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 7.40504e+00 2.73530e+00 81 2002 8 8.60741e+00 6.47991e+00 141 2002 9 9.15217e+00 4.80963e+00 503 2002 10 6.62693e+00 5.41857e+00 243 2002 11 1.67612e+01 5.85622e+00 43 2002 12 3.20944e+00 2.05739e+00 54 2003 1 nan nan 0 2003 2 nan nan 0 2003 3 nan nan 0 2003 4 nan nan 0 2003 5 nan nan 0 2003 6 1.04588e+01 9.11347e+00 89 2003 7 5.46364e+00 7.25538e+00 125 2003 8 6.62915e+00 8.41166e+00 99 2003 9 2.64027e+00 1.52779e+00 13 2003 10 2.29679e+00 4.40321e+00 296 2003 11 7.63830e+00 7.15514e+00 116 2003 12 2.00113e+00 1.37073e+00 50 2004 1 nan nan 0 2004 2 nan nan 0 2004 3 6.19140e+00 5.68523e+00 101 2004 4 2.75887e+01 1.75745e+01 79 2004 5 5.02856e+00 4.60818e+00 120 2004 6 3.48672e+00 1.57240e+00 33 2004 7 1.04221e+01 8.01798e+00 59 2004 8 9.92219e+00 3.48768e+00 39 2004 9 1.30753e+00 1.00466e+00 67 2004 10 9.68475e-01 7.35463e-01 141 2004 11 2.31023e-01 1.42963e-01 22 2004 12 5.26676e-01 2.32054e-01 52 2005 1 nan nan 0 2005 2 nan nan 0 2005 3 2.42099e+01 8.82551e+00 84 2005 4 1.45909e+01 1.22559e+01 150 2005 5 2.10723e+01 6.05605e+00 167 2005 6 1.43926e+01 6.50173e+00 95 2005 7 9.86615e+00 5.39088e+00 281 2005 8 9.75090e+00 5.33314e+00 297 2005 9 2.39499e+00 2.61139e+00 476 2005 10 5.73226e+00 5.38556e+00 343 2005 11 8.45895e+00 8.14011e+00 220 2005 12 nan nan 0 2006 1 4.21170e+00 3.15281e+00 17 2006 2 3.23058e-01 2.24554e-01 25 2006 3 8.92792e+00 4.83718e+00 116 2006 4 9.84772e+00 6.36384e+00 53 2006 5 1.25727e+01 8.92670e+00 100 2006 6 1.10123e+01 6.61756e+00 232 2006 7 1.64183e+01 9.69854e+00 134 2006 8 1.10142e+01 6.72621e+00 104 2006 9 4.61936e+00 3.63912e+00 81 2006 10 1.27093e+00 1.34449e+00 27 2006 11 1.28847e+01 9.25488e+00 40 2006 12 1.28307e+00 1.13402e+00 18 2007 1 nan nan 0 2007 2 nan nan 0 2007 3 2.05769e+01 0.00000e+00 1 2007 4 1.36002e+01 8.14692e+00 189 2007 5 1.37176e+01 7.53964e+00 107 2007 6 1.31127e+01 6.69297e+00 341 2007 7 1.61457e+01 7.27525e+00 330 2007 8 1.13619e+01 5.51472e+00 78 2007 9 2.22616e+00 2.91428e+00 272 2007 10 3.13916e+00 2.65061e+00 238 2007 11 4.68348e+00 4.29362e+00 112 2007 12 4.59539e+00 4.25653e+00 28 2008 1 nan nan 0 2008 2 nan nan 0 2008 3 nan nan 0 2008 4 nan nan 0 2008 5 nan nan 0 2008 6 9.01284e+00 4.64654e+00 24 2008 7 1.50016e+01 9.18193e+00 100 2008 8 2.42962e+01 1.25074e+01 67 2008 9 2.01497e+00 1.03599e+00 6 2008 10 4.52760e+00 4.47849e+00 379 2008 11 1.09477e+01 5.86839e+00 98 2008 12 nan nan 0 2009 1 nan nan 0 2009 2 nan nan 0 2009 3 1.90713e-01 1.31109e-01 3 2009 4 5.73624e+00 3.60726e+00 40 2009 5 1.46210e+01 4.68393e+00 11 2009 6 1.49932e+01 9.33444e+00 116 2009 7 3.19471e+01 9.59273e+00 101 2009 8 1.15673e+01 7.98188e+00 191 2009 9 4.60599e+00 2.41481e+00 115 2009 10 