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 8.51443e+00 4.17028e+00 291 2002 8 9.52188e+00 1.38895e+01 442 2002 9 1.28495e+01 9.72286e+00 407 2002 10 4.94882e+00 3.15872e+00 548 2002 11 3.98566e+00 1.93959e+00 289 2002 12 2.36209e+00 5.47567e-01 533 2003 1 1.50440e+00 3.00778e-01 727 2003 2 2.15934e+00 6.51856e-01 559 2003 3 3.10966e+00 1.57005e+00 482 2003 4 8.50438e+00 4.00255e+00 406 2003 5 9.10749e+00 7.12938e+00 262 2003 6 2.08196e+01 1.59599e+01 198 2003 7 1.79881e+01 2.27827e+01 375 2003 8 8.41684e+00 6.53996e+00 254 2003 9 1.33178e+01 1.88102e+01 526 2003 10 1.11832e+01 8.92402e+00 495 2003 11 1.31388e+01 1.92479e+01 506 2003 12 3.09439e+00 9.55046e-01 547 2004 1 1.19962e+00 3.80797e-01 849 2004 2 1.59311e+00 4.63098e-01 704 2004 3 2.88792e+00 1.39436e+00 512 2004 4 2.37556e+01 2.07399e+01 259 2004 5 4.29136e+00 1.49442e+00 133 2004 6 1.35238e+01 1.57892e+01 260 2004 7 3.69219e+00 1.97262e-01 64 2004 8 1.01300e+01 1.14882e+01 371 2004 9 1.33330e+01 1.80238e+01 395 2004 10 7.12741e+00 6.33168e+00 487 2004 11 3.23549e+00 1.41121e+00 664 2004 12 2.17454e+00 3.76530e-01 339 2005 1 2.60126e+00 5.36837e-01 486 2005 2 2.45572e+00 6.62919e-01 361 2005 3 3.27955e+00 1.60857e+00 550 2005 4 1.43031e+01 1.43037e+01 492 2005 5 1.20741e+01 9.43359e+00 284 2005 6 1.45945e+01 1.90367e+01 188 2005 7 2.30992e+01 1.89068e+01 249 2005 8 5.35668e+00 7.23342e+00 175 2005 9 1.25465e+01 1.02402e+01 563 2005 10 8.78020e+00 1.58468e+01 302 2005 11 5.96761e+00 5.64187e+00 429 2005 12 2.27228e+00 5.94600e-01 547 2006 1 2.08439e+00 5.35540e-01 498 2006 2 1.96538e+00 4.50593e-01 529 2006 3 2.30345e+00 7.40216e-01 573 2006 4 4.80596e+00 6.21089e+00 426 2006 5 1.85340e+01 2.24243e+01 137 2006 6 5.88825e+00 1.02674e+00 104 2006 7 nan nan 0 2006 8 1.04826e+01 1.23161e+01 404 2006 9 2.45562e+01 2.30845e+01 367 2006 10 7.73021e+00 1.01525e+01 568 2006 11 6.06096e+00 4.91068e+00 263 2006 12 2.91843e+00 9.97307e-01 508 2007 1 2.37012e+00 6.16922e-01 434 2007 2 1.50309e+00 5.54896e-01 600 2007 3 3.70969e+00 7.03367e+00 525 2007 4 1.16839e+01 5.15187e+00 290 2007 5 1.65174e+01 1.60093e+01 254 2007 6 1.60991e+01 2.67815e+01 81 2007 7 9.06767e+00 1.40889e+01 281 2007 8 1.11059e+01 9.42239e+00 393 2007 9 1.28421e+01 8.39090e+00 553 2007 10 1.38673e+01 1.08214e+01 403 2007 11 3.82630e+00 1.15790e+00 470 2007 12 2.53199e+00 1.66727e+00 293 2008 1 2.08355e+00 6.60795e-01 483 2008 2 1.63843e+00 2.81690e-01 387 2008 3 3.47762e+00 2.40840e+00 562 2008 4 1.60577e+01 1.65100e+01 526 2008 5 1.35365e+01 9.07498e+00 98 2008 6 4.61230e+00 2.46358e+00 220 2008 7 8.54081e+00 2.55441e+00 166 2008 8 1.33070e+01 1.40718e+01 392 2008 9 1.02916e+01 1.25661e+01 535 2008 10 7.34099e+00 8.36147e+00 510 2008 11 3.92692e+00 1.64043e+00 508 2008 12 2.44610e+00 7.14693e-01 382 2009 1 9.96800e-01 2.88066e-01 679 2009 2 1.05005e+00 2.81361e-01 558 2009 3 3.94462e+00 1.28236e+01 525 2009 4 2.26274e+01 2.32337e+01 365 2009 5 1.25900e+01 6.89122e+00 137 2009 6 4.79978e+00 2.80019e+00 128 2009 7 9.75976e+00 1.22926e+01 198 2009 8 1.31376e+01 1.84969e+01 265 2009 9 1.59145e+01 