Lacawac weather for: MONTH 4,2005 Platform Location (BD=beside dock; OD=on dock; LC=lake center) Rec field is % of data records collected (less than 100 indicates incomplete) Conversions: wind speed m/s X 2.24 = mph; rain mm/25.4=inches Note that unheated rain gage will delay reporting frozen precipitation until sun or Tair>0 melts it, underestimating total because of sublimation. Precip for APR05: 5.9"; 3.3" from 2Apr storm, 2.0 from 22Apr storm Lake level: min +28mm, max +240mm (relative to 2003 lower edge of dock frame) Ice breakup around 3 April based on water temperature profile MAX AVG MIN SUM AVG SUM SUM AVG MAX AVG AVG Day Rec Tair Tair Tair Precip RH PAR PYR WIND GUST T_0.1m T_3m LOC #'s % (C) (C) (C) (mm) (%) (Mol/m2) (kJ/m2) (m/s) (m/s) (C) (C) 1 100 15.5 8.2 2.2 0.0 76 43.5 21260 0.6 5.3 -0.0 4.5 BD 2 100 11.2 6.4 2.8 76.6 98 4.1 1547 2.7 7.4 0.2 4.2 BD 3 100 10.0 3.0 0.6 7.5 97 12.9 5743 2.1 8.7 0.2 4.4 BD 4 100 9.6 4.6 0.9 0.1 64 34.5 16574 4.0 11.8 0.7 4.3 BD 5 100 15.5 7.4 2.7 0.0 52 46.8 23073 1.9 6.9 2.4 4.6 BD 6 100 24.0 13.0 2.1 0.0 57 45.9 22210 0.6 6.2 3.7 4.9 BD 7 100 22.6 16.6 11.7 1.9 65 26.2 12182 0.9 7.7 5.2 4.9 BD 8 100 14.5 9.3 4.0 0.0 67 48.2 23678 2.6 8.1 7.5 6.9 BD 9 100 16.8 7.8 -0.4 0.0 55 51.3 25791 0.8 5.9 8.5 7.0 BD 10 100 19.0 11.2 0.6 0.0 46 51.3 25069 1.5 6.8 10.2 8.3 BD 11 100 12.0 8.3 3.8 0.0 38 51.7 26044 2.7 9.4 10.7 9.8 BD 12 100 10.8 4.9 -1.0 0.0 40 51.6 26156 2.0 6.3 10.6 9.9 BD 13 100 12.7 6.2 -1.3 0.0 47 51.2 25607 1.9 7.1 10.8 10.2 BD 14 100 16.6 9.4 0.8 0.0 47 51.0 25274 1.9 8.8 11.5 10.7 BD 15 100 13.2 6.9 2.4 0.0 40 52.3 26642 2.1 8.2 11.4 11.0 BD 16 100 17.9 7.7 -1.5 0.0 41 51.9 26106 0.6 5.3 12.5 10.9 BD 17 100 20.9 13.6 5.4 0.0 31 51.4 25844 1.6 7.2 13.4 11.3 BD 18 100 20.5 14.2 7.1 0.0 48 48.5 23778 1.1 7.3 14.7 11.9 BD 19 100 24.7 15.3 4.8 0.0 48 52.5 25763 0.9 9.0 16.0 12.3 BD 20 100 25.6 19.1 12.8 3.8 58 44.1 21399 1.6 11.1 16.9 12.7 BD 21 100 15.0 9.2 4.7 0.2 63 51.8 25647 3.3 11.3 16.3 15.3 BD 22 100 12.5 6.1 -0.3 1.3 72 26.3 12623 1.1 6.0 14.8 14.2 BD 23 100 14.5 9.9 4.5 43.3 99 10.7 4634 1.3 5.6 13.7 13.5 BD 24 100 11.4 5.0 0.9 6.6 88 16.4 7630 1.2 7.0 13.0 13.0 BD 25 100 6.2 3.3 0.2 0.0 80 17.4 8066 1.5 8.4 11.7 11.8 BD 26 100 18.4 11.8 3.9 0.0 55 44.2 21370 1.1 8.1 11.7 11.3 BD 27 100 17.5 11.3 8.0 3.7 83 24.0 11230 1.3 7.4 12.2 11.7 BD 28 100 12.4 7.7 2.9 0.7 68 35.7 17519 2.2 9.6 12.2 11.9 BD 29 100 12.9 7.4 0.3 0.0 64 25.1 11935 0.6 5.4 11.9 11.4 BD 30 100 11.8 9.1 7.0 2.9 95 4.6 1808 0.6 4.9 11.5 11.5 BD MONTHLY SUMMARY: CUM CUM MAX AVG MIN SUM AVG SUM SUM AVG MAX AVG AVG Day Rec Tmax Tavg Tmin Precip RH PAR PYR WIND GUST T_0.1m T_3m #'s % (C) (C) (C) (mm) (%) (Mol/m2) (kJ/m2) (m/s) (m/s) (C) (C) 30 100 25.6 9.1 -1.5 148.6 63 1127 552202 1.6 11.8 9.9 9.7