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 1.40064e+00 2.38976e+00 243 2002 8 5.64045e+00 5.12699e+00 362 2002 9 9.27250e-01 1.31992e+00 443 2002 10 1.20239e+00 1.90225e+00 538 2002 11 2.72193e+00 3.13587e+00 382 2002 12 4.35639e+00 3.27507e+00 488 2003 1 4.24885e+00 2.34980e+00 317 2003 2 2.58193e+00 2.00199e+00 372 2003 3 6.12857e+00 5.26453e+00 525 2003 4 4.78813e+00 4.03311e+00 347 2003 5 3.67295e+00 3.72599e+00 297 2003 6 3.22846e+00 6.86563e+00 205 2003 7 4.54686e+00 4.80698e+00 556 2003 8 6.77493e+00 5.75177e+00 622 2003 9 3.61106e+00 4.07898e+00 757 2003 10 5.16030e+00 6.96240e+00 455 2003 11 2.78067e-01 5.47513e-01 473 2003 12 1.09724e-01 2.30977e-01 363 2004 1 6.50331e-02 1.27637e-01 248 2004 2 4.84600e+00 1.01488e+01 483 2004 3 3.89965e-01 5.71323e-01 427 2004 4 3.05746e+00 3.92026e+00 378 2004 5 8.11128e+00 5.76915e+00 431 2004 6 3.37809e+00 3.11582e+00 216 2004 7 9.75727e+00 4.90989e+00 186 2004 8 7.49614e+00 6.98884e+00 474 2004 9 4.21002e+00 4.03358e+00 706 2004 10 5.06827e+00 5.13173e+00 290 2004 11 7.33840e-01 1.26406e+00 621 2004 12 1.93784e+00 2.91533e+00 297 2005 1 1.25785e+00 9.68835e-01 242 2005 2 2.74615e+00 2.13278e+00 400 2005 3 3.11134e+00 2.74288e+00 684 2005 4 3.78150e+00 3.97373e+00 673 2005 5 3.97652e+00 4.91699e+00 377 2005 6 6.74754e+00 7.36525e+00 262 2005 7 3.82107e+00 4.75577e+00 290 2005 8 4.54735e+00 3.29681e+00 584 2005 9 4.72080e+00 5.91608e+00 1025 2005 10 3.67341e+00 2.61933e+00 256 2005 11 2.82802e+00 2.80227e+00 395 2005 12 1.84672e+00 1.46323e+00 459 2006 1 3.67485e-01 6.01445e-01 508 2006 2 5.65230e+00 5.05548e+00 399 2006 3 4.35978e+00 2.62240e+00 640 2006 4 6.84794e+00 5.45514e+00 549 2006 5 3.53826e+00 3.35829e+00 144 2006 6 4.16942e+00 3.04858e+00 256 2006 7 2.68849e+00 3.00129e+00 160 2006 8 4.70690e+00 4.26964e+00 673 2006 9 3.95976e+00 5.35344e+00 599 2006 10 4.25354e+00 4.30207e+00 609 2006 11 1.43977e+00 1.27563e+00 236 2006 12 6.86706e-01 6.55673e-01 300 2007 1 2.59569e-01 4.50097e-01 371 2007 2 1.56791e+00 2.61444e+00 704 2007 3 1.76822e+00 1.42172e+00 655 2007 4 2.36684e+00 1.92049e+00 281 2007 5 3.12242e+00 2.72980e+00 530 2007 6 3.31642e+00 2.74543e+00 301 2007 7 5.36487e+00 5.24943e+00 382 2007 8 5.19413e+00 4.56927e+00 513 2007 9 4.50474e+00 4.60488e+00 671 2007 10 2.40650e+00 3.14795e+00 413 2007 11 9.30757e-01 8.85476e-01 452 2007 12 1.15926e+00 9.16703e-01 215 2008 1 9.34879e-01 1.01036e+00 197 2008 2 2.08580e+00 2.41844e+00 459 2008 3 2.74296e+00 2.97105e+00 688 2008 4 2.52782e+00 2.93096e+00 513 2008 5 6.28548e+00 7.78162e+00 414 2008 6 4.34583e+00 4.39142e+00 321 2008 7 7.59475e+00 4.92056e+00 448 2008 8 9.29511e+00 6.76322e+00 494 2008 9 5.05075e+00 7.29466e+00 461 2008 10 3.56358e+00 5.02317e+00 645 2008 11 1.51631e+00 1.49583e+00 410 2008 12 1.47610e+00 1.46260e+00 364 2009 1 2.72199e+00 2.83566e+00 507 2009 2 4.72541e+00 5.03430e+00 423 2009 3 8.64812e-01 1.41629e+00 429 2009 4 3.12663e+00 4.08786e+00 609 2009 5 6.84051e+00 3.01913e+00 127 2009 6 3.33425e+00 2.85277e+00 132 2009 7 3.72095e+00 3.96614e+00 552 2009 8 4.92127e+00 6.09524e+00 408 2009 9 1.93336e+00 2.27892e+00 597 2009 10 1.50728e+00 1.83208e+00 284 2009 11 7.82341e-01 6.15719e-01 299 2009 12 1.17005e+00 8.80460e-01 329 2010 1 2.02994e+00 1.58031e+00 348 2010 2 2.29167e+00 3.02536e+00 576 2010 3 3.52105e+00 2.50418e+00 488 2010 4 