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 2.43129e+00 8.51223e-02 17 2002 8 2.15436e+00 4.30082e-01 46 2002 9 1.34267e+00 9.27442e-01 80 2002 10 1.00614e+00 5.20530e-01 106 2002 11 1.84215e-01 4.06443e-01 141 2002 12 1.21724e+00 4.41792e-01 155 2003 1 1.06182e+00 5.74170e-01 186 2003 2 1.79748e+00 2.77088e-01 109 2003 3 -6.38041e-01 2.22407e-01 44 2003 4 4.15921e-01 7.53498e-01 126 2003 5 1.45394e+00 9.08502e-01 43 2003 6 1.22209e+00 5.87010e-01 50 2003 7 -1.38743e-01 4.72447e-01 48 2003 8 2.77982e-01 4.03232e-01 48 2003 9 1.71994e-01 7.01024e-01 109 2003 10 1.42702e+00 5.82029e-01 191 2003 11 1.31186e+00 5.63992e-01 224 2003 12 1.94111e+00 4.98251e-01 155 2004 1 2.38938e+00 3.98908e-01 145 2004 2 5.75316e-01 8.70617e-01 63 2004 3 1.62794e+00 5.58416e-01 176 2004 4 2.07236e+00 6.22040e-01 122 2004 5 2.51281e+00 3.41651e-01 146 2004 6 2.15301e+00 1.31468e-01 15 2004 7 2.02883e+00 2.70569e-01 64 2004 8 2.00283e+00 6.07987e-01 65 2004 9 9.51110e-01 1.05212e+00 46 2004 10 1.03465e+00 4.25061e-01 70 2004 11 1.14800e+00 5.48966e-01 159 2004 12 8.71646e-01 5.25601e-01 123 2005 1 1.16640e+00 5.28057e-01 198 2005 2 1.49063e+00 5.14886e-01 144 2005 3 1.25498e+00 6.08311e-01 175 2005 4 2.53520e-01 8.69298e-02 16 2005 5 1.52326e+00 7.06213e-01 111 2005 6 1.48479e+00 5.43419e-01 60 2005 7 6.73018e-01 7.58503e-01 96 2005 8 4.15560e-01 8.29875e-01 38 2005 9 1.82493e+00 8.15085e-01 67 2005 10 1.86426e+00 4.15157e-01 240 2005 11 2.20047e+00 4.78546e-01 222 2005 12 2.01401e+00 4.25196e-01 124 2006 1 1.40700e+00 4.10428e-01 102 2006 2 1.56272e+00 5.04484e-01 162 2006 3 1.69973e+00 5.39046e-01 240 2006 4 2.04712e+00 6.64881e-01 151 2006 5 2.40140e+00 3.88803e-01 128 2006 6 2.77769e+00 2.01303e-01 64 2006 7 2.38030e+00 3.92443e-01 48 2006 8 2.54418e+00 2.77376e-01 128 2006 9 2.07235e+00 4.00362e-01 112 2006 10 1.81641e+00 6.22201e-01 180 2006 11 2.33270e+00 5.18236e-01 137 2006 12 2.11562e+00 6.94392e-01 98 2007 1 3.04681e-01 2.92592e-01 65 2007 2 7.91311e-01 5.02009e-01 186 2007 3 1.80933e+00 3.25901e-01 254 2007 4 2.12076e+00 4.56305e-01 147 2007 5 2.19853e+00 5.86079e-01 23 2007 6 2.48475e+00 1.89230e-01 48 2007 7 2.25499e+00 3.30633e-01 112 2007 8 1.81515e+00 1.37467e+00 80 2007 9 7.93379e-01 4.61930e-01 60 2007 10 1.19414e+00 8.86136e-01 128 2007 11 1.92360e+00 5.35654e-01 247 2007 12 2.34815e+00 2.28341e-01 64 2008 1 1.57342e+00 6.76749e-01 110 2008 2 1.16597e+00 6.99712e-01 218 2008 3 9.11404e-02 6.01935e-01 172 2008 4 1.11642e+00 4.82720e-01 112 2008 5 2.33168e+00 3.44303e-01 96 2008 6 2.59012e+00 2.77368e-01 128 2008 7 2.67541e+00 1.92328e-01 53 2008 8 2.37273e+00 5.68789e-02 16 2008 9 6.21210e-01 5.06830e-01 132 2008 10 1.37792e+00 6.16117e-01 256 2008 11 1.76450e+00 5.65569e-01 250 2008 12 1.00452e+00 1.45607e+00 135 2009 1 1.14189e+00 5.73485e-01 148 2009 2 2.01961e+00 4.26296e-01 176 2009 3 1.88692e+00 7.40810e-01 125 2009 4 -3.72060e-01 3.76345e-01 48 2009 5 1.76757e+00 4.42281e-01 80 2009 6 2.38535e+00 1.41406e-01 16 2009 7 2.31744e+00 3.10889e-01 37 2009 8 2.06888e+00 1.34225e-01 40 