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 7.06255e-01 1.46066e-01 13 2002 8 1.22365e+00 2.98419e-01 19 2002 9 2.56190e+00 9.85598e-01 55 2002 10 1.71732e+00 4.82571e-01 42 2002 11 1.91202e+00 6.35159e-01 70 2002 12 1.87177e+00 1.04866e+00 72 2003 1 2.15303e+00 7.45878e-01 91 2003 2 1.55556e+00 4.82545e-01 88 2003 3 3.05931e+00 4.05756e-01 35 2003 4 2.45084e+00 6.93327e-01 48 2003 5 nan nan 0 2003 6 nan nan 0 2003 7 nan nan 0 2003 8 2.78243e+00 8.34369e-01 40 2003 9 2.31790e+00 7.99900e-01 48 2003 10 1.08562e+00 4.23527e-01 187 2003 11 1.37707e+00 6.28948e-01 133 2003 12 1.57015e+00 3.08428e-01 137 2004 1 1.99772e+00 6.73622e-01 56 2004 2 4.38476e+00 1.12955e+00 37 2004 3 1.59637e+00 5.33828e-01 79 2004 4 1.31143e+00 2.71000e-01 27 2004 5 1.23053e+00 5.08983e-01 60 2004 6 1.49095e+00 1.35912e-01 18 2004 7 1.46931e+00 1.34728e-01 20 2004 8 1.39390e+00 8.62480e-02 16 2004 9 1.82078e+00 1.05282e+00 79 2004 10 1.68097e+00 4.11824e-01 80 2004 11 2.07569e+00 6.84479e-01 78 2004 12 2.55042e+00 4.77962e-01 80 2005 1 2.19101e+00 8.53826e-01 70 2005 2 1.96891e+00 7.22154e-01 80 2005 3 1.50559e+00 5.25734e-01 132 2005 4 7.65357e+00 8.66162e-02 16 2005 5 2.75126e+00 4.35249e-01 17 2005 6 2.28283e+00 1.52725e-01 32 2005 7 2.52334e+00 7.72072e-01 38 2005 8 nan nan 0 2005 9 1.85324e+00 2.50656e-01 32 2005 10 1.32221e+00 6.45019e-01 151 2005 11 1.68570e+00 9.79712e-01 111 2005 12 1.58467e+00 5.76282e-01 64 2006 1 2.23691e+00 8.76394e-01 82 2006 2 2.27779e+00 8.28106e-01 94 2006 3 1.81347e+00 8.00986e-01 112 2006 4 1.44378e+00 2.82009e-01 48 2006 5 1.44505e+00 4.40413e-01 56 2006 6 1.41560e+00 1.15832e-01 16 2006 7 9.66359e-01 2.94818e-01 30 2006 8 2.16546e+00 9.44864e-02 3 2006 9 1.83084e+00 2.41850e-01 78 2006 10 1.65895e+00 8.16868e-01 152 2006 11 1.69772e+00 6.01125e-01 128 2006 12 1.84324e+00 1.27604e+00 104 2007 1 1.76038e+00 5.14127e-01 69 2007 2 1.19508e+00 3.54198e-01 81 2007 3 1.12780e+00 3.49889e-01 107 2007 4 1.25859e+00 5.53543e-01 78 2007 5 1.40870e+00 8.71638e-02 16 2007 6 nan nan 0 2007 7 8.46189e-01 8.36463e-02 16 2007 8 3.17443e+00 3.50703e+00 18 2007 9 7.55473e-01 4.11970e-01 29 2007 10 1.15002e+00 4.44176e-01 85 2007 11 1.71961e+00 8.93908e-01 109 2007 12 9.94978e-01 3.06325e-01 28 2008 1 2.17802e+00 1.08078e+00 61 2008 2 3.06893e+00 4.12961e-01 66 2008 3 3.38288e+00 1.01812e+00 104 2008 4 1.39004e+00 1.04046e-01 32 2008 5 1.77316e+00 7.62901e-02 13 2008 6 1.39569e+00 2.33074e-01 37 2008 7 1.45363e+00 1.99427e-01 32 2008 8 1.02694e+00 3.54973e-01 35 2008 9 1.43953e+00 4.48986e-01 62 2008 10 1.47310e+00 8.55901e-01 113 2008 11 1.61455e+00 7.33585e-01 178 2008 12 2.10569e+00 7.20525e-01 74 2009 1 2.28074e+00 7.15859e-01 96 2009 2 1.82949e+00 5.29662e-01 102 2009 3 1.88366e+00 8.02243e-01 41 2009 4 1.58046e+00 1.87582e-01 16 2009 5 2.33060e+00 6.20085e-02 16 2009 6 2.18337e+00 1.74041e-01 6 2009 7 nan nan 0 2009 8 4.70570e-01 7.61674e-03 2 2009 9 2.86785e+00 3.79879e-01 32 