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 1.12924e+01 8.54244e+00 10 2002 8 nan nan 0 2002 9 1.92802e+00 1.40951e+00 16 2002 10 nan nan 0 2002 11 6.41319e-02 6.35757e-02 40 2002 12 4.10482e+00 2.93914e+00 58 2003 1 3.87985e+00 2.82147e+00 48 2003 2 1.03153e+01 4.32914e+00 47 2003 3 2.35061e-02 3.00772e-03 7 2003 4 6.58835e-02 3.19359e-02 13 2003 5 nan nan 0 2003 6 nan nan 0 2003 7 nan nan 0 2003 8 nan nan 0 2003 9 1.79590e-01 1.48388e-01 19 2003 10 7.83151e+00 4.72460e+00 113 2003 11 8.60283e+00 5.88149e+00 114 2003 12 3.03902e+00 1.53777e+00 74 2004 1 6.55358e+00 3.45796e+00 13 2004 2 nan nan 0 2004 3 1.09751e+00 6.08904e-01 29 2004 4 4.52117e+00 4.07791e+00 21 2004 5 2.34589e+00 1.14965e+00 31 2004 6 1.50151e+00 1.73373e-01 9 2004 7 2.88632e-01 3.37366e-02 14 2004 8 8.51444e+00 4.02567e-01 8 2004 9 nan nan 0 2004 10 2.26040e+00 2.57580e+00 28 2004 11 1.06733e+00 1.71915e+00 39 2004 12 3.66469e-01 5.15991e-01 48 2005 1 1.04298e+00 3.51936e-01 25 2005 2 1.57656e+00 1.02749e+00 37 2005 3 2.99467e+00 1.92401e+00 84 2005 4 nan nan 0 2005 5 2.98566e+01 3.48991e+01 7 2005 6 1.62952e+00 4.41454e-01 17 2005 7 1.66667e+00 1.00805e+00 14 2005 8 nan nan 0 2005 9 1.82155e-01 9.25944e-02 14 2005 10 6.93830e+00 5.95836e+00 83 2005 11 1.04380e+01 5.27575e+00 47 2005 12 5.12411e+00 2.57814e+00 48 2006 1 3.62587e+00 4.47323e+00 46 2006 2 2.90980e+00 1.99813e+00 58 2006 3 5.91174e+00 5.44714e+00 33 2006 4 7.34300e+00 2.00800e+00 59 2006 5 1.48749e+00 9.33848e-01 39 2006 6 1.47427e+01 7.62988e+00 25 2006 7 7.70914e+00 2.00121e+00 32 2006 8 nan nan 0 2006 9 8.80862e-01 9.84822e-01 28 2006 10 6.60157e+00 1.91861e+00 97 2006 11 4.06331e+00 3.03050e+00 72 2006 12 9.40944e+00 6.64276e+00 79 2007 1 3.48108e+00 3.05077e+00 48 2007 2 6.29526e+00 3.36183e+00 45 2007 3 6.87731e+00 3.55132e+00 54 2007 4 1.00216e+00 1.60784e+00 19 2007 5 3.03221e+00 7.46595e-01 16 2007 6 nan nan 0 2007 7 nan nan 0 2007 8 1.83521e+00 4.50392e-01 12 2007 9 1.31319e+00 8.66901e-01 13 2007 10 2.71105e+00 2.22318e+00 38 2007 11 6.10951e+00 5.64864e+00 64 2007 12 4.40147e+00 5.71138e+00 41 2008 1 6.88476e-01 7.89708e-01 24 2008 2 3.46771e-02 1.62782e-02 7 2008 3 6.73811e-02 5.64463e-02 21 2008 4 2.36614e-01 1.88319e-01 25 2008 5 1.59250e+00 1.60078e-01 3 2008 6 5.84819e-02 3.18153e-02 4 2008 7 3.93463e+00 1.07889e+00 22 2008 8 2.53114e+00 5.31226e-01 15 2008 9 1.62938e+00 1.02108e+00 15 2008 10 7.34295e+00 3.55340e+00 85 2008 11 1.00367e+01 6.93465e+00 80 2008 12 1.01644e+00 4.59811e+00 32 2009 1 9.66977e-01 9.39759e-01 41 2009 2 4.15628e+00 5.09528e-01 33 2009 3 1.07819e+01 5.88033e+00 32 2009 4 nan nan 0 2009 5 nan nan 0 2009 6 nan nan 0 2009 7 nan nan 0 2009 8 nan nan 0 2009 9 2.77943e-02 1.69675e-02 16 2009 10 1.41202e+00 1.68758e+00 19 2009 11 