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 1.77769e+01 7.14477e+00 256 2002 8 2.45826e+01 1.08395e+01 461 2002 9 1.16703e+01 5.92085e+00 359 2002 10 1.27512e+01 7.45157e+00 781 2002 11 9.68739e+00 6.08655e+00 871 2002 12 1.01117e+01 4.32479e+00 635 2003 1 6.78634e+00 4.70957e+00 1033 2003 2 1.14600e+01 5.40230e+00 512 2003 3 4.36257e-07 1.35454e-06 50 2003 4 2.01968e+01 2.55484e+01 13 2003 5 1.04666e+00 6.16358e-01 110 2003 6 2.87890e+01 2.18659e+01 199 2003 7 7.67709e+00 7.91128e+00 165 2003 8 1.50841e+01 1.84628e+01 320 2003 9 1.68699e+01 1.56962e+01 535 2003 10 1.61852e+01 1.39628e+01 843 2003 11 1.10740e+01 7.30525e+00 1076 2003 12 9.01189e+00 6.97520e+00 896 2004 1 1.15298e+01 6.42718e+00 789 2004 2 1.13345e+01 5.41785e+00 384 2004 3 4.88226e+00 4.73704e+00 591 2004 4 1.01868e+01 5.20491e+00 413 2004 5 1.47896e+01 6.78895e+00 561 2004 6 2.02771e+01 5.52656e+00 326 2004 7 1.34506e+01 8.77832e+00 408 2004 8 1.84310e+01 1.43066e+01 512 2004 9 4.05961e+00 4.08082e+00 213 2004 10 1.21068e+01 1.56281e+01 172 2004 11 2.27071e-01 5.79770e-01 346 2004 12 1.10869e+00 1.82103e+00 565 2005 1 3.67255e+00 4.00582e+00 843 2005 2 1.95091e+00 1.96707e+00 512 2005 3 4.83489e+00 5.00299e+00 562 2005 4 8.57104e+00 1.38936e+01 477 2005 5 1.80048e+01 1.66950e+01 419 2005 6 9.37689e+00 1.08756e+01 399 2005 7 3.79688e+00 8.02925e+00 348 2005 8 5.49375e+00 8.95301e+00 237 2005 9 8.31473e+00 7.03855e+00 435 2005 10 1.16700e+01 8.69564e+00 896 2005 11 1.17974e+01 5.55925e+00 965 2005 12 9.24586e+00 5.30420e+00 1088 2006 1 3.64141e+00 3.90173e+00 723 2006 2 1.61434e+00 2.84401e+00 768 2006 3 4.23223e+00 7.30928e+00 899 2006 4 4.94018e+00 3.25164e+00 202 2006 5 1.16766e+01 6.52808e+00 525 2006 6 1.69707e+01 5.73436e+00 365 2006 7 8.09759e+00 3.66320e+00 320 2006 8 1.57487e+01 1.07661e+01 243 2006 9 1.51854e+01 2.97594e+00 576 2006 10 1.71124e+01 8.67713e+00 897 2006 11 1.57845e+01 8.90942e+00 849 2006 12 1.92032e+01 8.75406e+00 512 2007 1 1.76913e+01 4.24468e+00 447 2007 2 1.99724e+01 9.33176e+00 710 2007 3 1.59809e+01 7.03040e+00 959 2007 4 1.49932e+01 5.79356e+00 599 2007 5 2.00454e+01 3.55847e+00 185 2007 6 1.82780e+01 3.59832e+00 380 2007 7 1.42497e+01 4.05292e+00 512 2007 8 1.20981e+01 2.48660e+00 411 2007 9 1.30541e+01 3.48725e+00 543 2007 10 2.14268e+01 5.83277e+00 634 2007 11 2.38094e+01 6.98033e+00 1204 2007 12 2.43189e+01 1.08996e+01 796 2008 1 1.92196e+01 1.09662e+01 639 2008 2 1.54741e+01 6.44166e+00 908 2008 3 8.69678e+00 9.16757e+00 813 2008 4 1.70629e+01 2.25583e+01 575 2008 5 7.42003e+00 8.78402e+00 461 2008 6 1.02685e+01 4.41286e+00 214 2008 7 1.61956e+01 8.85533e+00 486 2008 8 1.40975e+01 4.24978e+00 256 2008 9 9.15112e+00 9.99358e+00 357 2008 10 1.03195e+01 7.04734e+00 874 2008 11 1.25069e+01 5.59782e+00 986 2008 12 5.37072e+00 4.38268e+00 910 2009 1 1.04912e+01 1.14653e+01 764 2009 2 8.20279e+00 4.77418e+00 1024 2009 3 1.29613e+01 6.63564e+00 958 2009 4 1.04612e+01 7.16060e+00 555 2009 5 9.88879e+00 1.00757e+01 153 2009 6 1.47939e+01 1.46613e+01 249 2009 7 1.58758e+01 1.45723e+01 255 2009 8 1.62430e+01 1.44846e+01 603 2009 9 