1.59717e+01 304 2009 10 2.60811e+00 9.92982e-01 378 2009 11 3.54142e+00 1.08390e+00 421 2009 12 3.47667e+00 2.48363e+00 459 2010 1 1.72810e+00 4.35397e-01 539 2010 2 1.98711e+00 3.50872e-01 315 2010 3 4.73764e+00 2.66832e+00 619 2010 4 1.25939e+01 1.22783e+01 395 2010 5 8.00963e+00 9.87395e+00 305 2010 6 1.86668e+01 2.31436e+01 253 2010 7 5.74134e+00 5.53142e+00 331 2010 8 1.24019e+01 1.57703e+01 444 2010 9 9.07315e+00 7.52298e+00 455 2010 10 9.39192e+00 9.09212e+00 637 2010 11 4.53086e+00 2.44412e+00 454 2010 12 3.00264e+00 5.58631e-01 288 2011 1 2.10883e+00 5.18967e-01 324 2011 2 1.43519e+00 3.24516e-01 402 2011 3 3.81038e+00 1.83978e+00 540 2011 4 9.90986e+00 8.38234e+00 238 2011 5 1.48118e+01 4.56756e+00 133 2011 6 1.18626e+01 1.67438e+01 120 2011 7 1.24314e+01 1.91040e+01 306 2011 8 5.92538e+00 6.98478e+00 571 2011 9 9.05875e+00 1.26862e+01 333 2011 10 9.66028e+00 4.76862e+00 253 2011 11 1.09719e+01 1.28823e+01 504 2011 12 3.86557e+00 1.51593e+00 499 2012 1 2.12946e+00 1.29997e+00 512 2012 2 1.91557e+00 2.51415e-01 648 2012 3 5.02828e+00 5.49948e+00 659 2012 4 1.03126e+01 1.60426e+01 307 2012 5 8.45807e+00 7.32287e+00 228 2012 6 1.91991e+01 2.21104e+01 287 2012 7 6.73005e+00 3.92864e+00 494 2012 8 1.51162e+01 1.07058e+01 367 2012 9 1.36999e+01 1.50723e+01 579 2012 10 1.09429e+01 1.32752e+01 386 2012 11 3.42785e+00 4.93262e-01 527 2012 12 2.32574e+00 8.43464e-01 388 2013 1 2.12576e+00 2.84847e-01 492 2013 2 1.96148e+00 3.95273e-01 474 2013 3 2.83916e+00 2.17429e-01 123 2013 4 3.93484e+00 1.51350e+00 720 2013 5 3.58289e+00 1.94989e+00 256 2013 6 1.57674e+01 1.43916e+01 216 2013 7 8.13904e+00 6.63370e+00 239 2013 8 1.53347e+01 1.51266e+01 283 2013 9 1.08707e+01 1.70214e+01 974 2013 10 4.63645e+00 2.73094e+00 389 2013 11 7.98969e+00 7.92605e+00 824 2013 12 2.12660e+00 5.30269e-01 430 2014 1 2.03194e+00 5.43854e-01 464 2014 2 1.79470e+00 5.41750e-01 350 2014 3 1.76875e+00 6.11016e-01 468 2014 4 3.50593e+00 1.14868e+00 404 2014 5 2.10701e+01 2.49448e+01 248 2014 6 9.20579e+00 1.06953e+01 356 2014 7 4.05059e+00 1.50109e+00 116 2014 8 7.34134e+00 8.22874e+00 579 2014 9 1.65367e+01 2.04315e+01 638 2014 10 7.23811e+00 9.20406e+00 473 2014 11 3.17117e+00 7.70111e-01 336 2014 12 2.46861e+00 7.49273e-01 182 2015 1 1.97494e+00 4.92469e-01 444 2015 2 2.12364e+00 6.57445e-01 222 2015 3 2.04866e+00 7.87583e-01 622 2015 4 1.91056e+00 9.30815e-01 466 2015 5 1.47988e+01 1.84692e+01 201 2015 6 3.21354e+00 9.63762e-01 276 2015 7 1.98767e+01 1.67486e+01 197 2015 8 6.53396e+00 4.25777e+00 431 2015 9 9.02669e+00 1.16665e+01 700 2015 10 6.72909e+00 4.97269e+00 590 2015 11 4.85665e+00 2.14437e+00 766 2015 12 3.72181e+00 1.19816e+00 455 2016 1 2.35676e+00 4.08509e-01 468 2016 2 2.49552e+00 4.84227e-01 514 2016 3 2.09398e+00 4.98365e-01 595 2016 4 3.98726e+00 2.51964e+00 621 2016 5 6.37820e+00 1.58578e+00 167 2016 6 8.27745e+00 1.64158e+01 299 2016 7 5.93162e+00 5.90335e+00 288 2016 8 1.11759e+01 1.33386e+01 761 2016 9 1.68853e+01 2.04115e+01 284 2016 10 5.30265e+00 5.70990e+00 508 2016 11 8.36337e+00 9.04004e+00 764 2016 12 9.29902e+00 7.05013e+00 457 