8.38186e-01 1.02307e+00 66 2009 11 2.62005e+00 1.92172e+00 169 2009 12 5.17462e-01 1.87769e-01 57 2010 1 nan nan 0 2010 2 nan nan 0 2010 3 nan nan 0 2010 4 nan nan 0 2010 5 3.74434e+00 4.66019e+00 79 2010 6 7.66653e+00 5.59068e+00 25 2010 7 1.72221e+01 6.16879e+00 163 2010 8 7.37580e+00 4.63622e+00 178 2010 9 5.39867e+00 1.21712e+00 12 2010 10 8.31962e+00 6.91545e+00 270 2010 11 1.18959e+01 9.66229e+00 234 2010 12 nan nan 0 2011 1 1.51526e+01 3.07683e+00 9 2011 2 nan nan 0 2011 3 1.00197e+00 0.00000e+00 1 2011 4 1.67999e+01 0.00000e+00 2 2011 5 1.13745e+01 0.00000e+00 1 2011 6 1.95261e+00 7.97047e-01 47 2011 7 2.95885e+00 1.57860e+00 276 2011 8 nan nan 0 2011 9 nan nan 0 2011 10 2.12440e+00 1.06638e+00 18 2011 11 5.39016e-01 6.74153e-01 30 2011 12 nan nan 0 2012 1 6.12229e-01 3.14204e-01 12 2012 2 1.27226e+00 5.27027e-01 39 2012 3 nan nan 0 2012 4 1.14758e+01 7.67307e+00 34 2012 5 1.09752e+01 6.01839e+00 301 2012 6 6.09562e+00 5.12542e+00 183 2012 7 4.39901e+00 1.80177e+00 151 2012 8 1.36525e+01 6.13388e+00 130 2012 9 8.10406e+00 5.25721e+00 201 2012 10 7.72717e+00 5.96404e+00 303 2012 11 2.44992e+01 1.35187e+01 283 2012 12 1.31646e+01 7.74840e+00 73 2013 1 3.55342e+00 2.31864e+00 24 2013 2 2.01770e+01 5.05039e+00 14 2013 3 2.52355e+01 2.07913e+01 96 2013 4 1.25000e+01 7.03242e+00 126 2013 5 2.43754e+00 3.11272e-01 4 2013 6 1.40251e+01 1.05497e+01 125 2013 7 6.64692e+00 4.40817e+00 79 2013 8 5.08104e+00 1.56491e+00 16 2013 9 nan nan 0 2013 10 1.21741e+00 7.42859e-01 101 2013 11 2.79068e+00 1.71414e+00 65 2013 12 nan nan 0 2014 1 nan nan 0 2014 2 nan nan 0 2014 3 nan nan 0 2014 4 nan nan 0 2014 5 1.30349e+01 1.35181e+01 160 2014 6 9.49489e+00 5.63242e+00 137 2014 7 2.76182e+01 7.49177e+00 55 2014 8 3.83827e+00 4.06891e+00 27 2014 9 3.44900e+00 2.10306e+00 188 2014 10 4.28577e+00 3.39569e+00 101 2014 11 2.90757e+00 1.56408e+00 32 2014 12 1.61194e+01 8.06516e+00 58 2015 1 nan nan 0 2015 2 nan nan 0 2015 3 4.22805e+01 6.96525e+00 34 2015 4 3.89252e+01 1.20401e+01 43 2015 5 1.66315e+01 1.14909e+01 116 2015 6 7.08302e-01 2.36643e-01 14 2015 7 7.32360e-01 5.09263e-01 88 2015 8 nan nan 0 2015 9 1.46762e+00 7.57159e-01 159 2015 10 6.65825e+00 8.06752e+00 150 2015 11 9.16679e+00 7.96978e+00 364 2015 12 nan nan 0 2016 1 nan nan 0 2016 2 1.05761e+00 9.70520e-01 45 2016 3 6.05273e+00 6.63412e+00 23 2016 4 nan nan 0 2016 5 7.23035e+00 5.44000e+00 66 2016 6 1.94815e+01 9.18599e+00 200 2016 7 2.00999e+01 5.35051e+00 72 2016 8 4.44987e+00 3.65251e+00 203 2016 9 9.13568e-01 9.35198e-01 250 2016 10 5.02611e-01 6.96006e-01 249 2016 11 4.39216e+00 3.71597e+00 342 2016 12 nan nan 0 2017 1 4.61380e+00 1.83050e+00 29 2017 2 7.15811e+00 5.53763e+00 60 2017 3 4.75869e+00 3.95294e+00 72 2017 4 5.74264e+00 