1.74517e+01 1.28082e+01 492 2009 10 1.63916e+01 4.51763e+00 826 2009 11 1.15408e+01 6.79300e+00 653 2009 12 1.35360e+01 9.14083e+00 192 2010 1 7.13980e+00 4.78439e+00 832 2010 2 2.30967e+00 3.70359e+00 753 2010 3 5.98121e-01 7.28597e-01 832 2010 4 4.29158e+00 6.60701e+00 233 2010 5 9.75888e+00 1.18840e+01 514 2010 6 1.06887e+01 5.22236e+00 572 2010 7 1.07780e+01 1.04021e+01 477 2010 8 1.16942e+01 7.34813e+00 324 2010 9 1.65280e+01 1.06875e+01 530 2010 10 1.27438e+01 6.70852e+00 1482 2010 11 1.47679e+01 4.68427e+00 1067 2010 12 1.65594e+01 1.02817e+01 1024 2011 1 2.19232e+01 8.82419e+00 698 2011 2 1.77243e+01 4.87975e+00 768 2011 3 1.24894e+01 5.76000e+00 828 2011 4 1.36968e+01 6.89917e+00 867 2011 5 1.46033e+01 7.57547e+00 707 2011 6 1.27844e+01 4.67422e+00 256 2011 7 1.34949e+01 6.80097e+00 433 2011 8 1.99085e+01 9.20148e+00 563 2011 9 1.79136e+01 9.61522e+00 798 2011 10 1.86744e+01 1.02130e+01 954 2011 11 2.61997e+01 8.64572e+00 1136 2011 12 2.72401e+01 7.78998e+00 1010 2012 1 2.13994e+01 1.01450e+01 1078 2012 2 1.60875e+01 8.54847e+00 254 2012 3 1.91765e+01 9.01038e+00 890 2012 4 2.16766e+01 8.10674e+00 905 2012 5 2.51656e+01 6.75122e+00 471 2012 6 1.29050e+01 2.68852e+00 192 2012 7 6.93393e+00 1.10706e+01 201 2012 8 7.41546e+00 1.28677e+01 299 2012 9 2.05155e+00 3.31352e+00 382 2012 10 4.17955e+00 1.04355e+01 707 2012 11 7.03484e+00 4.98624e+00 1017 2012 12 6.31546e+00 4.42979e+00 642 2013 1 1.15491e+01 6.39736e+00 670 2013 2 1.45022e+01 7.61369e+00 704 2013 3 9.74859e+00 6.99460e+00 721 2013 4 1.34468e+01 1.87123e+01 385 2013 5 6.78895e+00 6.85020e+00 449 2013 6 1.46420e+01 2.09711e+01 519 2013 7 5.81711e+00 5.14341e+00 92 2013 8 1.37269e+01 1.46128e+01 69 2013 9 7.12105e+00 1.07885e+01 707 2013 10 1.15421e+01 1.64474e+01 941 2013 11 9.51687e+00 5.60512e+00 456 2013 12 1.11827e+01 8.33090e+00 664 2014 1 1.20150e+01 7.29943e+00 472 2014 2 7.35873e+00 5.25163e+00 646 2014 3 2.44059e+00 2.21713e+00 564 2014 4 2.19104e-01 4.15486e-01 66 2014 5 2.80560e+00 1.18206e+01 121 2014 6 1.62895e+01 1.86848e+01 266 2014 7 5.84845e+00 4.96352e+00 529 2014 8 1.26544e+01 6.36552e+00 383 2014 9 1.98333e+01 1.47004e+01 428 2014 10 1.26169e+01 1.37503e+01 1404 2014 11 1.10606e+01 5.43294e+00 1033 2014 12 1.93082e+01 1.01869e+01 588 2015 1 1.45684e+01 1.07027e+01 812 2015 2 1.50034e+01 5.89968e+00 768 2015 3 5.11818e+00 5.68468e+00 329 2015 4 1.80135e+01 1.30387e+01 128 2015 5 9.81156e+00 7.51216e+00 524 2015 6 1.51454e+01 1.22354e+01 491 2015 7 1.72162e+01 1.53773e+01 198 2015 8 6.21788e+00 4.66407e+00 458 2015 9 7.74409e+00 7.45676e+00 359 2015 10 8.93013e+00 4.44572e+00 659 2015 11 8.37732e+00 8.32739e+00 674 2015 12 1.35862e+01 7.19075e+00 570 2016 1 8.51015e+00 5.08641e+00 637 2016 2 9.11917e+00 7.08719e+00 1201 2016 3 6.05524e+00 4.48890e+00 765 2016 4 1.10085e+01 8.59760e+00 384 2016 5 8.18417e+00 6.61514e+00 492 2016 6 9.30458e+00 6.68353e+00 631 2016 7 9.14335e+00 6.62750e+00 859 2016 8 7.94562e+00 5.43781e+00 651 2016 9 6.18464e+00 6.01999e+00 768 2016 10 9.81644e+00 7.46295e+00 838 2016 11 2.11693e+01 5.92496e+00 897 2016 12 1.76382e+01 6.04894e+00 