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 1.02856e+01 5.34020e+00 32 2002 8 9.06871e+00 2.93320e+00 26 2002 9 4.19331e-01 4.49977e-01 3 2002 10 9.46502e+00 1.05154e+01 80 2002 11 2.31509e-02 2.09086e-02 152 2002 12 2.27558e-01 2.11535e-01 139 2003 1 7.61545e-01 6.96715e-01 203 2003 2 3.40321e+00 3.50203e+00 131 2003 3 nan nan 0 2003 4 5.17775e-01 6.37763e-01 66 2003 5 4.33309e-02 4.89680e-02 27 2003 6 4.26665e+00 6.62232e+00 33 2003 7 7.62549e-01 2.30555e-01 16 2003 8 1.67133e-04 3.01717e-04 8 2003 9 1.09781e+00 6.24108e-01 21 2003 10 4.00628e+00 5.64043e+00 141 2003 11 1.88053e+00 3.22678e+00 176 2003 12 1.33848e+00 1.60795e+00 129 2004 1 4.91146e+00 3.50408e+00 96 2004 2 3.87223e-01 3.54031e-01 80 2004 3 1.14701e+00 9.81885e-01 93 2004 4 2.85395e+00 2.22329e+00 97 2004 5 5.90130e+00 4.71713e+00 87 2004 6 9.89136e+00 2.91479e-01 16 2004 7 5.83465e+00 2.89693e+00 32 2004 8 8.86010e+00 3.61707e+00 80 2004 9 5.08496e+00 1.78235e+00 37 2004 10 2.61622e+00 4.22196e+00 82 2004 11 2.41804e-01 2.78459e-01 73 2004 12 1.21266e+00 1.66336e+00 114 2005 1 2.27032e+00 3.13042e+00 140 2005 2 3.80493e+00 4.57208e+00 80 2005 3 8.01128e-01 8.85417e-01 172 2005 4 1.34004e-02 2.06979e-02 64 2005 5 9.89261e+00 9.23696e+00 30 2005 6 2.56718e+00 2.32283e+00 48 2005 7 2.58789e+00 5.62503e-01 31 2005 8 nan nan 0 2005 9 2.42873e+00 2.39635e+00 29 2005 10 8.02979e+00 8.59411e+00 105 2005 11 4.74408e+00 5.66598e+00 170 2005 12 1.36580e+00 1.41820e+00 104 2006 1 1.97991e+00 9.91279e-01 128 2006 2 1.96649e+00 1.14190e+00 142 2006 3 4.26274e+00 3.56837e+00 150 2006 4 6.04750e+00 3.25308e+00 80 2006 5 5.47084e+00 3.71949e+00 100 2006 6 9.98469e+00 3.91642e+00 56 2006 7 5.86685e+00 2.39909e+00 20 2006 8 4.83179e+00 3.87123e+00 54 2006 9 1.87787e+00 2.89833e+00 80 2006 10 1.75665e+00 1.77652e+00 101 2006 11 3.61899e+00 4.54935e+00 157 2006 12 6.77233e+00 3.93132e+00 86 2007 1 4.66880e-01 1.79688e+00 81 2007 2 5.37168e-01 9.99495e-01 133 2007 3 5.47538e+00 5.20973e+00 191 2007 4 5.05694e+00 3.33947e+00 107 2007 5 6.75736e+00 4.63028e+00 70 2007 6 8.66268e+00 5.45324e+00 38 2007 7 1.46077e+00 1.77966e+00 44 2007 8 8.77767e+00 2.85046e+00 32 2007 9 1.13937e+00 2.80880e-01 26 2007 10 6.77578e+00 1.00119e+01 62 2007 11 5.86899e+00 8.79221e+00 192 2007 12 5.85285e+00 7.05246e+00 78 2008 1 2.77282e+00 2.88324e+00 171 2008 2 2.92958e+00 1.92712e+00 221 2008 3 4.98692e-01 6.97453e-01 122 2008 4 1.42378e+00 9.55768e-01 84 2008 5 4.48625e+00 2.17833e+00 48 2008 6 2.39696e+00 1.96101e+00 77 2008 7 5.90438e+00 5.27000e-01 16 2008 8 nan nan 0 2008 9 1.73877e+00 1.72154e+00 63 2008 10 1.61733e+00 2.76305e+00 146 2008 11 1.23598e+00 1.59006e+00 230 2008 12 3.49294e+00 5.61320e+00 132 2009 1 3.93840e+00 6.38366e+00 161 2009 2 2.38976e+00 9.50250e-01 176 2009 3 4.28971e+00 4.21611e+00 146 2009 4 1.67445e-02 1.83903e-02 11 2009 5 4.47460e+00 5.68363e+00 42 2009 6 4.43848e+00 1.06439e+00 21 2009 7 7.45781e+00 1.68306e+00 16 2009 8 4.49113e+00 3.41746e+00 50 2009 9 1.18318e+00 1.00472e+00 