2009 9 7.91991e-01 1.38971e+00 64 2009 10 1.08986e+00 5.51254e-01 181 2009 11 6.61107e-01 5.91040e-01 160 2009 12 -3.76778e-01 2.91948e-01 19 2010 1 1.95951e-01 4.01883e-01 25 2010 2 -2.53519e-01 1.94510e-01 47 2010 3 9.16252e-01 4.45049e-01 153 2010 4 1.33785e+00 5.07324e-01 144 2010 5 1.46217e+00 2.52020e-01 48 2010 6 2.12623e+00 1.95754e-01 96 2010 7 2.15114e+00 1.53018e-01 64 2010 8 2.37747e+00 8.23203e-02 32 2010 9 2.06047e+00 4.37421e-01 144 2010 10 2.23685e+00 3.49569e-01 304 2010 11 2.31289e+00 4.29014e-01 272 2010 12 1.98641e+00 5.22020e-01 160 2011 1 1.64868e+00 4.29865e-01 168 2011 2 1.38127e+00 4.76859e-01 112 2011 3 1.68936e+00 5.40034e-01 128 2011 4 1.89316e+00 3.89633e-01 144 2011 5 2.53740e+00 1.44862e-01 80 2011 6 2.32879e+00 3.40777e-01 112 2011 7 2.31348e+00 2.32802e-01 80 2011 8 2.27091e+00 8.78726e-02 67 2011 9 2.26138e+00 4.33272e-01 160 2011 10 2.19525e+00 4.26760e-01 239 2011 11 1.50984e+00 7.68084e-01 102 2011 12 1.92779e+00 6.13982e-01 177 2012 1 2.11862e+00 5.11505e-01 159 2012 2 1.35906e+00 2.35195e-01 30 2012 3 1.51932e+00 4.53265e-01 144 2012 4 2.25628e+00 4.63842e-01 208 2012 5 2.56766e+00 8.32743e-01 144 2012 6 4.98680e-01 1.59678e+00 64 2012 7 1.31696e+00 4.57321e-01 80 2012 8 -7.31628e-02 8.82011e-01 80 2012 9 4.00965e-01 3.74207e-01 80 2012 10 9.81560e-01 4.41975e-01 189 2012 11 2.28635e+00 4.28322e-01 224 2012 12 2.75247e+00 3.98358e-01 76 2013 1 2.31335e+00 4.50613e-01 110 2013 2 1.49834e+00 8.61507e-01 144 2013 3 -8.24323e-02 4.03615e-01 84 2013 4 4.30868e-01 2.83254e-01 78 2013 5 1.40741e+00 1.83849e-01 80 2013 6 2.09854e+00 8.53378e-02 32 2013 7 nan nan 0 2013 8 1.09460e-01 6.99392e-01 74 2013 9 7.91461e-01 6.61129e-01 144 2013 10 9.92180e-01 4.21718e-01 176 2013 11 1.19346e+00 8.18051e-01 83 2013 12 1.83261e+00 7.56904e-01 130 2014 1 5.74663e-02 6.28475e-01 58 2014 2 8.76578e-01 6.64959e-01 144 2014 3 1.42749e-01 8.60418e-01 109 2014 4 1.96431e-01 3.45561e-01 48 2014 5 8.75110e-02 8.41114e-01 118 2014 6 1.87497e+00 3.16899e-01 96 2014 7 2.24107e+00 1.72561e-01 48 2014 8 2.31631e+00 2.55394e-01 84 2014 9 1.75588e+00 6.56541e-01 160 2014 10 1.61712e+00 4.55704e-01 310 2014 11 1.64159e+00 5.44935e-01 152 2014 12 1.40017e+00 6.10066e-01 172 2015 1 4.60205e-01 6.43959e-01 146 2015 2 1.75371e-01 7.20181e-01 141 2015 3 1.21018e+00 3.36653e-01 144 2015 4 2.10056e+00 1.46553e-01 48 2015 5 1.29606e+00 8.16013e-01 144 2015 6 1.68951e+00 6.42870e-01 43 2015 7 2.13025e+00 2.75960e-01 64 2015 8 2.19711e+00 2.43798e-01 98 2015 9 1.24368e+00 4.14787e-01 86 2015 10 1.90292e+00 2.87392e-01 131 2015 11 3.77708e-01 8.82950e-01 188 2015 12 3.30665e-01 6.53392e-01 114 2016 1 -5.00877e-01 4.00313e-01 20 2016 2 2.67026e-01 4.99707e-01 127 2016 3 1.44049e+00 9.39496e-01 93 2016 4 1.99637e-02 2.82146e-01 80 2016 5 2.00073e+00 3.46716e-01 112 2016 6 2.35731e+00 1.90583e-01 112 2016 7 2.07804e+00 4.92969e-01 160 2016 8 -8.95447e-01 7.50739e+00 123 2016 9 1.28025e+00 7.10284e-01 160 2016 10 1.46717e+00 6.36176e-01 256 2016 11 2.39253e+00 5.25425e-01 176 2016 12 1.86953e+00 5.53081e-01 