FLARE INDEX OF SOLAR ACTIVITY NORTHERN HEMISPHERE 1981 -------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ================================================================================ 1 5.16 6.29 3.96 5.61 7.55 3.56 2.50 8.05 7.37 9.23 1.04 17.71 2 2.45 6.98 3.87 3.82 8.87 5.90 3.15 5.29 4.63 13.27 2.42 7.82 3 4.15 6.40 4.36 17.28 9.12 6.35 12.73 6.40 1.98 13.18 4.60 9.81 4 3.46 8.13 6.16 13.35 16.75 5.13 2.65 10.42 0.95 6.27 6.16 7.18 5 4.46 6.50 13.84 20.17 36.42 4.32 0.42 4.10 11.33 6.63 4.33 9.40 6 1.23 7.91 1.58 8.57 9.31 0.00 0.04 5.10 10.44 9.35 5.17 9.51 7 2.07 6.89 3.21 18.85 10.35 1.62 0.00 0.85 12.24 3.41 1.23 10.46 8 3.07 10.16 20.74 40.98 34.02 5.90 0.33 0.83 14.44 3.13 0.37 6.60 9 1.52 10.47 10.61 37.85 14.66 3.95 2.87 4.63 22.33 3.79 6.18 41.20 10 5.11 5.94 9.07 62.19 10.52 4.41 1.83 0.17 14.53 3.06 4.60 20.45 11 9.75 12.06 5.59 42.08 28.25 0.81 8.92 0.96 12.59 1.01 13.27 7.32 12 4.32 17.20 7.48 33.06 16.04 6.43 8.79 0.11 14.54 0.31 5.50 9.37 13 3.47 17.13 18.78 45.02 44.06 6.92 4.63 0.61 10.65 1.05 14.01 2.81 14 6.90 8.89 12.99 19.81 26.05 6.27 6.02 8.69 3.43 3.38 15.52 3.57 15 3.93 10.46 4.60 39.44 13.22 3.92 2.92 0.75 18.14 0.00 6.79 0.93 16 2.78 10.60 9.63 25.53 31.89 1.85 5.13 1.94 4.43 3.85 6.07 0.63 17 3.85 24.80 9.17 29.67 3.08 3.69 0.96 0.44 9.40 0.48 3.74 0.96 18 1.98 14.30 8.96 35.47 11.48 2.67 9.24 1.03 5.27 1.46 0.60 0.75 19 1.76 15.41 8.12 22.82 9.46 3.86 15.06 1.81 7.60 3.54 0.91 0.15 20 3.98 14.57 16.17 25.77 4.79 9.76 10.32 1.98 4.71 4.56 1.70 1.22 21 2.01 13.64 25.83 12.75 5.77 6.67 7.76 2.31 9.00 1.46 2.33 0.00 22 3.51 7.67 14.68 14.98 8.67 8.77 18.19 0.00 3.23 0.81 8.17 0.56 23 1.70 7.48 17.35 7.24 3.60 20.15 7.81 4.52 3.84 0.91 6.66 0.15 24 3.54 4.06 20.94 69.60 6.20 17.69 5.23 4.61 4.42 6.61 5.91 2.33 25 2.65 2.93 20.73 26.04 8.93 31.26 5.50 7.05 8.77 1.69 13.21 1.61 26 3.54 3.63 9.06 33.70 5.41 18.64 5.79 13.37 1.23 0.69 8.78 1.11 27 1.43 0.92 6.32 9.48 7.54 13.07 2.25 13.06 9.94 2.77 7.61 2.44 28 3.92 1.07 6.82 20.27 2.92 6.17 2.38 8.33 8.93 0.97 8.10 18.22 29 1.06 8.91 3.29 3.94 8.31 3.04 14.13 8.19 2.58 9.85 6.91 30 3.61 12.19 4.21 5.15 1.15 5.00 16.81 7.44 6.83 16.82 15.55 31 1.50 2.90 3.23 12.04 11.33 10.73 3.65 ================================================================================ Mean 3.35 9.37 10.47 24.96 13.14 7.31 5.60 5.15 8.53 4.10 6.39 7.11 -------------------------------------------------------------------------------- Yearly Mean = 8.75