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| VIRGINIA COAST RESERVE LONG-TERM ECOLOGICAL RESEARCH |
Site BRNV, Month MAR, 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 | 16 | 1 | 10.0 | 0.91 | 178 | 4.54 | 17476 | 27214 |
| 2 | 11.20 | 21 | 12 | 16.5 | 1.89 | 195 | 8.83 | 5774 | 9344 |
| 3 | 18.00 | 19 | 10 | 15.0 | 1.41 | 185 | 6.63 | 7320 | 12111 |
| 4 | 0.50 | 17 | 7 | 13.2 | 2.50 | 236 | 5.58 | 11913 | 18640 |
| 5 | 0.00 | 15 | 2 | 8.1 | 1.30 | 311 | 2.96 | 19583 | 30626 |
| 6 | 0.00 | 13 | 6 | 10.7 | 2.10 | 197 | 4.11 | 7996 | 12971 |
| 7 | 0.50 | 17 | 7 | 13.2 | 2.29 | 295 | 4.11 | 18970 | 29464 |
| 8 | 0.00 | 7 | -2 | 4.0 | 1.68 | 338 | 2.10 | 6504 | 10274 |
| 9 | 0.00 | 7 | -3 | 1.4 | 1.12 | 341 | 1.93 | 20244 | 31638 |
| 10 | 0.00 | 10 | -4 | 3.8 | 2.15 | 329 | 2.50 | 19087 | 29337 |
| 11 | 0.00 | 7 | 2 | 4.8 | 3.70 | 330 | 2.05 | 19907 | 30240 |
| 12 | 0.00 | 8 | -3 | 2.4 | 1.68 | 332 | 1.90 | 20584 | 32131 |
| 13 | 5.00 | 8 | -2 | 5.0 | 1.41 | 68 | 3.46 | 1190 | 2424 |
| 14 | 2.90 | 9 | 5 | 7.3 | 1.96 | 336 | 4.03 | 2450 | 4212 |
| 15 | 0.00 | 8 | 4 | 5.4 | 2.39 | 343 | 3.03 | 12053 | 18978 |
| 16 | 0.00 | 12 | -1 | 5.4 | 1.58 | 334 | 2.40 | 21871 | 33949 |
| 17 | 0.00 | 13 | -2 | 6.4 | 0.77 | 155 | 3.17 | 21333 | 33185 |
| 18 | 28.50 | 20 | 8 | 11.6 | 1.04 | 244 | 4.94 | 7414 | 11748 |
| 19 | 0.00 | 14 | 8 | 10.7 | 2.69 | 318 | 3.38 | 20261 | 31574 |
| 20 | 0.00 | 18 | 4 | 10.5 | 1.36 | 306 | 2.98 | 21050 | 32554 |
| 21 | 0.30 | 14 | 8 | 11.4 | 1.26 | 199 | 3.86 | 5546 | 9173 |
| 22 | 0.30 | 21 | 10 | 15.5 | 1.77 | 215 | 4.59 | 6736 | 10769 |
| 23 | 0.80 | 18 | 9 | 13.1 | 1.15 | 92 | 5.76 | 5322 | 8234 |
| 24 | 0.30 | 24 | 10 | 17.0 | 2.26 | 290 | 5.09 | 19994 | 31016 |
| 25 | 0.00 | 17 | 4 | 10.5 | 2.15 | 332 | 3.42 | 16877 | 25748 |
| 26 | 0.00 | 14 | 2 | 8.0 | 0.85 | 118 | 3.61 | 19142 | 30121 |
| 27 | 0.00 | 26 | 11 | 16.9 | 2.23 | 201 | 6.56 | 16908 | 25349 |
| 28 | 0.00 | 26 | 17 | 21.4 | 3.03 | 231 | 8.15 | 12236 | 18098 |
| 29 | 36.20 | 21 | 14 | 16.5 | 1.25 | 87 | 6.43 | 5040 | 7833 |
| 30 | 6.70 | 16 | 3 | 9.1 | 2.01 | 349 | 4.10 | 6090 | 9571 |
| 31 | 0.00 | 11 | -2 | 5.1 | 0.98 | 72 | 2.32 | 23213 | 35296 |
| Mon. Tot. Precip. 111.2 mm | Mean wind vel. 1.770 m/s |
| Mon. Mean Temp. 10.0 deg. C | Wind dir 299 deg |
| Mean Max. Temp. 15.0 deg. C | Mean Min. Temp. 4.7 deg. C |
| Extreme Max. Temp 25.9 deg. C | Mean vapor press 4.15 mb |
| Extreme Min. Temp -3.9 deg. C | Total Solar Rad 420085 KJ/sq. m |
| Total photosyn. 653821 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 |