2009 10 1.72435e+00 2.64954e-01 81 2009 11 1.83182e+00 5.98712e-01 119 2009 12 3.50387e+00 7.84575e-01 26 2010 1 3.32902e+00 1.65402e+00 89 2010 2 5.14776e+00 1.55234e+00 69 2010 3 3.98725e+00 1.77180e+00 72 2010 4 1.62998e+00 5.89063e-01 82 2010 5 1.51465e+00 2.53228e-01 45 2010 6 1.61943e+00 2.83359e-01 59 2010 7 1.63411e+00 3.67282e-01 41 2010 8 nan nan 0 2010 9 1.25549e+00 3.77311e-01 105 2010 10 1.14733e+00 3.16350e-01 179 2010 11 1.31035e+00 3.88032e-01 106 2010 12 1.91257e+00 4.63468e-01 171 2011 1 1.69517e+00 6.23339e-01 157 2011 2 3.23817e+00 1.11847e+00 75 2011 3 3.13188e+00 1.00783e+00 80 2011 4 1.64830e+00 3.25069e-01 46 2011 5 1.13744e+00 2.09338e-01 48 2011 6 1.36745e+00 3.10686e-01 39 2011 7 1.45402e+00 1.70964e-01 25 2011 8 1.63675e+00 1.27994e-01 47 2011 9 2.75171e+00 1.38097e+00 27 2011 10 1.35780e+00 5.62296e-01 125 2011 11 1.32154e+00 3.46581e-01 88 2011 12 1.18661e+00 2.66193e-01 82 2012 1 1.60309e+00 4.49680e-01 131 2012 2 1.31371e+00 1.93371e-01 31 2012 3 1.56585e+00 6.21159e-01 42 2012 4 1.40994e+00 2.41783e-01 48 2012 5 9.33141e-01 4.56097e-02 16 2012 6 nan nan 0 2012 7 1.29552e+00 1.03341e-01 16 2012 8 1.51286e+00 1.13896e-01 16 2012 9 1.72802e+00 6.16531e-01 34 2012 10 1.57372e+00 7.72018e-01 135 2012 11 1.36941e+00 5.92773e-01 158 2012 12 1.33079e+00 1.09595e+00 127 2013 1 1.82226e+00 3.19076e-01 64 2013 2 2.64623e+00 1.35679e+00 98 2013 3 1.76587e+00 8.29003e-01 88 2013 4 1.47486e+00 4.39131e-01 38 2013 5 2.88686e+00 1.96626e-01 16 2013 6 nan nan 0 2013 7 nan nan 0 2013 8 1.90869e+00 6.99556e-01 47 2013 9 1.18264e+00 2.20033e-01 74 2013 10 9.64105e-01 4.91054e-01 141 2013 11 1.69355e+00 1.10723e+00 121 2013 12 1.16041e+00 4.72405e-01 75 2014 1 2.33190e+00 5.31372e-01 80 2014 2 1.87486e+00 3.26427e-01 64 2014 3 1.61228e+00 3.92336e-01 78 2014 4 3.60353e+00 1.05282e+00 39 2014 5 2.15256e+00 1.30749e-01 16 2014 6 nan nan 0 2014 7 1.13248e+00 1.71216e-01 31 2014 8 1.17803e+00 1.38031e-01 7 2014 9 1.14482e+00 4.08036e-01 57 2014 10 1.14151e+00 4.37286e-01 176 2014 11 1.65415e+00 5.71080e-01 156 2014 12 1.10137e+00 2.82484e-01 113 2015 1 1.79414e+00 7.83555e-01 144 2015 2 1.54001e+00 4.23515e-01 134 2015 3 1.75395e+00 4.61362e-01 24 2015 4 3.25803e+00 1.05429e-01 16 2015 5 1.78977e+00 9.74582e-02 28 2015 6 1.68451e+00 1.15568e-01 16 2015 7 1.85475e+00 2.36453e-01 32 2015 8 9.07445e-01 3.92055e-01 54 2015 9 1.07093e+00 4.60935e-01 33 2015 10 1.14663e+00 3.47652e-01 101 2015 11 9.16595e-01 2.88500e-01 50 2015 12 9.86505e-01 2.49961e-01 61 2016 1 1.73367e+00 1.02641e+00 36 2016 2 3.94652e+00 7.23488e-01 95 2016 3 3.05526e+00 7.29010e-01 72 2016 4 3.59685e+00 2.43778e-01 46 2016 5 1.59184e+00 1.14456e-01 16 2016 6 1.29846e+00 2.63841e-01 46 2016 7 1.08518e+00 2.65641e-01 40 2016 8 1.43438e+00 1.51249e-01 45 2016 9 1.01380e+00 9.82109e-02 74 2016 10 1.12145e+00 8.11536e-01 159 2016 11 1.06063e+00 5.69491e-01 133 2016 12 1.64257e+00 6.63668e-01 60 2017 1 3.32261e+00 