142 2017 1 6.62460e-01 9.36712e-01 46 2017 2 5.71388e-01 6.16209e-01 195 2017 3 1.65772e+00 7.54807e-01 177 2017 4 1.99942e+00 3.23003e-01 112 2017 5 2.15750e+00 5.26204e-01 96 2017 6 2.44465e+00 2.45582e-01 48 2017 7 1.15372e+00 3.82802e-01 64 2017 8 1.80232e+00 2.33726e-01 36 2017 9 1.75073e+00 2.87500e-01 128 2017 10 1.40073e+00 8.22185e-01 175 2017 11 2.25434e+00 4.50226e-01 252 2017 12 2.14817e+00 4.42535e-01 107 2018 1 1.93685e+00 4.74983e-01 176 2018 2 1.22510e+00 5.78056e-01 96 2018 3 1.76193e+00 5.62546e-01 192 2018 4 2.13884e+00 3.05315e-01 144 2018 5 2.04879e+00 3.74604e-01 82 2018 6 1.77088e+00 7.80566e-01 62 2018 7 1.80523e+00 4.07974e-01 66 2018 8 9.34438e-01 4.37814e-01 62 2018 9 1.51979e+00 5.03228e-01 128 2018 10 2.39762e-01 8.88848e-01 242 2018 11 6.34224e-01 4.80714e-01 111 2018 12 -3.36924e-01 7.10876e-01 36 2019 1 -3.86255e-01 1.73724e-01 55 2019 2 2.18331e-01 7.87420e-01 62 2019 3 9.99229e-01 4.43070e-01 209 2019 4 1.37102e+00 5.07939e-01 112 2019 5 2.05672e+00 5.86293e-01 129 2019 6 2.31079e+00 1.45337e-01 88 2019 7 1.88538e+00 1.82052e-01 64 2019 8 1.92596e+00 7.77830e-01 134 2019 9 1.60999e+00 6.17086e-01 240 2019 10 1.53295e+00 5.67509e-01 128 2019 11 2.03250e+00 6.36671e-01 176 2019 12 1.59651e+00 6.32821e-01 64 2020 1 5.81081e-01 5.48059e-01 104 2020 2 2.82483e-01 9.75323e-01 80 2020 3 2.45449e-01 8.32150e-01 77 2020 4 1.04007e+00 3.78520e-01 96 2020 5 1.23282e+00 7.89115e-01 96 2020 6 1.37175e+00 6.74975e-01 80 2020 7 2.52378e+00 1.19699e-01 46 2020 8 2.15801e+00 2.41885e-01 48 2020 9 5.00894e-01 8.61847e-01 64 2020 10 4.18215e-01 1.07223e+00 160 2020 11 1.17910e+00 7.22070e-01 179 2020 12 1.81516e+00 5.60658e-01 243 2021 1 8.95591e-01 3.37696e-01 87 2021 2 9.50331e-01 6.92459e-01 48 2021 3 2.96273e-01 4.95487e-01 111 2021 4 1.02512e+00 4.05182e-01 145 2021 5 1.49533e+00 7.15350e-01 92 2021 6 2.06420e+00 2.41670e-01 32 2021 7 1.28909e+00 4.89070e-01 80 2021 8 1.34737e+00 7.88053e-01 144 2021 9 3.25022e-01 6.10473e-01 96 2021 10 4.27743e-01 5.30318e-01 112 2021 11 1.53954e+00 5.97117e-01 207 2021 12 2.00768e+00 3.22875e-01 144 2022 1 1.55580e+00 4.82906e-01 159 2022 2 1.07351e+00 2.84537e-01 116 2022 3 1.13446e+00 6.55426e-01 194 2022 4 1.26052e+00 1.58626e-01 35 2022 5 1.89897e+00 4.66643e-01 52 2022 6 1.92796e+00 3.94720e-01 168 2022 7 2.34457e+00 2.86948e-01 108 2022 8 1.87648e+00 3.20912e-01 68 2022 9 4.74292e-01 2.06397e+00 115 2022 10 1.90869e+00 6.15408e-01 301 2022 11 2.03277e+00 5.05094e-01 99 2022 12 2.16852e+00 4.51134e-01 144 2023 1 1.99527e+00 4.83574e-01 167 2023 2 2.68127e-01 6.35401e-01 110 2023 3 1.22545e+00 4.49888e-01 94 2023 4 1.25094e+00 6.59597e-01 80 2023 5 2.33171e+00 1.67895e-01 65 2023 6 1.88889e+00 2.98869e-01 79 2023 7 2.06290e+00 6.04960e-01 54 2023 8 2.09040e+00 3.17908e-01 64 2023 9 1.56648e+00 8.08744e-01 165 2023 10 1.43141e+00 8.08654e-01 197 2023 11 2.21178e+00 5.18391e-01 115 2023 12 1.46922e-01 8.58377e-01 74 2024 1 2.69496e-01 3.04422e-01 69 2024 2 6.23310e-01 7.12636e-01 80 2024 3 5.31404e-01 3.70486e-01 59 2024 4 nan nan 0