8.97817e-01 9.00629e-01 39 2009 12 1.83268e-01 1.27385e-02 8 2010 1 5.07683e-01 3.48710e-01 41 2010 2 4.63871e-01 5.62416e-01 38 2010 3 2.62610e-01 6.23614e-02 33 2010 4 1.56993e+00 1.34008e+00 30 2010 5 9.75628e-04 0.00000e+00 1 2010 6 1.06180e+00 6.03916e-01 20 2010 7 2.55935e+00 1.06683e+00 26 2010 8 nan nan 0 2010 9 4.10578e+00 2.91198e+00 47 2010 10 5.72479e+00 3.28376e+00 101 2010 11 7.71456e+00 4.71497e+00 79 2010 12 6.39944e+00 4.51131e+00 118 2011 1 4.81673e+00 3.57827e+00 91 2011 2 1.00480e+00 9.26534e-01 21 2011 3 1.80271e-01 1.03986e-01 15 2011 4 2.57854e+00 1.27094e-01 6 2011 5 3.04221e+00 5.55335e+00 24 2011 6 3.91039e+00 2.65995e-01 3 2011 7 nan nan 0 2011 8 1.17234e+00 8.70740e-01 15 2011 9 3.69653e+00 1.24896e+00 15 2011 10 7.11742e+00 7.71004e+00 59 2011 11 8.69297e+00 1.92981e+00 74 2011 12 2.65739e+00 2.37553e+00 41 2012 1 7.85306e+00 5.53234e+00 49 2012 2 5.76687e-01 3.25452e-02 15 2012 3 1.04503e+00 1.10054e+00 32 2012 4 2.40478e+00 2.92729e+00 25 2012 5 1.06592e+01 1.18556e+00 16 2012 6 nan nan 0 2012 7 2.06678e+00 1.24307e+00 14 2012 8 nan nan 0 2012 9 7.93716e+00 1.70766e+00 3 2012 10 1.93916e+00 8.26479e-01 37 2012 11 1.27330e+01 3.87787e+00 95 2012 12 1.74978e+01 1.39216e+01 56 2013 1 3.46312e+00 2.87670e+00 47 2013 2 3.61078e+00 2.13797e+00 35 2013 3 5.76884e-01 1.27702e+00 60 2013 4 2.15726e+00 1.04845e-01 15 2013 5 3.37872e-01 7.93435e-02 16 2013 6 nan nan 0 2013 7 nan nan 0 2013 8 2.96382e+00 3.07735e+00 35 2013 9 9.51332e-03 7.67200e-03 8 2013 10 3.99609e+00 3.56783e+00 67 2013 11 1.16267e+01 5.70333e+00 56 2013 12 6.26620e+00 3.86686e+00 50 2014 1 1.20105e+00 1.61518e+00 35 2014 2 5.40273e+00 5.26016e+00 37 2014 3 2.36103e-01 2.47793e-01 34 2014 4 nan nan 0 2014 5 nan nan 0 2014 6 nan nan 0 2014 7 1.17885e+01 9.68438e+00 10 2014 8 1.60114e+00 7.70615e-01 14 2014 9 9.26719e+00 1.03645e+01 30 2014 10 5.29455e+00 4.36599e+00 118 2014 11 9.23593e+00 3.79458e+00 105 2014 12 1.51730e+01 5.85518e+00 82 2015 1 3.66923e+00 3.82554e+00 51 2015 2 5.42026e+00 6.59631e+00 68 2015 3 1.21422e+00 5.65600e-01 16 2015 4 nan nan 0 2015 5 3.38175e+00 3.97039e+00 8 2015 6 3.30799e+00 3.32818e-01 16 2015 7 nan nan 0 2015 8 3.09473e+00 2.02990e+00 23 2015 9 nan nan 0 2015 10 9.02035e+00 4.13426e+00 57 2015 11 nan nan 0 2015 12 4.65347e+00 1.25331e+00 16 2016 1 3.15228e-01 3.27399e-01 32 2016 2 9.41721e-02 9.05964e-02 41 2016 3 6.77775e-02 3.10486e-02 21 2016 4 1.25029e-02 2.67495e-03 12 2016 5 5.93605e-01 1.71517e-01 14 2016 6 7.39408e+00 7.76124e+00 31 2016 7 6.31581e+00 2.12051e+00 32 2016 8 1.44260e+00 6.55147e-01 11 2016 9 2.57391e+00 2.40765e+00 66 2016 10 6.75182e+00 5.16157e+00 57 2016 11 1.47566e+01 8.04119e+00 97 2016 12 3.74626e+00 2.01736e+00 47 2017 1 2.28201e-02 6.91210e-03 8 2017 2 2.14840e-01 