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| VIRGINIA COAST RESERVE LONG-TERM ECOLOGICAL RESEARCH |
Site PHCK, Month JUL, Year 1998 |
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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 | 29 | 20 | 25.3 | 1.98 | 243 | 21.79 | 27553 | 46289 |
| 2 | 0.00 | 27 | 20 | 24.3 | 0.71 | 95 | 23.46 | 26886 | 43620 |
| 3 | 0.00 | 30 | 18 | 24.2 | 0.39 | 153 | 23.07 | 21846 | 34764 |
| 4 | 23.36 | 30 | 19 | 24.5 | 1.33 | 171 | 25.61 | 18558 | 31044 |
| 5 | 30.74 | 27 | 20 | 24.2 | 1.76 | 47 | 24.64 | 24034 | 38402 |
| 6 | 0.00 | 26 | 18 | 22.8 | 0.96 | 69 | 23.02 | 27160 | 43847 |
| 7 | 0.00 | 26 | 20 | 22.9 | 1.33 | 70 | 21.95 | 27948 | 45981 |
| 8 | 1.52 | 29 | 20 | 24.1 | 1.01 | 179 | 26.77 | 9103 | 15701 |
| 9 | 0.00 | 28 | 21 | 23.6 | 1.23 | 338 | 25.14 | 16861 | 27415 |
| 10 | 5.33 | 30 | 21 | 25.3 | 1.05 | 250 | 25.62 | 25032 | 39902 |
| 11 | 0.00 | 27 | 16 | 22.5 | 1.52 | 354 | 16.30 | 28577 | 46157 |
| 12 | 0.00 | 28 | 15 | 21.6 | 0.45 | 27 | 18.46 | 27192 | 43725 |
| 13 | 0.00 | 28 | 15 | 22.8 | 0.40 | 162 | 19.61 | 26848 | 42300 |
| 14 | 0.00 | 28 | 16 | 23.7 | 0.50 | 162 | 23.29 | 26640 | 42369 |
| 15 | 0.25 | 27 | 21 | 24.8 | 0.89 | 67 | 27.64 | 13845 | 23921 |
| 16 | 9.91 | 28 | 23 | 25.7 | 0.89 | 164 | 31.14 | 7917 | 14051 |
| 17 | 0.25 | 31 | 23 | 26.4 | 1.38 | 212 | 30.23 | 15937 | 26668 |
| 18 | 0.00 | 30 | 19 | 26.1 | 1.60 | 276 | 25.98 | 25458 | 41283 |
| 19 | 0.00 | 32 | 19 | 25.8 | 0.84 | 167 | 27.03 | 20374 | 34087 |
| 20 | 0.00 | 34 | 25 | 29.0 | 2.72 | 187 | 30.37 | 23892 | 39988 |
| 21 | 0.00 | 35 | 24 | 29.5 | 1.63 | 192 | 29.85 | 25900 | 43545 |
| 22 | 0.00 | 37 | 27 | 30.9 | 1.99 | 199 | 31.10 | 25541 | 42826 |
| 23 | 1.02 | 35 | 25 | 28.9 | 2.98 | 188 | 29.92 | 20602 | 35577 |
| 24 | 0.25 | 31 | 22 | 26.9 | 1.34 | 275 | 26.09 | 18892 | 31413 |
| 25 | 0.00 | 29 | 21 | 25.2 | 1.37 | 64 | 25.75 | 22667 | 37046 |
| 26 | 7.11 | 26 | 19 | 23.1 | 1.33 | 61 | 23.76 | 12877 | 20921 |
| 27 | 0.00 | 28 | 18 | 23.4 | 0.34 | 121 | 23.17 | 23905 | 38134 |
| 28 | 0.00 | 30 | 24 | 26.2 | 0.33 | 94 | 28.92 | 23887 | 39535 |
| 29 | 0.00 | 33 | 22 | 27.0 | 0.95 | 120 | 28.89 | 20349 | 31809 |
| 30 | 1.02 | 33 | 22 | 27.1 | 0.65 | 82 | 31.07 | 21676 | 34386 |
| 31 | 1.52 | 28 | 19 | 24.2 | 2.04 | 96 | 27.19 | 9412 | 15834 |
| Mon. Tot. Precip. 82.3 mm | Mean wind vel. 1.222 m/s |
| Mon. Mean Temp. 25.2 deg. C | Wind dir 165 deg |
| Mean Max. Temp. 29.7 deg. C | Mean Min. Temp. 20.4 deg. C |
| Extreme Max. Temp 36.8 deg. C | Mean vapor press 25.70 mb |
| Extreme Min. Temp 15.4 deg. C | Total Solar Rad 667368 KJ/sq. m |
| Total photosyn. 1092539 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 |