mm | Mean wind vel. 2.784 m/s |
| Mon. Mean Temp. 5.8 deg. C | Wind dir 352 deg |
| Mean Max. Temp. 10.0 deg. C | Mean Min. Temp. 1.6 deg. C |
| Extreme Max. Temp 15.2 deg. C | Mean vapor press 3.85 mb |
| Extreme Min. Temp -8.5 deg. C | Total Solar Rad 221843 KJ/sq. m |
| Total photosyn. 495652 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 |