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 5.40124e+00 6.02469e-01 16 2002 8 4.65397e+00 4.69548e-01 20 2002 9 3.37373e+00 5.73238e-01 21 2002 10 5.91484e+00 2.80830e+00 32 2002 11 7.53426e-01 1.36321e+00 20 2002 12 3.36557e+00 9.06819e-01 9 2003 1 2.51531e+00 8.77695e-01 99 2003 2 3.41249e+00 6.20552e-01 103 2003 3 -2.98603e-02 3.74089e-01 18 2003 4 1.86402e+00 6.86698e-01 27 2003 5 nan nan 0 2003 6 3.32798e+00 7.62298e-02 2 2003 7 1.47851e+00 2.10024e-01 3 2003 8 2.57383e+00 1.39284e-01 4 2003 9 2.25457e+00 4.47227e-01 14 2003 10 3.53577e+00 6.82580e-01 44 2003 11 3.62748e+00 1.80145e+00 75 2003 12 3.19625e+00 3.76065e-01 72 2004 1 3.68187e+00 3.57516e-01 52 2004 2 2.46012e+00 1.19699e+00 41 2004 3 2.80615e+00 5.72042e-01 38 2004 4 4.45218e+00 4.07577e-01 12 2004 5 5.51900e+00 5.67747e-01 20 2004 6 nan nan 0 2004 7 4.11352e+00 8.23154e-01 20 2004 8 4.16423e+00 8.19551e-01 25 2004 9 2.78011e+00 6.59915e-02 4 2004 10 4.78728e+00 1.01892e+00 15 2004 11 4.46086e+00 1.54870e+00 21 2004 12 2.88951e+00 1.04768e+00 84 2005 1 2.98594e+00 6.21994e-01 35 2005 2 2.96849e+00 8.85114e-01 23 2005 3 3.46488e+00 6.52134e-01 55 2005 4 -2.59469e-01 4.61572e-01 48 2005 5 nan nan 0 2005 6 3.54521e+00 9.43145e-01 34 2005 7 4.01981e+00 1.10011e+00 36 2005 8 nan nan 0 2005 9 nan nan 0 2005 10 4.37387e+00 1.18815e+00 53 2005 11 4.54696e+00 1.52905e+00 74 2005 12 2.90559e+00 5.27475e-01 46 2006 1 3.08580e+00 6.22909e-01 55 2006 2 3.07181e+00 4.67842e-01 98 2006 3 3.62160e+00 7.36432e-01 108 2006 4 4.51530e+00 8.85639e-01 44 2006 5 4.53160e+00 3.31910e-01 25 2006 6 4.73927e+00 3.40146e-01 26 2006 7 nan nan 0 2006 8 4.66513e+00 0.00000e+00 3 2006 9 4.56815e+00 7.67274e-01 38 2006 10 4.26994e+00 6.20686e-01 80 2006 11 3.77898e+00 7.59650e-01 104 2006 12 4.30979e+00 1.00230e+00 76 2007 1 4.11634e+00 1.00006e+00 40 2007 2 3.47065e+00 5.87811e-01 52 2007 3 4.07232e+00 7.48467e-01 46 2007 4 5.34216e+00 1.13196e+00 66 2007 5 4.72068e+00 4.06737e-01 26 2007 6 nan nan 0 2007 7 5.08193e+00 4.00680e-01 30 2007 8 4.24500e+00 2.09266e-01 22 2007 9 4.82232e+00 6.30719e-01 9 2007 10 4.42343e+00 5.94088e-01 60 2007 11 3.79293e+00 1.16394e+00 46 2007 12 2.79250e+00 6.95095e-01 69 2008 1 1.61788e+00 9.99334e-01 61 2008 2 1.61485e+00 5.07982e-01 55 2008 3 1.65593e-01 8.57749e-01 36 2008 4 2.72040e+00 9.00008e-01 22 2008 5 6.64483e+00 8.02284e-01 4 2008 6 4.52714e+00 1.07584e+00 30 2008 7 nan nan 0 2008 8 6.78318e+00 6.72622e-01 24 2008 9 5.35065e+00 8.80526e-01 16 2008 10 4.44733e+00 1.62287e+00 64 2008 11 4.32360e+00 6.54986e-01 94 2008 12 3.64636e+00 1.15786e+00 44 2009 1 3.01424e+00 1.20652e+00 55 2009 2 3.94287e+00 9.60967e-01 27 2009 3 4.54944e+00 8.82435e-01 22 2009 4 -5.42775e-01 6.99221e-01 26 2009 5 2.30034e+00 4.67200e-01 18 2009 6 nan nan 0 2009 7 nan nan 0 2009 8 nan nan 0 2009 9 nan nan 0 2009 10 3.11895e+00 1.03640e+00 40 2009 11 