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 5.65990e+01 7.00895e+00 87 2002 8 5.34773e+01 2.24011e+01 149 2002 9 5.80203e+01 9.56448e+00 94 2002 10 4.99002e+01 1.62112e+01 351 2002 11 3.92883e+01 1.67089e+01 412 2002 12 4.40563e+01 1.05931e+01 321 2003 1 3.72402e+01 9.24095e+00 537 2003 2 4.47826e+01 1.18192e+01 389 2003 3 6.00221e-01 9.85539e-01 20 2003 4 1.77341e+01 1.06622e+01 106 2003 5 nan nan 0 2003 6 nan nan 0 2003 7 2.38058e+01 1.16198e+01 38 2003 8 2.64855e+01 1.76296e+01 49 2003 9 5.27204e+01 8.87440e+00 120 2003 10 4.61932e+01 1.66017e+01 358 2003 11 4.85181e+01 1.57476e+01 552 2003 12 3.51977e+01 1.25212e+01 455 2004 1 4.88914e+01 1.07359e+01 423 2004 2 4.22906e+01 8.93248e+00 128 2004 3 3.72894e+01 1.45558e+01 477 2004 4 3.08265e+01 1.31934e+01 253 2004 5 5.17901e+01 1.62218e+01 179 2004 6 6.01374e+01 1.21400e+01 174 2004 7 3.50550e+01 2.29720e+01 19 2004 8 5.07966e+01 1.25614e+01 92 2004 9 4.13538e+01 4.76227e-01 3 2004 10 4.56316e+01 1.88684e+01 129 2004 11 3.24800e+01 7.76759e+00 120 2004 12 3.72070e+01 9.26046e+00 218 2005 1 3.79073e+01 1.10107e+01 284 2005 2 3.87577e+01 1.74898e+01 218 2005 3 4.11035e+01 1.04895e+01 267 2005 4 3.50244e+01 1.45834e+01 198 2005 5 2.68916e+01 1.83782e+01 49 2005 6 3.89955e+01 1.48204e+01 136 2005 7 nan nan 0 2005 8 nan nan 0 2005 9 5.64064e+01 1.60376e+01 190 2005 10 4.54053e+01 1.58216e+01 250 2005 11 4.45654e+01 1.16619e+01 399 2005 12 4.29959e+01 1.17944e+01 310 2006 1 3.34325e+01 1.32730e+01 368 2006 2 2.88311e+01 9.93160e+00 434 2006 3 3.69232e+01 1.04524e+01 712 2006 4 4.73208e+01 6.62459e+00 119 2006 5 4.37748e+01 1.84116e+01 126 2006 6 6.44361e+01 7.35750e+00 142 2006 7 5.02376e+01 1.02801e+01 12 2006 8 6.34993e+01 5.74890e+00 46 2006 9 5.48935e+01 1.67337e+01 228 2006 10 4.73870e+01 1.40070e+01 263 2006 11 4.97601e+01 1.19630e+01 372 2006 12 5.56473e+01 1.50213e+01 289 2007 1 4.96695e+01 1.05038e+01 316 2007 2 5.38022e+01 7.78602e+00 511 2007 3 5.72891e+01 8.35185e+00 676 2007 4 5.80799e+01 7.09101e+00 249 2007 5 5.34200e+01 5.34249e+00 44 2007 6 6.07360e+01 5.57986e+00 63 2007 7 6.06906e+01 8.84414e+00 49 2007 8 5.64410e+01 1.10090e+01 108 2007 9 5.61263e+01 9.64611e+00 140 2007 10 4.80048e+01 1.58204e+01 224 2007 11 5.83364e+01 1.01088e+01 566 2007 12 6.20401e+01 8.83391e+00 330 2008 1 5.03009e+01 1.27578e+01 354 2008 2 5.71474e+01 8.92381e+00 602 2008 3 5.50503e+01 4.98486e+00 425 2008 4 5.13163e+01 8.79573e+00 294 2008 5 5.64908e+01 1.42234e+01 185 2008 6 5.41475e+01 1.06235e+01 124 2008 7 4.82074e+01 1.54930e+01 48 2008 8 6.10133e+01 9.56621e+00 93 2008 9 4.72550e+01 2.33446e+01 163 2008 10 4.62662e+01 1.36348e+01 449 2008 11 4.77441e+01 1.33043e+01 358 2008 12 4.86651e+01 1.11129e+01 449 2009 1 4.62734e+01 1.23290e+01 344 2009 2 4.74609e+01 1.01841e+01 620 2009 3 5.26071e+01 9.69784e+00 447 2009 4 5.60141e+01 1.05711e+01 218 2009 5 4.56581e+01 1.27816e+01 104 2009 6 4.77259e+01 1.27073e+01 43 2009 7 5.62494e+01 8.03289e+00 53 2009 8 4.27089e+01 1.70536e+01 132 2009 9 5.21861e+01 1.19690e+01 117 2009 