YEAR MONTH MEAN STDEV COUNT 2002 1 nan nan 0 2002 2 nan nan 0 2002 3 nan nan 0 2002 4 nan nan 0 2002 5 nan nan 0 2002 6 nan nan 0 2002 7 4.56128e+00 3.09935e-02 16 2002 8 4.74865e+00 3.09324e-01 48 2002 9 7.28675e+00 2.84570e+00 45 2002 10 6.10393e+00 5.88639e-01 72 2002 11 7.67242e+00 8.30527e-01 154 2002 12 5.85361e+00 8.25593e-01 116 2003 1 5.46507e+00 5.52839e-01 128 2003 2 5.76931e+00 1.15472e+00 108 2003 3 1.08296e+01 2.41775e-01 24 2003 4 7.86999e+00 1.77210e+00 112 2003 5 5.85051e+00 6.14059e-01 44 2003 6 6.04477e+00 8.32381e-01 35 2003 7 9.26492e+00 5.63075e-01 32 2003 8 9.01356e+00 7.19875e-01 32 2003 9 8.76341e+00 1.69512e+00 117 2003 10 5.65399e+00 8.81753e-01 135 2003 11 5.48186e+00 4.85895e-01 143 2003 12 4.96745e+00 4.90038e-01 143 2004 1 4.40882e+00 5.38877e-01 103 2004 2 6.02044e+00 8.40520e-01 33 2004 3 5.98620e+00 8.24989e-01 118 2004 4 4.89839e+00 1.08099e+00 104 2004 5 4.16993e+00 3.31140e-01 51 2004 6 nan nan 0 2004 7 5.43785e+00 2.95295e-01 30 2004 8 4.49213e+00 6.67078e-02 32 2004 9 9.25097e+00 2.10492e-01 13 2004 10 6.86551e+00 1.55139e+00 46 2004 11 6.62748e+00 9.99355e-01 78 2004 12 7.04773e+00 5.30995e-01 51 2005 1 6.20743e+00 7.14984e-01 93 2005 2 5.63786e+00 1.00284e+00 107 2005 3 6.86874e+00 1.45382e+00 88 2005 4 nan nan 0 2005 5 6.06291e+00 8.35744e-01 45 2005 6 6.66857e+00 1.38745e+00 48 2005 7 9.26943e+00 7.99098e-01 20 2005 8 nan nan 0 2005 9 5.22080e+00 8.86443e-01 32 2005 10 4.39543e+00 9.07142e-01 150 2005 11 4.75575e+00 7.23419e-01 159 2005 12 5.05046e+00 4.16507e-01 50 2006 1 6.74896e+00 7.35370e-01 47 2006 2 5.95650e+00 5.61245e-01 98 2006 3 5.80229e+00 9.11994e-01 135 2006 4 4.99570e+00 1.02117e+00 85 2006 5 4.62520e+00 1.08535e+00 78 2006 6 4.62091e+00 2.62535e-01 32 2006 7 4.45829e+00 2.38896e-01 22 2006 8 4.67442e+00 2.66481e-01 51 2006 9 5.41450e+00 4.73274e-01 68 2006 10 5.17008e+00 8.74843e-01 140 2006 11 5.40822e+00 1.67988e+00 148 2006 12 5.03746e+00 1.69398e+00 79 2007 1 6.69708e+00 8.99809e-01 61 2007 2 6.19988e+00 1.06793e+00 141 2007 3 6.39797e+00 8.60451e-01 165 2007 4 5.28103e+00 8.40910e-01 139 2007 5 4.83799e+00 7.20284e-01 32 2007 6 nan nan 0 2007 7 4.61918e+00 5.23515e-01 47 2007 8 5.42765e+00 5.04293e-01 48 2007 9 7.26925e+00 8.14135e-01 28 2007 10 7.77743e+00 1.29114e+00 74 2007 11 5.21649e+00 7.33988e-01 177 2007 12 4.82201e+00 1.42956e-01 32 2008 1 5.92974e+00 1.02028e+00 86 2008 2 6.58412e+00 8.82088e-01 189 2008 3 9.38884e+00 6.13196e-01 96 2008 4 6.35376e+00 7.22911e-01 57 2008 5 4.65343e+00 5.60483e-01 76 2008 6 4.02797e+00 1.62312e-01 66 2008 7 4.10282e+00 5.48557e-02 16 2008 8 nan nan 0 2008 9 7.03728e+00 1.33431e+00 56 2008 10 6.29275e+00 1.00311e+00 149 2008 11 5.08595e+00 7.62306e-01 172 2008 12 6.16323e+00 1.74519e+00 100 2009 1 7.12297e+00 1.09423e+00 100 2009 2 5.85025e+00 8.43783e-01 164 2009 3 5.47326e+00 5.46789e-01 111 2009 4 nan nan 0 2009 5 6.58058e+00 1.02277e+00 44 2009 6 nan nan 0 2009 7 5.16217e+00 1.50670e-01 10 2009 8 5.08494e+00 3.28106e-01 23 2009 