3.87091e+00 3.84189e-01 8 2009 12 2.26853e-01 8.69893e-01 12 2010 1 6.09124e-01 5.27739e-01 42 2010 2 4.17073e-01 6.84207e-01 83 2010 3 1.23246e+00 7.04041e-01 38 2010 4 4.20339e+00 4.90541e-01 10 2010 5 nan nan 0 2010 6 5.43731e+00 1.09382e+00 35 2010 7 5.34147e+00 1.39455e+00 36 2010 8 nan nan 0 2010 9 5.05201e+00 1.05410e+00 54 2010 10 4.78821e+00 7.68147e-01 91 2010 11 5.03087e+00 1.12832e+00 75 2010 12 4.22129e+00 8.17824e-01 126 2011 1 3.82402e+00 5.80161e-01 83 2011 2 2.89728e+00 5.11968e-01 67 2011 3 3.80187e+00 5.36849e-01 85 2011 4 4.31672e+00 6.57450e-01 27 2011 5 5.00224e+00 4.93289e-01 52 2011 6 5.53073e+00 6.27766e-01 27 2011 7 5.00011e+00 7.56438e-01 41 2011 8 4.75382e+00 1.25801e+00 9 2011 9 4.97304e+00 8.86705e-01 57 2011 10 5.60153e+00 1.86002e+00 129 2011 11 5.22735e+00 1.76773e+00 67 2011 12 4.42625e+00 5.31523e-01 71 2012 1 4.44950e+00 1.40198e+00 105 2012 2 4.63991e+00 5.60453e-01 10 2012 3 3.97754e+00 0.00000e+00 1 2012 4 5.05624e+00 7.36991e-01 7 2012 5 6.26703e+00 9.12351e-01 19 2012 6 5.04290e+00 1.01945e+00 25 2012 7 4.61831e+00 6.19984e-01 17 2012 8 6.38078e-01 1.33050e+00 5 2012 9 nan nan 0 2012 10 3.44677e+00 1.15651e+00 61 2012 11 4.37461e+00 1.71980e+00 35 2012 12 4.04599e+00 8.60096e-01 131 2013 1 3.60013e+00 9.91001e-01 42 2013 2 3.17860e+00 3.35537e-01 41 2013 3 1.87084e-01 1.67176e+00 31 2013 4 3.94450e+00 4.76291e-01 3 2013 5 3.50288e+00 4.73327e-01 7 2013 6 3.28122e+00 2.99146e-01 4 2013 7 nan nan 0 2013 8 6.02091e-01 4.87411e-01 13 2013 9 2.87115e-01 2.51334e-01 6 2013 10 3.52221e+00 8.14167e-01 14 2013 11 2.31667e+00 4.04306e+00 43 2013 12 4.53372e+00 1.08217e+00 6 2014 1 1.62089e+00 6.05547e-01 34 2014 2 2.53310e+00 8.78182e-01 70 2014 3 1.48638e+00 5.88929e-01 47 2014 4 1.55848e+00 2.91579e-01 15 2014 5 -3.86485e-01 2.63602e-01 4 2014 6 3.41775e+00 6.26778e-01 30 2014 7 2.92516e+00 4.08686e-01 13 2014 8 nan nan 0 2014 9 7.08943e+00 3.43105e+00 5 2014 10 4.32045e+00 1.28798e+00 100 2014 11 4.13849e+00 1.09787e+00 43 2014 12 3.60465e+00 7.61754e-01 40 2015 1 2.64560e+00 6.59715e-01 75 2015 2 2.92987e+00 5.38204e-01 44 2015 3 3.73304e+00 2.18626e-01 21 2015 4 4.85608e+00 7.43267e-01 16 2015 5 3.40825e+00 1.47204e+00 16 2015 6 5.98151e+00 1.11635e+00 14 2015 7 4.31125e+00 6.31263e-01 25 2015 8 5.85976e+00 8.28994e-01 16 2015 9 5.62631e+00 9.11916e-01 40 2015 10 1.51237e+00 1.57741e+00 30 2015 11 2.31009e+00 5.29425e+00 25 2015 12 nan nan 0 2016 1 -3.20956e-01 6.43675e-01 16 2016 2 7.73352e-01 6.89686e-01 117 2016 3 1.83093e+00 7.05658e-01 60 2016 4 nan nan 0 2016 5 3.96393e+00 0.00000e+00 1 2016 6 4.24161e+00 3.09180e-01 5 2016 7 4.24540e+00 5.42460e-01 51 2016 8 4.20459e+00 2.34544e+00 22 2016 9 4.90352e+00 1.28372e+00 46 2016 10 4.36887e+00 2.98361e+00 108 2016 11 4.97548e+00 1.25589e+00 47 2016 12 3.28846e+00 9.37367e-01 47 2017 1 7.52222e-01 1.12108e+00 64 2017 2 1.60143e+00 