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| VIRGINIA COAST RESERVE LONG-TERM ECOLOGICAL RESEARCH |
Site HOGI, Month SEP, 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 | 18.50 | 23 | 19 | 21.1 | 4.47 | 43 | 4.34 | 13394 | 28677 |
| 2 | 0.00 | 24 | 19 | 21.2 | 3.57 | 73 | 3.87 | 23770 | 48440 |
| 3 | 0.00 | 28 | 20 | 23.0 | 1.60 | 118 | 4.22 | 20469 | 41777 |
| 4 | 0.00 | 28 | 21 | 24.2 | 2.13 | 190 | 4.66 | 23256 | 46426 |
| 5 | 0.30 | 28 | 21 | 23.9 | 0.99 | 222 | 4.75 | 10825 | 22305 |
| 6 | 3.80 | 25 | 20 | 22.5 | 1.24 | 79 | 4.90 | 8736 | 18694 |
| 7 | 0.00 | 26 | 20 | 22.8 | 1.55 | 49 | 4.37 | 20071 | 40125 |
| 8 | 0.00 | 30 | 16 | 22.9 | 0.79 | 61 | 4.31 | 22825 | 44342 |
| 9 | 0.00 | 29 | 18 | 23.1 | 1.18 | 84 | 4.91 | 22236 | 42565 |
| 10 | 0.00 | 30 | 20 | 24.2 | 1.87 | 203 | 4.89 | 22127 | 41088 |
| 11 | 0.00 | 31 | 22 | 25.9 | 1.49 | 295 | 4.87 | 21078 | 39634 |
| 12 | 0.00 | 26 | 19 | 22.4 | 1.84 | 46 | 4.27 | 21540 | 42593 |
| 13 | 0.00 | 27 | 17 | 22.2 | 1.12 | 146 | 4.15 | 21784 | 42643 |
| 14 | 0.00 | 29 | 22 | 24.2 | 2.21 | 106 | 4.58 | 13307 | 26840 |
| 15 | 0.00 | 30 | 22 | 24.7 | 1.91 | 118 | 4.78 | 18526 | 37179 |
| 16 | 0.00 | 30 | 23 | 26.0 | 2.15 | 197 | 5.13 | 18805 | 36811 |
| 17 | 0.00 | 31 | 24 | 26.5 | 2.28 | 207 | 5.31 | 18705 | 36544 |
| 18 | 0.00 | 29 | 24 | 26.2 | 2.48 | 191 | 5.53 | 18482 | 36389 |
| 19 | 3.10 | 30 | 15 | 24.4 | 2.92 | 221 | 6.33 | 19832 | 38777 |
| 20 | 1.30 | 20 | 12 | 15.6 | 4.08 | 7 | 3.01 | 14159 | 28376 |
| 21 | 0.00 | 20 | 13 | 15.7 | 2.02 | 29 | 2.95 | 17768 | 35334 |
| 22 | 0.00 | 21 | 13 | 16.9 | 1.48 | 42 | 3.24 | 20602 | 40394 |
| 23 | 0.00 | 26 | 17 | 21.2 | 1.35 | 184 | 4.26 | 7415 | 16179 |
| 24 | 6.70 | 25 | 18 | 20.9 | 1.20 | 114 | 4.49 | 8081 | 16962 |
| 25 | 15.60 | 29 | 20 | 23.2 | 1.70 | 210 | 4.77 | 13177 | 26876 |
| 26 | 3.30 | 23 | 14 | 19.1 | 1.84 | 326 | 3.88 | 15666 | 29531 |
| 27 | 0.00 | 21 | 13 | 17.3 | 2.32 | 2 | 3.12 | 21194 | 39495 |
| 28 | 0.00 | 23 | 12 | 16.9 | 1.38 | 68 | 3.09 | 20573 | 38744 |
| 29 | 0.00 | 24 | 12 | 18.7 | 1.65 | 198 | 3.49 | 19963 | 38018 |
| 30 | 0.00 | 22 | 14 | 19.1 | 2.36 | 62 | 3.61 | 17270 | 33179 |
| Mon. Tot. Precip. 52.6 mm | Mean wind vel. 1.972 m/s |
| Mon. Mean Temp. 21.9 deg. C | Wind dir 86 deg |
| Mean Max. Temp. 26.2 deg. C | Mean Min. Temp. 18.0 deg. C |
| Extreme Max. Temp 31.3 deg. C | Mean vapor press 4.34 mb |
| Extreme Min. Temp 11.8 deg. C | Total Solar Rad 535634 KJ/sq. m |
| Total photosyn. 1054937 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 |