1.64000e-01 39 2017 3 3.99261e+00 3.69256e+00 30 2017 4 2.12398e+00 1.53028e+00 21 2017 5 1.96752e+00 3.37138e+00 43 2017 6 nan nan 0 2017 7 4.04551e-01 1.19387e+00 11 2017 8 1.92913e-01 8.56921e-02 16 2017 9 3.39035e+00 3.75142e+00 42 2017 10 1.67222e+00 4.03708e+00 39 2017 11 6.49135e+00 7.05629e+00 77 2017 12 8.09055e+00 1.85823e+00 48 2018 1 7.35431e+00 5.37948e+00 93 2018 2 9.70725e-01 1.21007e-01 9 2018 3 1.56970e+00 8.64282e-01 39 2018 4 3.44922e+00 1.69160e+00 64 2018 5 6.34874e+00 4.03003e-01 16 2018 6 nan nan 0 2018 7 nan nan 0 2018 8 1.05983e-01 8.36013e-02 13 2018 9 1.60361e+00 3.04375e+00 34 2018 10 4.27656e+00 2.92802e+00 63 2018 11 3.82840e-01 4.41507e-02 16 2018 12 1.63566e-01 8.29502e-02 38 2019 1 4.33344e-02 9.66445e-03 11 2019 2 4.75304e+00 2.63830e+00 24 2019 3 4.02015e+00 3.06247e+00 56 2019 4 4.52652e-01 4.35185e-01 13 2019 5 5.85887e-01 4.46592e-01 40 2019 6 2.20594e+00 2.94232e-01 5 2019 7 nan nan 0 2019 8 6.63897e+00 6.44796e+00 8 2019 9 7.48544e+00 2.62251e+00 33 2019 10 9.82129e+00 3.93084e+00 39 2019 11 7.34099e+00 5.59856e+00 52 2019 12 6.19832e+00 7.62546e+00 24 2020 1 7.21699e-01 4.16731e-01 38 2020 2 9.21926e-03 1.47520e-03 4 2020 3 3.65378e-01 8.61641e-02 16 2020 4 2.64972e-01 2.53229e-01 27 2020 5 nan nan 0 2020 6 6.75620e-01 5.97311e-01 25 2020 7 1.12874e+00 2.62808e-01 9 2020 8 4.39719e+00 4.13433e+00 9 2020 9 nan nan 0 2020 10 2.48003e-01 1.32455e-02 13 2020 11 5.81225e+00 2.88841e+00 53 2020 12 2.78292e+00 1.85197e+00 68 2021 1 1.11455e+00 4.24762e-01 32 2021 2 1.78284e+00 1.40024e+00 46 2021 3 1.56082e+00 1.37156e+00 63 2021 4 1.61663e-02 0.00000e+00 1 2021 5 3.62064e+00 1.91472e-01 9 2021 6 nan nan 0 2021 7 nan nan 0 2021 8 2.49859e+00 5.72940e-01 16 2021 9 2.13016e-02 8.81382e-04 2 2021 10 nan nan 0 2021 11 7.66019e+00 3.91520e+00 66 2021 12 8.85231e+00 2.76750e+00 16 2022 1 2.07010e+00 8.95755e-01 35 2022 2 2.95909e+00 3.56569e+00 48 2022 3 7.69490e+00 5.51582e+00 68 2022 4 nan nan 0 2022 5 3.63633e-01 1.99965e-01 21 2022 6 nan nan 0 2022 7 7.56017e-01 3.80430e-01 16 2022 8 3.76095e-02 1.35613e-02 3 2022 9 2.57546e+00 5.24886e-01 14 2022 10 4.62615e+00 2.39919e+00 151 2022 11 5.60934e+00 4.45592e+00 55 2022 12 5.91930e-01 4.30383e-01 63 2023 1 9.49115e-01 8.64498e-01 87 2023 2 4.40449e-01 4.61066e-01 38 2023 3 3.61010e+00 2.34960e+00 27 2023 4 6.31529e-01 4.84049e-01 29 2023 5 2.61375e+00 2.13527e+00 21 2023 6 4.00290e+01 1.40033e+01 12 2023 7 7.39629e-01 1.61770e+00 36 2023 8 1.97408e+00 1.96268e+00 12 2023 9 5.26146e+00 2.81146e+00 78 2023 10 1.33453e+01 7.37859e+00 102 2023 11 1.31652e+01 6.52331e+00 112 2023 12 7.60220e+00 5.26765e+00 59 2024 1 2.53155e+00 1.17696e+00 36 2024 2 2.98510e-01 1.24428e-01 39 2024 3 1.79166e-01 1.58197e-01 32 2024 4 8.50559e-02 7.25672e-02 11