2.56731e+00 18 2017 5 nan nan 0 2017 6 1.23839e+01 1.48693e+01 43 2017 7 1.90599e+01 1.11048e+01 65 2017 8 1.11351e+01 4.28618e+00 32 2017 9 2.60855e+00 1.35481e+00 51 2017 10 4.77248e+00 4.32502e+00 120 2017 11 2.53620e+00 1.90328e+00 59 2017 12 3.54261e+00 2.18980e+00 9 2018 1 nan nan 0 2018 2 nan nan 0 2018 3 3.97528e+00 2.03590e+00 132 2018 4 5.14785e+00 4.67590e+00 13 2018 5 5.21080e+00 3.15146e+00 82 2018 6 5.37667e+00 5.36050e+00 109 2018 7 6.06844e+00 3.27545e+00 56 2018 8 6.55025e+00 2.73275e+00 122 2018 9 4.64723e+00 3.76155e+00 199 2018 10 1.41727e+01 8.69313e+00 219 2018 11 5.51470e-01 4.06599e-01 6 2018 12 7.44936e+00 3.90350e+00 74 2019 1 2.57914e+00 2.85960e+00 57 2019 2 nan nan 0 2019 3 2.06801e+01 8.65518e+00 31 2019 4 2.42172e+01 1.09198e+01 37 2019 5 nan nan 0 2019 6 3.76798e+00 2.64248e+00 3 2019 7 5.62035e+00 3.28123e+00 38 2019 8 3.41028e+00 1.86669e+00 7 2019 9 1.08171e+00 1.21185e+00 72 2019 10 3.66343e+00 4.62834e+00 283 2019 11 4.07511e+00 1.05183e+00 15 2019 12 1.50652e+00 1.68010e+00 21 2020 1 1.71573e+00 8.95656e-01 40 2020 2 8.34052e+00 7.65369e+00 181 2020 3 1.89408e+01 1.01875e+01 98 2020 4 nan nan 0 2020 5 1.51762e+01 9.42982e+00 25 2020 6 1.15191e+01 2.26983e+00 55 2020 7 1.92314e+01 9.78800e+00 391 2020 8 1.30192e+01 7.19190e+00 142 2020 9 5.15363e+00 3.44321e+00 183 2020 10 8.69636e+00 5.76941e+00 211 2020 11 1.19833e+01 9.86435e+00 432 2020 12 8.75031e+00 8.38538e+00 97 2021 1 7.62874e+00 3.53869e+00 30 2021 2 2.04604e+01 1.81427e+00 10 2021 3 3.37124e+01 1.79829e+01 249 2021 4 2.04500e+01 1.27275e+01 181 2021 5 1.77256e+01 1.18436e+01 45 2021 6 9.80727e+00 3.29460e+00 70 2021 7 2.39630e+01 3.64951e+00 3 2021 8 1.12164e+01 9.76067e+00 197 2021 9 1.85225e+00 1.09519e+00 178 2021 10 3.35685e+00 1.85775e+00 162 2021 11 2.64958e+00 4.10898e+00 295 2021 12 nan nan 0 2022 1 nan nan 0 2022 2 nan nan 0 2022 3 1.09779e+01 4.98840e+00 40 2022 4 7.53870e+00 5.27816e+00 44 2022 5 5.52745e+00 3.75229e+00 35 2022 6 2.13824e+01 1.05953e+01 92 2022 7 1.04518e+01 0.00000e+00 4 2022 8 5.94041e+00 1.76245e+00 9 2022 9 1.68953e+00 1.02684e+00 92 2022 10 5.80392e+00 4.84967e+00 179 2022 11 6.44847e+00 6.50043e+00 517 2022 12 3.36303e-01 1.47216e-01 64 2023 1 6.84977e+00 6.73907e+00 131 2023 2 4.90278e+00 4.29459e+00 45 2023 3 1.47447e+01 8.28356e+00 43 2023 4 7.12708e-01 5.04017e-01 13 2023 5 6.80852e+00 7.80913e+00 164 2023 6 8.46149e+00 5.27216e+00 132 2023 7 7.40696e+00 3.53614e+00 163 2023 8 8.09144e+00 7.55174e+00 228 2023 9 6.39254e+00 6.72925e+00 609 2023 10 1.12703e+01 8.89475e+00 313 2023 11 1.28875e+01 1.04139e+01 457 2023 12 7.50042e+00 4.05540e+00 111 2024 1 nan nan 0 2024 2 4.90939e+00 7.08114e+00 214 2024 3 1.30573e+01 1.83900e+01 161 2024 4 nan nan 0