9 8.06145e+00 2.09263e+00 75 2009 10 6.67531e+00 8.68917e-01 128 2009 11 6.64860e+00 1.26071e+00 83 2009 12 nan nan 0 2010 1 8.32460e+00 1.06796e+00 29 2010 2 8.76494e+00 3.77174e-01 42 2010 3 6.94065e+00 6.36017e-01 100 2010 4 6.24804e+00 8.58736e-01 77 2010 5 6.38920e+00 1.27637e+00 45 2010 6 5.12696e+00 1.95418e-01 66 2010 7 5.05337e+00 4.44975e-01 58 2010 8 nan nan 0 2010 9 5.74969e+00 1.34200e+00 98 2010 10 4.90792e+00 5.26458e-01 269 2010 11 4.44871e+00 7.91085e-01 215 2010 12 4.44501e+00 3.87535e-01 114 2011 1 5.21987e+00 1.01261e+00 101 2011 2 6.04315e+00 6.27927e-01 110 2011 3 5.66068e+00 4.99111e-01 112 2011 4 5.48378e+00 3.89640e-01 103 2011 5 4.13015e+00 3.36298e-01 69 2011 6 6.09161e+00 4.11831e-01 20 2011 7 4.27921e+00 2.47539e-01 7 2011 8 5.27038e+00 5.93203e-01 36 2011 9 4.97513e+00 5.20475e-01 110 2011 10 5.29935e+00 7.76382e-01 148 2011 11 5.98828e+00 1.20283e+00 89 2011 12 4.91159e+00 9.46521e-01 100 2012 1 4.61045e+00 6.81302e-01 107 2012 2 6.31589e+00 4.85367e-01 55 2012 3 7.51052e+00 1.36110e+00 144 2012 4 4.51043e+00 4.88658e-01 106 2012 5 4.21821e+00 1.99423e-01 52 2012 6 6.59356e+00 1.96728e+00 48 2012 7 7.55540e+00 1.52656e+00 41 2012 8 1.16373e+01 0.00000e+00 1 2012 9 8.51283e+00 7.15936e-01 45 2012 10 6.62132e+00 5.37452e-01 140 2012 11 4.48142e+00 3.51645e-01 134 2012 12 4.27140e+00 2.68343e-01 64 2013 1 4.22848e+00 3.81031e-01 92 2013 2 4.60708e+00 5.55629e-01 61 2013 3 9.02274e+00 1.45875e+00 38 2013 4 8.54949e+00 1.11699e-01 9 2013 5 6.38997e+00 3.96101e-01 48 2013 6 nan nan 0 2013 7 5.59759e+00 1.35300e-01 9 2013 8 8.14686e+00 2.93607e-01 48 2013 9 8.36992e+00 1.10352e+00 43 2013 10 6.21969e+00 6.82174e-01 126 2013 11 5.54332e+00 1.08202e+00 69 2013 12 6.25105e+00 1.10691e+00 123 2014 1 6.90347e+00 1.10492e+00 73 2014 2 6.84890e+00 8.24486e-01 102 2014 3 8.21964e+00 9.63867e-01 75 2014 4 8.14774e+00 6.42814e-01 19 2014 5 8.69801e+00 1.12779e+00 54 2014 6 5.57819e+00 2.22614e-01 30 2014 7 5.00142e+00 4.45569e-01 30 2014 8 4.78739e+00 5.10538e-01 50 2014 9 5.53295e+00 9.70853e-01 66 2014 10 5.53322e+00 7.26703e-01 226 2014 11 5.58938e+00 1.02699e+00 136 2014 12 5.55182e+00 1.85077e+00 114 2015 1 8.35270e+00 3.10366e-01 96 2015 2 7.08572e+00 7.60955e-01 84 2015 3 6.36074e+00 5.25379e-01 68 2015 4 5.40747e+00 6.00161e-01 45 2015 5 7.23928e+00 1.32023e+00 68 2015 6 5.86336e+00 1.52821e-01 22 2015 7 5.00718e+00 8.50516e-02 48 2015 8 5.12902e+00 4.12053e-01 53 2015 9 6.39817e+00 8.35135e-01 64 2015 10 5.00464e+00 3.12913e-01 95 2015 11 7.32752e+00 1.65765e+00 96 2015 12 7.56089e+00 1.35656e+00 98 2016 1 9.80941e+00 1.40948e-01 23 2016 2 8.54913e+00 3.03817e-01 41 2016 3 5.14012e+00 1.06027e+00 26 2016 4 8.27894e+00 4.00617e-01 33 2016 5 4.90221e+00 2.86171e-01 48 2016 6 4.63409e+00 2.95288e-01 112 2016 7 4.95044e+00 3.80659e-01 105 2016 8 7.02992e+00 1.11128e+00 49 2016 9 6.09752e+00 8.25951e-01 95 2016 10 6.02123e+00 1.38541e+00 233 2016 11 4.81477e+00 8.28454e-01 155 2016 12 5.66240e+00 3.22927e-01 99 2017 1 