Lacawac weather for: MONTH 12,2004 Platform Location (BD=beside dock; OD=on dock; LC=lake center): BD 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 December 04: 4.2"; Lake frozen since 16Dec based on Tw pattern Lake level relative to ref (2003 lower edge of dock frame): min +40mm, max +132m 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 #'s % (C) (C) (C) (mm) (%) (Mol/m2) (kJ/m2) (m/s) (m/s) (C) (C) 1 100 8.8 4.9 2.6 14.9 82 5.0 2324 3.4 15.7 5.7 5.9 2 100 4.0 1.4 -2.1 0.0 74 9.5 4646 1.6 7.0 5.3 5.6 3 100 3.6 -0.4 -3.3 0.0 74 10.0 4953 2.1 9.3 4.9 5.0 4 100 4.2 -0.7 -5.9 0.0 70 12.5 6449 0.9 5.1 4.4 4.8 5 100 6.9 4.0 -1.6 0.0 66 10.5 5139 2.1 8.8 4.4 4.6 6 100 -1.2 -2.0 -3.2 0.0 85 2.6 1091 1.6 5.6 3.4 4.4 7 100 1.8 0.2 -1.7 12.1 99 1.5 655 0.8 6.9 3.5 4.3 8 100 9.5 6.2 0.6 0.2 82 10.1 4908 2.3 10.2 3.8 4.3 9 100 3.9 1.7 -1.5 7.3 90 6.7 3208 0.8 4.3 3.3 4.3 10 100 3.5 3.1 2.6 22.7 99 1.5 597 2.2 6.3 3.8 4.3 11 100 7.9 4.5 1.9 0.9 94 7.2 3401 1.0 6.9 4.0 4.4 12 100 2.4 0.8 -0.4 0.3 85 5.9 2811 2.0 7.5 3.8 4.1 13 100 2.9 1.2 -1.4 0.6 79 9.9 4924 2.0 8.9 3.6 4.0 14 100 -0.7 -4.8 -7.6 0.0 76 10.0 4957 3.3 9.7 3.2 3.4 15 100 -3.0 -6.5 -9.8 0.0 78 9.8 4887 2.4 8.6 2.1 2.7 16 100 4.4 -2.2 -6.9 0.0 61 10.8 5576 1.2 6.2 1.2 3.3 17 100 2.6 -0.7 -6.5 0.0 60 11.2 5673 2.5 11.0 1.4 3.0 18 100 0.8 -4.1 -9.3 0.0 84 8.8 4134 0.5 4.3 0.9 3.5 19 100 2.5 -2.8 -13.9 0.1 88 4.8 2211 1.8 10.0 0.7 3.6 20 100 -14.2 -16.7 -19.0 0.0 65 11.9 6331 4.4 11.3 0.3 3.2 21 100 -0.6 -8.3 -16.8 0.0 65 8.8 4243 0.5 4.5 -0.3 3.7 22 100 7.8 -0.2 -5.4 0.0 78 11.0 5400 0.5 4.0 -0.1 3.8 23 100 12.6 7.1 -1.9 45.2 88 3.0 1267 2.1 11.6 0.2 3.6 24 100 -2.1 -5.0 -8.2 0.0 66 10.9 5581 2.3 9.7 -0.2 3.7 25 100 -6.9 -9.2 -11.9 0.0 73 8.2 4176 0.8 4.8 -0.7 3.9 26 100 -4.0 -8.7 -13.1 0.0 85 7.5 3143 0.7 4.3 -0.8 4.1 27 100 -6.2 -10.1 -12.3 0.1 70 12.5 6503 4.3 11.6 -1.7 3.7 28 100 -4.2 -9.6 -15.4 0.0 72 7.7 3598 0.9 4.5 -1.8 3.9 29 100 3.5 0.6 -4.0 0.9 73 5.2 2359 1.2 5.9 -0.3 4.0 30 100 2.9 1.1 -0.4 0.0 87 6.5 3055 0.3 2.8 -0.0 4.2 31 100 9.3 5.1 1.1 0.2 83 9.4 4545 1.3 6.9 0.2 4.1 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) 31 100 12.6 -1.6 -19.0 105.5 78 251 122743 1.7 15.7 1.9 4.1