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| VIRGINIA COAST RESERVE LONG-TERM ECOLOGICAL RESEARCH |
Site HOGI, Month DEC, 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 | 18 | 12 | 15.3 | 1.44 | 204 | 15.35 | 4028 | 9196 |
| 2 | 6.30 | 18 | 12 | 14.3 | 2.04 | 99 | 15.51 | 1634 | 4391 |
| 3 | 4.20 | 18 | 14 | 16.0 | 2.83 | 196 | 16.86 | 4636 | 11479 |
| 4 | 0.00 | 16 | 1 | 6.7 | 4.20 | 299 | 5.51 | 7974 | 15758 |
| 5 | 0.00 | 3 | -3 | 0.5 | 2.20 | 319 | 3.21 | 10087 | 19843 |
| 6 | 0.00 | 13 | 2 | 5.8 | 1.99 | 246 | 5.32 | 10446 | 19551 |
| 7 | 0.00 | 15 | 2 | 8.9 | 1.15 | 216 | 7.78 | 10351 | 19597 |
| 8 | 0.00 | 18 | 5 | 10.4 | 1.20 | 210 | 8.82 | 9914 | 19276 |
| 9 | 7.10 | 19 | 12 | 14.0 | 1.56 | 211 | 11.39 | 8058 | 16441 |
| 10 | 10.00 | 14 | 2 | 8.0 | 2.40 | 3 | 9.03 | 8653 | 17057 |
| 11 | 0.30 | 13 | 1 | 5.8 | 0.36 | 170 | 8.08 | 10192 | 19358 |
| 12 | 0.50 | 14 | 3 | 8.8 | 0.45 | 143 | 10.42 | 5634 | 11833 |
| 13 | 0.00 | 19 | 11 | 14.4 | 1.95 | 206 | 13.74 | 6703 | 14306 |
| 14 | 0.00 | 17 | 9 | 14.9 | 2.41 | 246 | 13.84 | 2504 | 5603 |
| 15 | 0.00 | 9 | 3 | 5.8 | 2.75 | 290 | 3.39 | 10470 | 19615 |
| 16 | 0.00 | 6 | -5 | 1.1 | 2.50 | 319 | 3.29 | 9878 | 18889 |
| 17 | 0.00 | 11 | -5 | 5.4 | 1.85 | 216 | 4.82 | 9600 | 18094 |
| 18 | 0.00 | 8 | 0 | 4.9 | 3.02 | 344 | 4.41 | 9787 | 18275 |
| 19 | 0.00 | 1 | -4 | -2.1 | 4.78 | 354 | 2.62 | 9967 | 19293 |
| 20 | 0.00 | 6 | -3 | 1.0 | 1.95 | 343 | 3.18 | 9984 | 18991 |
| 21 | 0.80 | 10 | 3 | 5.8 | 2.10 | 264 | 5.22 | 4386 | 8231 |
| 22 | 0.00 | 10 | 0 | 4.6 | 1.42 | 329 | 5.14 | 10235 | 19085 |
| 23 | 0.60 | 13 | 2 | 7.5 | 1.40 | 213 | 8.75 | 5082 | 10402 |
| 24 | 0.60 | 11 | -2 | 5.4 | 2.87 | 350 | 7.10 | 6689 | 12937 |
| 25 | 0.00 | 9 | -3 | 1.9 | 0.79 | 327 | 5.12 | 9995 | 18801 |
| 26 | 0.00 | 9 | -2 | 2.9 | 0.79 | 24 | 6.27 | 9927 | 18557 |
| 27 | 0.00 | 7 | 2 | 5.1 | 1.73 | 18 | 6.74 | 2390 | 4852 |
| 28 | 2.00 | 10 | 2 | 6.3 | 2.34 | 41 | 8.55 | 7092 | 14132 |
| 29 | 35.70 | 16 | 8 | 10.9 | 1.82 | 210 | 12.60 | 3721 | 7864 |
| 30 | 0.60 | 9 | 4 | 6.6 | 3.45 | 338 | 7.57 | 3935 | 8090 |
| 31 | 0.00 | 4 | 1 | 3.1 | 4.12 | 14 | 5.78 | 2518 | 5193 |
| Mon. Tot. Precip. 68.7 mm | Mean wind vel. 2.124 m/s |
| Mon. Mean Temp. 7.1 deg. C | Wind dir 312 deg |
| Mean Max. Temp. 11.7 deg. C | Mean Min. Temp. 2.7 deg. C |
| Extreme Max. Temp 19.4 deg. C | Mean vapor press 7.92 mb |
| Extreme Min. Temp -5.3 deg. C | Total Solar Rad 226468 KJ/sq. m |
| Total photosyn. 444990 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 |