8.36488e+00 2.06718e+00 27 2017 2 7.60913e+00 1.60758e+00 108 2017 3 5.57719e+00 1.04213e+00 98 2017 4 5.25035e+00 9.08562e-01 83 2017 5 4.69889e+00 9.35217e-01 84 2017 6 5.23053e+00 6.16629e-01 33 2017 7 6.59038e+00 8.14006e-01 32 2017 8 5.81335e+00 4.54888e-01 32 2017 9 5.60369e+00 2.06732e-01 54 2017 10 5.84015e+00 1.48676e+00 94 2017 11 4.51117e+00 4.35729e-01 201 2017 12 4.33045e+00 7.70520e-01 97 2018 1 4.35294e+00 5.72281e-01 71 2018 2 7.85875e+00 2.00338e+00 72 2018 3 5.86959e+00 9.09160e-01 114 2018 4 5.34420e+00 7.25774e-01 128 2018 5 5.26202e+00 4.10586e-01 88 2018 6 nan nan 0 2018 7 4.85130e+00 6.40242e-01 33 2018 8 6.84140e+00 3.56633e-01 32 2018 9 7.21994e+00 9.86798e-01 142 2018 10 8.85830e+00 1.65415e+00 168 2018 11 7.01893e+00 2.24475e-01 72 2018 12 8.16912e+00 9.97299e-01 41 2019 1 9.69488e+00 1.02569e+00 32 2019 2 9.55278e+00 1.26719e+00 39 2019 3 6.73855e+00 5.30517e-01 98 2019 4 5.96987e+00 6.75105e-01 94 2019 5 5.74798e+00 1.17783e+00 112 2019 6 4.77950e+00 5.08196e-01 48 2019 7 5.85664e+00 5.84818e-01 32 2019 8 5.51137e+00 7.87150e-01 62 2019 9 5.62045e+00 1.39692e+00 137 2019 10 5.70903e+00 1.15506e+00 138 2019 11 4.71135e+00 1.08182e+00 123 2019 12 4.86235e+00 6.12842e-02 16 2020 1 6.56213e+00 7.40723e-01 68 2020 2 7.87518e+00 1.52873e+00 88 2020 3 8.98765e+00 1.03358e+00 29 2020 4 5.60117e+00 9.69908e-01 112 2020 5 6.54243e+00 1.15299e+00 32 2020 6 5.68466e+00 4.91012e-01 32 2020 7 6.03232e+00 3.55648e-01 17 2020 8 4.54668e+00 2.23532e-01 61 2020 9 8.51826e+00 1.64990e+00 48 2020 10 6.98258e+00 1.03663e+00 63 2020 11 6.06658e+00 7.37296e-01 120 2020 12 5.29761e+00 7.17171e-01 213 2021 1 6.53780e+00 7.99190e-01 74 2021 2 7.85575e+00 6.47805e-01 32 2021 3 7.99795e+00 1.32189e+00 43 2021 4 6.18075e+00 5.43591e-01 79 2021 5 5.75039e+00 1.05162e+00 61 2021 6 4.51557e+00 5.94496e-02 16 2021 7 7.64441e+00 1.39915e+00 48 2021 8 8.58594e+00 1.61634e+00 72 2021 9 8.49421e+00 2.76964e-01 44 2021 10 7.17269e+00 7.30377e-01 64 2021 11 4.81152e+00 9.12240e-01 157 2021 12 4.39702e+00 4.20517e-01 51 2022 1 5.77233e+00 1.24724e+00 120 2022 2 5.78844e+00 9.83808e-01 80 2022 3 5.81208e+00 9.51701e-01 84 2022 4 5.20451e+00 2.91396e-01 8 2022 5 5.73771e+00 5.77920e-01 47 2022 6 5.84363e+00 1.12359e+00 68 2022 7 5.04629e+00 6.68039e-01 69 2022 8 5.30543e+00 1.84417e-01 44 2022 9 7.39390e+00 8.47302e-01 40 2022 10 5.03080e+00 8.32678e-01 282 2022 11 4.96479e+00 6.21711e-01 96 2022 12 5.02922e+00 8.47555e-01 142 2023 1 4.79288e+00 4.42834e-01 97 2023 2 7.30331e+00 8.00116e-01 126 2023 3 5.86231e+00 5.46129e-01 101 2023 4 6.77799e+00 4.46788e-01 55 2023 5 6.44380e+00 4.80296e-02 16 2023 6 5.45880e+00 9.91386e-01 57 2023 7 6.02084e+00 1.25104e+00 20 2023 8 5.40954e+00 8.64819e-01 25 2023 9 5.42328e+00 7.88086e-01 124 2023 10 5.72007e+00 8.81573e-01 139 2023 11 4.32772e+00 6.54192e-01 100 2023 12 7.50758e+00 7.72532e-01 32 2024 1 6.93859e+00 5.28051e-01 55 2024 2 7.34166e+00 5.80854e-01 90 2024 3 8.96716e+00 7.78718e-01 32 2024 4 nan nan 0