2017 1 2.27122e+00 6.92173e-01 576 2017 2 2.23217e+00 8.51556e-01 346 2017 3 2.10242e+00 5.46388e-01 732 2017 4 5.17304e+00 4.34371e+00 476 2017 5 1.24126e+01 1.16195e+01 140 2017 6 9.60131e+00 2.33198e+00 187 2017 7 9.28697e+00 1.46469e+01 389 2017 8 1.36539e+01 1.01436e+01 521 2017 9 2.08805e+01 2.58863e+01 307 2017 10 1.83598e+01 1.67748e+01 654 2017 11 7.66873e+00 6.83141e+00 585 2017 12 1.74218e+00 3.78338e-01 413 2018 1 1.76459e+00 4.74203e-01 519 2018 2 2.18306e+00 8.64884e-01 347 2018 3 2.66229e+00 7.02268e-01 311 2018 4 3.48151e+00 1.51893e+00 454 2018 5 1.76059e+01 1.63042e+01 213 2018 6 7.07212e+00 5.76259e+00 344 2018 7 8.12839e+00 8.59841e+00 476 2018 8 1.41530e+01 2.00317e+01 404 2018 9 1.13898e+01 1.64279e+01 170 2018 10 6.99928e+00 7.52659e+00 459 2018 11 3.25997e+00 6.72827e-01 542 2018 12 2.51210e+00 6.36600e-01 947 2019 1 1.69938e+00 5.69735e-01 618 2019 2 1.76568e+00 6.30709e-01 426 2019 3 1.38205e+00 8.64058e-01 588 2019 4 3.95673e+00 1.98150e+00 419 2019 5 1.11624e+01 5.93873e+00 135 2019 6 1.29889e+01 1.38502e+01 242 2019 7 1.33605e+01 1.19899e+01 424 2019 8 1.26757e+01 1.32494e+01 254 2019 9 2.27187e+01 2.10715e+01 419 2019 10 9.98244e+00 5.09682e+00 268 2019 11 5.87447e+00 4.76129e+00 620 2019 12 2.03726e+00 1.49486e-01 407 2020 1 2.20740e+00 9.25451e-01 620 2020 2 2.41483e+00 1.15135e+00 538 2020 3 2.48769e+00 6.04885e-01 507 2020 4 1.17259e+01 8.84834e+00 236 2020 5 8.48201e+00 8.52203e+00 476 2020 6 5.70009e+00 3.58457e+00 215 2020 7 5.43980e+00 3.01768e+00 495 2020 8 6.40166e+00 1.72190e+00 159 2020 9 2.55527e+01 1.98728e+01 312 2020 10 9.78139e+00 1.11836e+01 504 2020 11 4.92962e+00 1.91411e+00 336 2020 12 3.21032e+00 7.51916e-01 291 2021 1 3.01914e+00 6.81581e-01 474 2021 2 2.12814e+00 4.56074e-01 287 2021 3 3.32426e+00 2.09661e+00 926 2021 4 1.94583e+00 5.93981e-01 465 2021 5 9.43822e+00 7.47092e+00 298 2021 6 1.60209e+01 1.70672e+01 245 2021 7 1.69235e+01 2.18488e+01 55 2021 8 1.74138e+01 2.03483e+01 114 2021 9 1.49698e+01 1.77315e+01 364 2021 10 1.06412e+01 1.10524e+01 422 2021 11 6.23232e+00 3.06550e+00 703 2021 12 6.72375e+00 4.91358e+00 256 2022 1 2.53099e+00 8.53943e-01 506 2022 2 1.81290e+00 4.70008e-01 641 2022 3 3.61799e+00 7.36784e+00 508 2022 4 4.55342e+00 1.41286e+00 220 2022 5 1.33053e+01 1.00619e+01 183 2022 6 1.07960e+01 1.95283e+01 391 2022 7 5.33353e+00 2.43916e+00 489 2022 8 4.39226e+00 1.62605e+00 507 2022 9 2.30062e+01 2.37594e+01 322 2022 10 1.25174e+01 1.72086e+01 878 2022 11 3.32269e+00 1.37853e+00 866 2022 12 3.31042e+00 1.55989e+00 518 2023 1 3.77363e+00 1.37557e+00 282 2023 2 1.79172e+00 5.56792e-01 366 2023 3 2.55147e+00 1.09805e+00 400 2023 4 5.03241e+00 4.70092e+00 530 2023 5 2.14372e+01 2.00798e+01 340 2023 6 4.58748e+00 5.54529e+00 273 2023 7 5.09437e+00 2.38128e+00 315 2023 8 8.07992e+00 5.86444e+00 483 2023 9 8.91559e+00 1.07306e+01 417 2023 10 8.08137e+00 7.91695e+00 531 2023 11 8.87563e+00 6.84223e+00 523 2023 12 5.49808e+00 5.87175e+00 365 2024 1 3.64549e+00 2.41303e+00 463 2024 2 4.41090e+00 4.48771e+00 923 2024 3 3.90959e+00 1.02858e+00 499 2024 4 nan nan 0