55 2009 10 2.00266e-01 4.23139e-01 108 2009 11 1.80975e+00 3.38526e+00 81 2009 12 1.75957e-03 2.13864e-03 41 2010 1 1.87526e-01 2.78744e-01 127 2010 2 3.39807e-02 5.43446e-02 113 2010 3 1.22846e-01 2.35952e-01 128 2010 4 2.23552e-01 3.27867e-01 87 2010 5 2.20930e+00 1.92346e+00 56 2010 6 5.85678e+00 4.78644e+00 75 2010 7 4.23134e+00 2.61490e+00 45 2010 8 1.44663e+00 4.54297e-01 9 2010 9 3.35139e+00 6.05392e+00 131 2010 10 7.66430e+00 1.00297e+01 220 2010 11 6.44611e+00 5.67425e+00 197 2010 12 3.62805e+00 2.89520e+00 176 2011 1 2.82519e+00 2.58843e+00 152 2011 2 1.15437e+00 1.76182e+00 174 2011 3 6.36566e-01 6.65139e-01 132 2011 4 3.29568e+00 2.18496e+00 79 2011 5 4.30060e+00 3.60860e+00 102 2011 6 2.28736e+00 1.71037e+00 45 2011 7 6.24933e+00 1.27794e+00 32 2011 8 4.11247e+00 5.92317e+00 70 2011 9 7.68176e+00 8.08545e+00 117 2011 10 4.71109e+00 3.43897e+00 224 2011 11 7.83240e+00 8.94411e+00 176 2011 12 6.06910e+00 2.23924e+00 156 2012 1 4.40267e+00 2.97064e+00 201 2012 2 3.65341e+00 3.04389e-01 28 2012 3 5.52101e+00 4.40001e+00 184 2012 4 6.39868e+00 5.85028e+00 107 2012 5 1.13389e+01 5.46464e+00 66 2012 6 1.96580e+00 1.83331e+00 30 2012 7 nan nan 0 2012 8 1.83740e+01 2.55851e+01 18 2012 9 1.25698e+01 7.79001e+00 22 2012 10 3.20000e+00 7.03617e+00 94 2012 11 2.55611e+00 3.80768e+00 144 2012 12 6.95650e+00 6.12155e+00 108 2013 1 3.80829e+00 2.81928e+00 106 2013 2 2.10122e+00 1.33250e+00 79 2013 3 2.77004e-01 6.14417e-01 101 2013 4 3.62655e-01 2.53517e-01 48 2013 5 2.33037e+00 3.48816e+00 33 2013 6 1.14345e+01 1.11869e+01 59 2013 7 nan nan 0 2013 8 9.95628e+00 1.25982e+01 36 2013 9 3.83723e+00 6.37078e+00 48 2013 10 4.44408e+00 7.20573e+00 121 2013 11 5.06735e+00 6.83128e+00 104 2013 12 1.16495e+00 1.83483e+00 96 2014 1 9.01851e-02 2.80419e-01 99 2014 2 4.19914e+00 3.33146e+00 135 2014 3 6.93460e-02 1.25000e-01 76 2014 4 1.16153e+00 6.39317e-01 48 2014 5 9.12067e+00 9.12437e+00 32 2014 6 1.12700e+01 7.83465e+00 22 2014 7 9.69768e+00 7.41509e+00 64 2014 8 6.65675e+00 5.08852e+00 48 2014 9 6.07584e+00 4.41594e+00 96 2014 10 4.36274e+00 6.84489e+00 260 2014 11 2.86676e+00 3.68084e+00 185 2014 12 2.27563e+00 3.78718e+00 140 2015 1 1.00428e-01 1.33747e-01 132 2015 2 3.02194e-01 1.62702e+00 132 2015 3 4.90181e+00 5.38418e+00 121 2015 4 1.28195e+00 1.30621e+00 54 2015 5 3.35304e+00 1.61340e+00 72 2015 6 4.75097e+00 1.57579e+00 20 2015 7 4.97153e+00 5.39305e+00 17 2015 8 6.76059e-01 1.77522e+00 37 2015 9 2.41856e+00 5.21185e+00 57 2015 10 1.09348e+00 7.65717e-01 97 2015 11 5.07314e+00 7.34802e+00 62 2015 12 8.03729e+00 1.33424e+01 47 2016 1 1.31539e-01 4.46085e-01 150 2016 2 6.67304e-01 1.58768e+00 241 2016 3 1.92393e+00 1.31520e+00 110 2016 4 3.70487e-02 3.70575e-02 46 2016 5 1.01123e+01 9.75970e+00 27 2016 6 1.29876e+01 6.17468e+00 93 2016 7 1.70081e+01 7.28599e+00 78 2016 8 1.90758e+00 2.59214e+00 43 2016 9 2.98291e+00 3.31921e+00 41 2016 10 8.63810e-01 8.83220e-01 153 2016 11 2.26606e+00 1.24116e+00 154 2016 12 7.61527e+00 6.40015e+00 211 2017 1 