828 2017 1 1.37737e+01 1.02749e+01 587 2017 2 1.22665e+01 6.40791e+00 1086 2017 3 1.54910e+01 1.00009e+01 880 2017 4 1.20920e+01 5.84524e+00 760 2017 5 1.30277e+01 5.57975e+00 512 2017 6 2.03531e+01 9.43320e+00 265 2017 7 1.51124e+01 1.06211e+01 148 2017 8 1.26056e+01 1.28275e+01 440 2017 9 8.79276e+00 7.70203e+00 530 2017 10 5.51209e-01 8.72098e-01 441 2017 11 1.17709e+01 8.34079e+00 1219 2017 12 1.58586e+01 6.83385e+00 695 2018 1 1.43630e+01 4.35617e+00 640 2018 2 1.35045e+01 8.33171e+00 640 2018 3 1.37180e+01 6.58653e+00 832 2018 4 9.82821e+00 8.99070e+00 565 2018 5 1.35828e+01 9.27198e+00 480 2018 6 1.12263e+01 5.71473e+00 362 2018 7 2.68208e+01 1.73877e+01 193 2018 8 7.52359e+00 1.35936e+01 144 2018 9 1.93082e+01 1.64798e+01 666 2018 10 9.18235e+00 7.93113e+00 1020 2018 11 3.35736e+00 2.50704e+00 253 2018 12 2.80295e+00 3.78756e+00 726 2019 1 8.35981e-01 1.41597e+00 724 2019 2 4.17329e+00 6.58495e+00 232 2019 3 2.50879e+00 3.11192e+00 666 2019 4 2.38155e+00 1.63165e+00 378 2019 5 1.07770e+01 8.60852e+00 825 2019 6 1.49165e+01 8.25067e+00 221 2019 7 1.42643e+01 1.03516e+01 260 2019 8 9.41364e+00 9.24048e+00 424 2019 9 1.18918e+01 8.03111e+00 633 2019 10 7.80745e+00 6.37341e+00 559 2019 11 1.12007e+01 6.28962e+00 832 2019 12 1.29650e+01 6.97230e+00 591 2020 1 1.30281e+01 6.45513e+00 702 2020 2 1.05445e+01 7.36542e+00 623 2020 3 1.11693e+01 1.21651e+01 655 2020 4 7.09683e+00 6.05784e+00 541 2020 5 9.16072e+00 6.74132e+00 686 2020 6 7.07912e+00 5.60275e+00 632 2020 7 5.69367e+00 6.69370e+00 230 2020 8 1.05706e+01 5.30337e+00 168 2020 9 2.03669e+00 2.43957e+00 370 2020 10 4.82854e+00 6.83072e+00 574 2020 11 3.07572e+00 3.79274e+00 808 2020 12 8.69615e+00 5.62788e+00 666 2021 1 4.59864e+00 4.27066e+00 558 2021 2 2.26120e+00 2.72172e+00 534 2021 3 2.22898e+00 3.27301e+00 249 2021 4 1.10030e+00 7.49554e-01 176 2021 5 8.00496e+00 1.28529e+01 521 2021 6 1.20694e+01 2.60660e+00 128 2021 7 1.21503e+01 3.33009e+00 68 2021 8 1.71562e+01 2.71926e+01 130 2021 9 1.83279e+01 2.44387e+01 462 2021 10 1.07044e+01 1.23875e+01 459 2021 11 4.12492e+00 6.46456e+00 871 2021 12 7.54934e+00 1.17220e+01 604 2022 1 3.86442e+00 2.75519e+00 810 2022 2 9.32277e+00 6.93609e+00 885 2022 3 6.86138e+00 5.92490e+00 791 2022 4 2.82285e-01 7.56166e-01 39 2022 5 5.63929e+00 1.27084e+01 425 2022 6 1.19515e+01 5.40170e+00 422 2022 7 1.95310e+01 2.02732e+01 160 2022 8 2.38373e+01 1.24932e+01 451 2022 9 1.33003e+01 7.39710e+00 355 2022 10 1.07513e+01 6.51814e+00 1203 2022 11 1.69785e+01 7.15653e+00 502 2022 12 1.08842e+01 8.41613e+00 899 2023 1 1.53166e+01 7.02089e+00 960 2023 2 1.77654e+01 7.57210e+00 654 2023 3 1.46319e+01 8.80515e+00 830 2023 4 1.65796e+01 1.26058e+01 385 2023 5 1.56243e+01 9.57616e+00 270 2023 6 2.50209e+01 6.50473e+00 300 2023 7 1.75327e+01 1.23750e+01 384 2023 8 2.73132e+01 2.27946e+01 565 2023 9 1.25541e+01 1.42330e+01 477 2023 10 1.15503e+01 9.31950e+00 504 2023 11 1.66106e+01 1.00315e+01 625 2023 12 5.23970e+00 5.27784e+00 350 2024 1 7.17001e-01 1.58710e+00 565 2024 2 6.11864e+00 6.25028e+00 626 2024 3 6.60215e+00 9.05046e+00 382 2024 4 nan nan 0