10 3.77123e+01 1.89482e+01 355 2009 11 4.41498e+01 1.56363e+01 253 2009 12 5.30101e+01 7.78491e+00 152 2010 1 3.95815e+01 8.51056e+00 440 2010 2 2.25219e+01 1.73670e+01 285 2010 3 1.43178e+01 9.76925e+00 185 2010 4 3.77196e+01 8.80919e+00 170 2010 5 4.19600e+01 1.27676e+01 117 2010 6 4.27282e+01 1.48582e+01 49 2010 7 3.43515e+01 1.61746e+01 76 2010 8 5.89091e+01 4.62684e+00 15 2010 9 3.28917e+01 1.99742e+01 108 2010 10 4.47343e+01 1.61621e+01 648 2010 11 4.73602e+01 1.71023e+01 606 2010 12 4.65691e+01 1.36916e+01 430 2011 1 4.85045e+01 1.12920e+01 401 2011 2 5.54194e+01 1.00621e+01 356 2011 3 5.20777e+01 8.05601e+00 577 2011 4 5.32151e+01 9.49169e+00 340 2011 5 5.55735e+01 7.82906e+00 154 2011 6 nan nan 0 2011 7 5.02473e+01 1.93987e+01 46 2011 8 5.32868e+01 9.89794e+00 66 2011 9 4.04348e+01 1.37392e+01 223 2011 10 5.44256e+01 1.04398e+01 431 2011 11 5.49434e+01 1.27824e+01 482 2011 12 5.68939e+01 1.08662e+01 569 2012 1 5.08428e+01 1.12711e+01 560 2012 2 4.96003e+01 7.11877e+00 112 2012 3 6.10093e+01 1.14906e+01 614 2012 4 5.18161e+01 1.59891e+01 319 2012 5 5.76285e+01 1.65926e+01 170 2012 6 6.42166e+01 4.63159e+00 57 2012 7 1.83978e+01 8.07848e+00 39 2012 8 1.87180e+01 9.92118e+00 27 2012 9 2.66977e+01 1.55637e+01 96 2012 10 3.58817e+01 1.66252e+01 276 2012 11 3.56281e+01 1.10351e+01 502 2012 12 4.45410e+01 9.80861e+00 200 2013 1 5.01761e+01 1.03983e+01 298 2013 2 4.33853e+01 1.02832e+01 305 2013 3 4.06934e+01 9.67652e+00 377 2013 4 5.32404e+01 9.18460e+00 256 2013 5 4.68063e+01 1.82145e+01 123 2013 6 5.62098e+01 2.29814e+01 133 2013 7 3.27674e+01 1.16769e+01 5 2013 8 3.24914e-04 3.24914e-04 2 2013 9 2.73019e+01 1.32867e+01 186 2013 10 3.95200e+01 1.31642e+01 305 2013 11 4.42528e+01 1.45661e+01 267 2013 12 5.29610e+01 9.67355e+00 464 2014 1 4.48179e+01 1.15449e+01 398 2014 2 4.72285e+01 1.13477e+01 505 2014 3 3.58056e+01 1.26544e+01 450 2014 4 2.66266e+01 1.75588e+01 87 2014 5 8.28175e+01 3.72953e+00 5 2014 6 5.77008e+01 5.38270e+00 26 2014 7 3.63374e+01 1.77269e+01 141 2014 8 4.42174e+01 1.31065e+01 51 2014 9 nan nan 0 2014 10 4.50518e+01 1.51322e+01 677 2014 11 4.82893e+01 9.16434e+00 553 2014 12 5.87110e+01 1.13942e+01 445 2015 1 5.37973e+01 1.48651e+01 402 2015 2 4.46973e+01 7.28124e+00 444 2015 3 4.93823e+01 9.08574e+00 293 2015 4 5.40189e+01 1.47347e+01 67 2015 5 5.40927e+01 1.55978e+01 159 2015 6 4.13570e+01 1.93361e+01 86 2015 7 7.34199e+01 5.41145e+00 60 2015 8 5.08308e+01 1.61185e+01 89 2015 9 3.16787e+01 1.38071e+01 25 2015 10 4.94994e+01 1.62072e+01 284 2015 11 4.07035e+01 1.51468e+01 182 2015 12 5.29910e+01 1.06479e+01 395 2016 1 4.78933e+01 9.50527e+00 514 2016 2 4.08285e+01 1.51933e+01 687 2016 3 4.74731e+01 1.05636e+01 560 2016 4 5.11290e+01 1.76044e+01 275 2016 5 4.72367e+01 1.44516e+01 106 2016 6 5.32094e+01 1.43828e+01 130 2016 7 4.00980e+01 1.71570e+01 73 2016 8 2.63799e+01 1.87254e+01 105 2016 9 4.17910e+01 2.86730e+01 143 2016 10 3.74490e+01 1.42452e+01 183 2016 11 5.11058e+01 1.07009e+01 545 2016 12 4.76856e+01 1.21684e+01 374 2017 1 5.25139e+01 