2.44696e+00 2.12358e+00 118 2017 2 2.79156e+00 3.71010e+00 235 2017 3 4.29879e+00 2.68668e+00 134 2017 4 4.99427e+00 2.58359e+00 105 2017 5 6.28180e+00 4.19060e+00 65 2017 6 2.60555e-02 1.59995e-02 16 2017 7 nan nan 0 2017 8 9.05292e-01 7.07514e-01 59 2017 9 7.58553e+00 1.22706e+01 59 2017 10 1.16996e+00 9.22830e-01 116 2017 11 3.48566e+00 2.11714e+00 226 2017 12 2.64454e+00 3.05242e+00 93 2018 1 9.68605e+00 7.31944e+00 193 2018 2 1.35579e+01 6.67913e+00 102 2018 3 6.79713e+00 5.89382e+00 169 2018 4 8.20155e+00 2.83171e+00 152 2018 5 9.39915e+00 4.07116e+00 80 2018 6 1.07000e+01 6.61410e+00 40 2018 7 4.94116e+00 4.08513e+00 74 2018 8 6.55375e+00 3.34762e+00 16 2018 9 3.62354e+00 8.30184e+00 43 2018 10 7.21934e-01 2.05940e+00 182 2018 11 5.17535e-01 6.08837e-01 80 2018 12 9.27824e-02 1.43778e-01 120 2019 1 3.71337e-02 6.18273e-02 162 2019 2 9.49050e-03 9.90858e-03 48 2019 3 4.09165e-01 5.04277e-01 106 2019 4 2.39319e+00 3.93538e+00 88 2019 5 3.50391e+00 2.31437e+00 78 2019 6 9.67628e+00 6.24154e+00 21 2019 7 7.95893e+00 7.52267e-01 16 2019 8 1.39390e+00 1.58075e+00 46 2019 9 1.11868e+00 8.29918e-01 96 2019 10 3.37966e+00 2.22110e+00 80 2019 11 6.36771e+00 9.21764e+00 144 2019 12 2.75492e+00 3.24457e+00 49 2020 1 3.35843e+00 3.58234e+00 84 2020 2 8.08373e-01 1.22202e+00 130 2020 3 1.07974e-01 2.10838e-01 106 2020 4 1.46420e+00 1.03735e+00 85 2020 5 1.53736e+00 1.90130e+00 64 2020 6 9.90876e+00 1.08851e+01 34 2020 7 4.36917e+00 4.20170e-01 15 2020 8 6.56536e+00 6.30550e+00 64 2020 9 1.43472e-04 2.36246e-05 16 2020 10 1.12059e+00 3.62439e+00 70 2020 11 7.58262e-02 1.80006e-01 137 2020 12 4.40145e-01 5.18910e-01 154 2021 1 2.20252e-02 4.53428e-02 108 2021 2 1.61346e+00 3.57875e+00 103 2021 3 3.70700e-02 4.66188e-02 101 2021 4 8.62841e-01 7.93870e-01 88 2021 5 1.34719e+00 6.34321e-01 74 2021 6 1.36411e+01 9.99895e-01 10 2021 7 2.64703e+00 2.51604e+00 32 2021 8 4.24084e-01 4.63292e-01 48 2021 9 2.67490e+01 2.22531e+01 25 2021 10 2.60216e-02 2.18190e-02 47 2021 11 7.01511e-01 1.07915e+00 131 2021 12 3.00463e-01 7.41088e-01 102 2022 1 1.55033e+00 3.02140e+00 213 2022 2 3.59684e+00 3.54986e+00 88 2022 3 1.75908e+00 2.11102e+00 169 2022 4 6.04677e-01 5.65564e-01 30 2022 5 3.57966e+00 4.16546e-01 32 2022 6 3.20941e+00 2.49474e+00 40 2022 7 7.96394e+00 7.22817e+00 65 2022 8 1.68042e+01 1.66276e+01 92 2022 9 2.19095e-01 2.06454e-01 56 2022 10 1.96507e+00 2.35253e+00 192 2022 11 4.43838e+00 5.43803e+00 99 2022 12 5.43229e+00 5.57963e+00 194 2023 1 4.43968e+00 4.95286e+00 230 2023 2 5.36182e+00 5.01481e+00 197 2023 3 5.05470e+00 3.32394e+00 112 2023 4 4.35351e+00 4.64881e+00 56 2023 5 7.54253e+00 4.67253e+00 53 2023 6 1.53876e+01 3.81004e+00 33 2023 7 7.74125e+00 5.37907e+00 60 2023 8 5.39290e+00 5.67923e+00 36 2023 9 5.06846e+00 6.92360e+00 104 2023 10 5.38882e+00 1.04260e+01 135 2023 11 3.61672e+00 6.02035e+00 124 2023 12 7.09839e+00 1.00587e+01 50 2024 1 1.21303e+00 2.20197e+00 64 2024 2 5.63253e-01 4.92407e-01 148 2024 3 7.11362e-01 8.28303e-01 96 2024 4 nan nan 0