7.57227e-01 55 2017 3 3.72301e+00 2.87969e-01 2 2017 4 4.78478e+00 6.54050e-01 20 2017 5 5.80373e+00 7.42689e-01 26 2017 6 5.36693e+00 3.22613e+00 12 2017 7 2.92996e+00 9.26532e-01 41 2017 8 3.92856e+00 0.00000e+00 2 2017 9 3.86968e+00 2.52410e-01 19 2017 10 4.18639e+00 1.09599e+00 40 2017 11 3.93020e+00 9.00607e-01 33 2017 12 4.04112e+00 4.31054e-01 21 2018 1 4.05750e+00 4.13435e-01 80 2018 2 1.58033e+00 1.79532e+00 30 2018 3 1.74339e+00 8.21535e-01 22 2018 4 4.77765e+00 8.37660e-01 17 2018 5 7.37944e+00 1.01214e+00 7 2018 6 3.60292e+00 0.00000e+00 1 2018 7 5.62797e+00 1.12566e+00 37 2018 8 5.09754e+00 1.94070e+00 26 2018 9 4.29082e+00 1.67176e+00 29 2018 10 2.95196e+00 1.34424e+00 34 2018 11 -7.37064e-04 3.46680e-01 16 2018 12 7.34763e-01 6.00418e-01 21 2019 1 1.08133e+00 7.81951e-01 45 2019 2 -9.48607e-02 9.64420e-02 3 2019 3 3.57456e+00 7.19976e-01 24 2019 4 5.23750e+00 9.93602e-01 28 2019 5 5.49984e+00 1.33301e+00 63 2019 6 2.92849e+00 4.38786e+00 14 2019 7 6.02564e+00 8.51428e-01 13 2019 8 5.89855e+00 1.19384e+00 16 2019 9 6.45880e+00 1.85434e+00 69 2019 10 4.86099e+00 4.75723e-01 74 2019 11 5.26214e+00 1.02883e+00 80 2019 12 3.95936e+00 1.06086e+00 55 2020 1 2.74890e+00 1.29096e+00 41 2020 2 2.50996e+00 6.86516e-01 65 2020 3 2.98236e+00 0.00000e+00 1 2020 4 5.44157e+00 1.39617e+00 4 2020 5 5.18761e+00 0.00000e+00 1 2020 6 4.72171e+00 1.13196e+00 18 2020 7 3.80367e+00 3.44109e-01 27 2020 8 nan nan 0 2020 9 -1.36884e-01 3.80821e-01 13 2020 10 2.45112e+00 1.19811e+00 38 2020 11 3.24722e+00 1.03576e+00 6 2020 12 3.27223e+00 9.73674e-01 36 2021 1 3.49079e+00 2.84799e-01 26 2021 2 1.92292e+00 8.78749e-01 74 2021 3 1.92183e+00 1.42645e+00 45 2021 4 3.21105e+00 8.28060e-01 34 2021 5 nan nan 0 2021 6 nan nan 0 2021 7 1.26955e+00 6.37394e-01 7 2021 8 4.68617e+00 9.08080e-01 7 2021 9 2.75038e+00 1.66676e+00 29 2021 10 nan nan 0 2021 11 2.79088e+00 3.08879e-01 11 2021 12 3.38541e+00 5.55542e-01 38 2022 1 3.14480e+00 4.79491e-01 61 2022 2 3.11880e+00 5.28399e-01 53 2022 3 4.68141e+00 1.60573e+00 98 2022 4 4.13111e+00 0.00000e+00 1 2022 5 5.12593e+00 7.48364e-01 16 2022 6 7.09788e+00 7.96743e-01 10 2022 7 6.54288e+00 9.67764e-01 35 2022 8 4.83869e+00 1.11780e+00 22 2022 9 4.95290e+00 1.32162e+00 34 2022 10 5.50639e+00 1.43403e+00 191 2022 11 6.19481e+00 1.60556e+00 115 2022 12 5.05277e+00 1.19693e+00 72 2023 1 4.04405e+00 6.63193e-01 118 2023 2 3.51094e+00 7.12960e-01 116 2023 3 4.65029e+00 9.31065e-01 52 2023 4 5.58555e+00 7.19901e-01 24 2023 5 5.91235e+00 9.73738e-01 28 2023 6 5.83674e+00 1.48366e+00 23 2023 7 3.34769e+00 8.71948e-01 34 2023 8 5.52573e+00 1.14869e+00 30 2023 9 5.16492e+00 1.26213e+00 75 2023 10 5.38353e+00 9.17145e-01 161 2023 11 5.54133e+00 2.13573e+00 120 2023 12 4.92918e+00 1.37461e+00 38 2024 1 3.04642e+00 8.58270e-01 53 2024 2 2.62598e+00 1.25945e+00 64 2024 3 2.66339e+00 4.28169e-01 16 2024 4 nan nan 0