1.34136e+01 392 2017 2 4.90160e+01 1.29007e+01 559 2017 3 5.61997e+01 1.01810e+01 650 2017 4 5.42754e+01 1.58878e+01 269 2017 5 5.22942e+01 1.64084e+01 145 2017 6 7.01062e+01 2.05057e+01 139 2017 7 1.77667e+01 2.12278e+01 23 2017 8 4.67263e+01 1.35719e+01 120 2017 9 3.32875e+01 1.61758e+01 157 2017 10 5.05884e+01 1.40596e+01 357 2017 11 4.93703e+01 1.18404e+01 488 2017 12 5.59089e+01 1.02936e+01 404 2018 1 5.04144e+01 1.08226e+01 453 2018 2 5.28448e+01 6.15908e+00 329 2018 3 4.45382e+01 1.54047e+01 563 2018 4 4.51790e+01 1.34446e+01 266 2018 5 4.65910e+01 1.85490e+01 210 2018 6 5.35541e+01 3.46981e+00 54 2018 7 5.69374e+01 7.09436e+00 63 2018 8 3.16736e+01 1.89889e+01 107 2018 9 3.58591e+01 2.17257e+01 239 2018 10 3.70828e+01 2.08091e+01 351 2018 11 3.62514e+01 1.39103e+01 142 2018 12 4.20468e+01 1.10285e+01 273 2019 1 2.59079e+01 9.91251e+00 174 2019 2 3.25131e+01 1.20505e+01 46 2019 3 2.21954e+01 1.21379e+01 409 2019 4 5.02660e+01 6.57090e+00 213 2019 5 5.00617e+01 1.18937e+01 58 2019 6 1.99001e+01 1.37447e+01 17 2019 7 4.51301e+01 1.98509e+01 81 2019 8 2.94661e+01 2.90917e+01 47 2019 9 4.23006e+01 1.00631e+01 86 2019 10 4.51350e+01 1.87653e+01 365 2019 11 5.52041e+01 2.09290e+01 379 2019 12 5.35815e+01 1.24169e+01 295 2020 1 4.65412e+01 1.01475e+01 287 2020 2 4.48299e+01 1.45966e+01 240 2020 3 5.40343e+01 1.06090e+01 417 2020 4 5.32736e+01 1.18117e+01 217 2020 5 5.75100e+01 1.38787e+01 274 2020 6 4.49295e+01 1.24195e+01 56 2020 7 5.19174e+00 1.87185e+01 14 2020 8 4.31305e+01 1.42249e+01 52 2020 9 2.59634e+01 9.15616e+00 61 2020 10 2.49904e+01 1.65141e+01 152 2020 11 3.39654e+01 1.18491e+01 298 2020 12 4.44132e+01 1.45919e+01 312 2021 1 3.61782e+01 1.59280e+01 275 2021 2 4.00463e+01 1.36010e+01 398 2021 3 4.50284e+01 7.26430e+00 354 2021 4 4.20026e+01 9.35919e+00 205 2021 5 4.68253e+01 9.32540e+00 374 2021 6 5.53184e+01 1.38913e+01 104 2021 7 1.78711e+01 3.77814e+00 5 2021 8 nan nan 0 2021 9 6.00676e+01 2.07209e+01 160 2021 10 3.93430e+01 1.16597e+01 157 2021 11 3.00592e+01 1.28629e+01 524 2021 12 4.52794e+01 1.57430e+01 390 2022 1 3.83077e+01 1.01720e+01 445 2022 2 4.50094e+01 1.24697e+01 538 2022 3 4.44627e+01 2.02939e+01 415 2022 4 4.69162e+01 3.45536e+00 64 2022 5 3.77565e+01 1.24790e+01 218 2022 6 5.43831e+01 1.38779e+01 101 2022 7 6.63022e+01 2.05346e+01 137 2022 8 4.59384e+01 1.49714e+01 97 2022 9 5.21524e+01 7.79272e+00 164 2022 10 4.86753e+01 1.12393e+01 904 2022 11 4.34973e+01 9.82635e+00 212 2022 12 5.08117e+01 1.48638e+01 672 2023 1 5.26283e+01 1.02851e+01 670 2023 2 5.25616e+01 7.56890e+00 464 2023 3 5.66789e+01 9.05522e+00 626 2023 4 6.66000e+01 1.22357e+01 261 2023 5 5.78641e+01 1.19934e+01 224 2023 6 5.43893e+01 1.77228e+01 125 2023 7 2.15697e+01 2.42094e+01 69 2023 8 5.29093e+01 1.07271e+01 145 2023 9 3.73647e+01 1.44445e+01 182 2023 10 4.84923e+01 1.41752e+01 438 2023 11 4.58955e+01 1.07625e+01 403 2023 12 3.77235e+01 1.35407e+01 206 2024 1 3.43523e+01 1.22164e+01 142 2024 2 3.87582e+01 8.73822e+00 507 2024 3 3.85365e+01 7.25542e+00 314 2024 4 nan nan 0