9.44696e-01 92 2017 2 2.64682e+00 7.90375e-01 95 2017 3 1.92939e+00 8.11388e-01 77 2017 4 1.75521e+00 4.18057e-01 34 2017 5 1.12088e+00 6.33996e-01 48 2017 6 1.25934e+00 6.52510e-02 16 2017 7 1.90865e+00 1.05847e+00 24 2017 8 2.25446e+00 8.15185e-01 42 2017 9 1.42331e+00 6.45598e-01 53 2017 10 1.77415e+00 7.54372e-01 101 2017 11 1.16059e+00 5.70518e-01 100 2017 12 1.02021e+00 3.10595e-01 95 2018 1 2.08894e+00 9.91073e-01 113 2018 2 2.63499e+00 8.06025e-01 21 2018 3 1.99696e+00 7.55120e-01 58 2018 4 1.01388e+00 3.04661e-01 91 2018 5 1.18514e+00 1.58584e-01 24 2018 6 2.89361e+00 9.39692e-02 16 2018 7 1.41514e+00 2.79783e-01 14 2018 8 1.13208e+00 2.19377e-01 32 2018 9 1.76662e+00 4.34311e-01 60 2018 10 1.24865e+00 4.81925e-01 96 2018 11 2.01800e+00 3.01799e-01 51 2018 12 1.92291e+00 4.07026e-01 48 2019 1 5.02034e+00 7.07311e-01 38 2019 2 1.21283e+00 1.47170e-01 32 2019 3 1.20969e+00 4.84617e-01 58 2019 4 2.34013e+00 8.70370e-01 69 2019 5 2.57419e+00 1.60217e+00 100 2019 6 1.64243e+00 5.34139e-01 28 2019 7 1.28481e+00 1.13590e-01 4 2019 8 1.07096e+00 4.20083e-01 27 2019 9 1.44571e+00 4.35896e-01 48 2019 10 9.56056e-01 3.00282e-01 95 2019 11 1.30284e+00 1.07372e+00 93 2019 12 1.88144e+00 6.02825e-01 32 2020 1 2.53816e+00 1.34340e+00 64 2020 2 2.80302e+00 1.23710e+00 111 2020 3 2.75342e+00 1.23189e+00 66 2020 4 2.07850e+00 6.44977e-01 33 2020 5 1.58575e+00 3.04066e-01 45 2020 6 1.37212e+00 1.87887e-01 17 2020 7 1.08413e+00 1.61816e-01 31 2020 8 1.11944e+00 2.61007e-01 27 2020 9 nan nan 0 2020 10 2.53813e+00 1.90127e+00 64 2020 11 1.43782e+00 3.63850e-01 80 2020 12 1.67630e+00 3.70630e-01 142 2021 1 2.11440e+00 7.38788e-01 79 2021 2 2.35047e+00 8.25736e-01 92 2021 3 2.19833e+00 5.00851e-01 96 2021 4 3.30109e+00 8.94161e-01 70 2021 5 2.07528e+00 5.06672e-01 37 2021 6 2.83270e+00 1.60901e-01 3 2021 7 2.69833e+00 7.21548e-01 31 2021 8 nan nan 0 2021 9 2.75344e+00 7.01191e-01 43 2021 10 3.88141e+00 2.26814e-01 17 2021 11 1.22768e+00 3.98750e-01 159 2021 12 1.47418e+00 6.03338e-01 46 2022 1 2.02334e+00 6.72755e-01 125 2022 2 2.76965e+00 1.12513e+00 86 2022 3 1.91424e+00 1.47127e+00 107 2022 4 3.90640e+00 4.85388e-02 8 2022 5 2.71596e+00 3.30284e-01 44 2022 6 9.93621e-01 6.15689e-01 32 2022 7 1.38260e+00 1.90859e-01 38 2022 8 1.98043e+00 3.88884e-01 34 2022 9 1.71816e+00 6.32453e-01 99 2022 10 1.35004e+00 5.12512e-01 192 2022 11 1.34389e+00 7.57310e-01 103 2022 12 1.87155e+00 1.05249e+00 97 2023 1 1.78869e+00 4.50671e-01 178 2023 2 3.02931e+00 1.01088e+00 97 2023 3 1.86942e+00 6.23572e-01 18 2023 4 1.35137e+00 5.78902e-01 33 2023 5 8.72467e-01 3.63356e-01 32 2023 6 nan nan 0 2023 7 1.30508e+00 3.92355e-01 80 2023 8 1.56697e+00 8.02027e-01 53 2023 9 9.97944e-01 4.60782e-01 88 2023 10 9.97731e-01 6.07166e-01 129 2023 11 1.31417e+00 5.82301e-01 113 2023 12 1.03919e+00 5.50338e-01 75 2024 1 1.80022e+00 9.10959e-01 70 2024 2 1.70552e+00 5.31880e-01 93 2024 3 1.70333e+00 8.76089e-01 39 2024 4 nan nan 0