|
| VIRGINIA COAST RESERVE LONG-TERM ECOLOGICAL RESEARCH |
Site PHCK, Month JAN, Year 1999 |
| 
|
| 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 | 3 | -6 | -1.1 | 1.91 | 342 | 3.95 | 9617 | 16124 |
| 2 | 0.00 | 9 | -4 | 0.0 | 2.76 | 54 | 4.86 | 3917 | 6598 |
| 3 | 13.72 | 15 | 6 | 11.1 | 2.14 | 234 | 11.81 | 5578 | 9333 |
| 4 | 0.00 | 6 | -4 | -0.0 | 1.43 | 321 | 4.32 | 8737 | 14394 |
| 5 | 0.00 | -2 | -8 | -4.5 | 1.85 | 350 | 2.89 | 7798 | 13163 |
| 6 | 0.00 | 3 | -9 | -2.7 | 2.02 | 218 | 3.35 | 6270 | 11328 |
| 7 | 0.00 | 8 | -1 | 3.2 | 2.90 | 268 | 4.73 | 7003 | 12189 |
| 8 | 1.02 | 9 | -1 | 4.0 | 1.14 | 52 | 6.51 | 2984 | 5082 |
| 9 | 4.06 | 17 | 0 | 8.7 | 2.72 | 289 | 10.71 | 3626 | 6498 |
| 10 | 0.00 | 1 | -5 | -1.8 | 2.88 | 347 | 3.51 | 10341 | 17489 |
| 11 | 0.00 | 4 | -3 | 1.8 | 2.20 | 269 | 4.37 | 9936 | 16877 |
| 12 | 0.00 | 16 | 4 | 8.6 | 3.21 | 221 | 6.64 | 9090 | 15198 |
| 13 | 0.00 | 16 | 7 | 11.5 | 2.91 | 231 | 7.67 | 6205 | 10333 |
| 14 | 2.29 | 12 | 5 | 7.4 | 2.08 | 38 | 9.69 | 3901 | 6535 |
| 15 | 13.97 | 12 | -2 | 5.8 | 2.05 | 306 | 8.73 | 5378 | 8774 |
| 16 | 0.00 | 12 | -4 | 3.4 | 1.16 | 207 | 6.47 | 9854 | 16995 |
| 17 | 0.00 | 13 | -1 | 6.2 | 0.56 | 138 | 7.54 | 8684 | 14712 |
| 18 | 8.13 | 15 | 3 | 10.7 | 1.39 | 218 | 12.61 | 2572 | 4529 |
| 19 | 0.25 | 14 | 1 | 6.9 | 1.71 | 254 | 6.56 | 11509 | 19536 |
| 20 | 0.51 | 12 | 1 | 6.8 | 0.57 | 73 | 8.31 | 6228 | 10943 |
| 21 | 0.00 | 15 | 2 | 8.8 | 0.38 | 153 | 10.47 | 8289 | 14399 |
| 22 | 0.00 | 12 | 6 | 9.3 | 0.53 | 84 | 11.60 | 4624 | 7886 |
| 23 | 3.56 | 20 | 10 | 14.2 | 0.86 | 197 | 15.23 | 10931 | 19797 |
| 24 | 32.51 | 17 | 7 | 12.9 | 1.85 | 284 | 14.67 | 1020 | 2005 |
| 25 | 0.00 | 12 | 0 | 6.6 | 1.00 | 304 | 7.73 | 11407 | 20380 |
| 26 | 0.00 | 9 | -0 | 4.7 | 1.01 | 341 | 5.99 | 11037 | 19060 |
| 27 | 0.00 | 16 | 0 | 9.3 | 2.18 | 224 | 9.51 | 11123 | 19444 |
| 28 | 0.00 | 22 | 6 | 14.5 | 1.69 | 253 | 11.58 | 11285 | 19318 |
| 29 | 0.00 | 18 | 3 | 8.9 | 2.39 | 1 | 7.68 | 12608 | 21599 |
| 30 | 0.00 | 8 | -2 | 2.3 | 1.30 | 346 | 5.62 | 12339 | 21308 |
| 31 | 0.00 | 2 | -2 | 0.1 | 2.84 | 39 | 4.51 | 4982 | 9053 |
| Mon. Tot. Precip. 80.3 mm | Mean wind vel. 1.794 m/s |
| Mon. Mean Temp. 5.7 deg. C | Wind dir 291 deg |
| Mean Max. Temp. 11.2 deg. C | Mean Min. Temp. 0.3 deg. C |
| Extreme Max. Temp 22.3 deg. C | Mean vapor press 7.74 mb |
| Extreme Min. Temp -8.9 deg. C | Total Solar Rad 238873 KJ/sq. m |
| Total photosyn. 410878 uEin/sq.m |
 |
| Daily Total Precipitation (mm) |
 |
| Hourly Mean Temperatures (deg. C) |
 |
| Hourly Max Min and Mean Temperatures (deg. C) |
 |
| Wind Speed (m/s) |
 |
| Frequency of Wind Direction |
 |
| Wind Vectors (circle=1.5 m/s) |
 |
| Relative Humidity (percent) |
 |
| Photosynthetically Active Radiation (micro-einsteins per m squared) |
 |
| Hourly Photosynthetically Active Radiation (micro-einsteins per m squared) |
 |
| Solar Radiation (KiloJoules per Meter Squared) |
 |
| Hourly Solar Radiation (KiloJoules per Meter Squared) |
 |
| Hours of Station Operation |
 |
| Data Logger Battery Voltage and Internal Logger Temperature |