1.90932e+00 3.14772e+00 498 2010 5 4.96836e+00 3.66145e+00 491 2010 6 2.99524e+00 3.84405e+00 275 2010 7 7.12740e+00 6.56267e+00 579 2010 8 3.17549e+00 3.25726e+00 519 2010 9 5.11724e+00 5.60132e+00 590 2010 10 1.50788e+00 3.50512e+00 699 2010 11 1.15422e+00 9.29154e-01 270 2010 12 2.97351e+00 2.75462e+00 315 2011 1 2.12026e+00 1.37671e+00 364 2011 2 6.62730e-01 7.43353e-01 386 2011 3 4.92024e-01 8.84881e-01 583 2011 4 4.10174e+00 2.13424e+00 205 2011 5 5.44144e+00 7.62471e+00 361 2011 6 7.35762e+00 8.21826e+00 220 2011 7 1.03953e+01 6.04078e+00 617 2011 8 9.38895e+00 9.17941e+00 803 2011 9 7.86760e+00 5.78272e+00 594 2011 10 1.83552e+00 2.32532e+00 511 2011 11 1.59659e+00 1.37305e+00 399 2011 12 1.27685e+00 2.07502e+00 397 2012 1 5.42115e+00 2.95558e+00 540 2012 2 2.75761e+00 1.61283e+00 499 2012 3 5.80425e+00 5.92618e+00 725 2012 4 4.34761e+00 3.34557e+00 775 2012 5 5.06548e+00 3.83540e+00 455 2012 6 4.19073e+00 3.70994e+00 602 2012 7 4.24054e+00 4.71363e+00 414 2012 8 4.60335e+00 4.55363e+00 421 2012 9 4.44462e+00 5.57255e+00 581 2012 10 3.35825e+00 2.52086e+00 359 2012 11 2.09270e+00 1.94000e+00 428 2012 12 5.17529e+00 3.95226e+00 232 2013 1 2.03682e+00 7.87265e-01 479 2013 2 4.14847e+00 2.39122e+00 429 2013 3 9.32351e-01 1.93833e+00 467 2013 4 3.61406e+00 2.69084e+00 725 2013 5 8.90717e+00 7.33458e+00 330 2013 6 3.34990e+00 4.76348e+00 288 2013 7 5.86507e+00 3.19069e+00 225 2013 8 3.72928e+00 3.09893e+00 499 2013 9 3.39183e+00 2.55427e+00 790 2013 10 4.58231e+00 5.31281e+00 511 2013 11 4.55458e-01 9.13842e-01 458 2013 12 1.40250e+00 1.13484e+00 149 2014 1 3.20073e+00 2.29197e+00 508 2014 2 4.43732e+00 1.78124e+00 417 2014 3 1.48925e+00 2.94058e+00 453 2014 4 1.00115e+00 1.54188e+00 497 2014 5 5.99731e+00 4.28522e+00 677 2014 6 4.36241e+00 3.89150e+00 522 2014 7 5.10878e+00 6.51499e+00 265 2014 8 5.53896e+00 4.17593e+00 533 2014 9 6.14052e+00 4.01086e+00 555 2014 10 2.97790e+00 3.21195e+00 667 2014 11 9.47377e-01 8.40059e-01 408 2014 12 1.34681e+00 4.99930e-01 114 2015 1 3.01365e+00 4.72660e+00 532 2015 2 1.42419e+00 1.49962e+00 297 2015 3 2.87805e+00 2.33952e+00 573 2015 4 4.17925e+00 2.60289e+00 501 2015 5 9.09736e+00 6.56878e+00 326 2015 6 5.22097e+00 4.10893e+00 240 2015 7 1.19061e+01 8.92803e+00 395 2015 8 7.70876e+00 5.87175e+00 644 2015 9 4.06651e+00 3.07686e+00 602 2015 10 1.37572e+00 2.66315e+00 678 2015 11 9.02959e-01 8.48192e-01 597 2015 12 6.51205e-01 8.04528e-01 343 2016 1 9.02893e-01 1.13770e+00 383 2016 2 7.21572e-01 5.81703e-01 489 2016 3 4.38208e+00 3.47706e+00 256 2016 4 3.21778e+00 2.46603e+00 502 2016 5 6.60211e+00 7.82790e+00 298 2016 6 3.52338e+00 3.34232e+00 510 2016 7 7.86045e+00 5.14529e+00 602 2016 8 4.83651e+00 4.35607e+00 825 2016 9 1.87937e+00 2.86559e+00 433 2016 10 2.91142e+00 2.62327e+00 509 2016 11 1.25885e+00 1.32072e+00 566 2016 12 1.39554e-01 1.49704e-01 305 2017 1 2.47463e+00 2.49379e+00 447 2017 2 2.87480e+00 2.80727e+00 455 2017 3 1.94932e+00 2.31437e+00 519 2017 4 2.64236e+00 2.18576e+00 174 2017 5 5.51913e+00 7.40284e+00 164 2017 6 4.13697e+00 3.94736e+00 436 2017 7 3.86150e+00 2.85540e+00 394 2017 8 5.64419e+00 4.31621e+00 454 2017 9 6.21820e+00 5.89173e+00 443 2017 10 1.11805e+00 1.71935e+00 770 2017 11 2.22194e+00 1.39839e+00 238 2017 12 2.47441e+00 2.20628e+00 345 2018 1 3.15160e+00 3.05401e+00 493 2018 2 2.11563e+00 1.03499e+00 231 2018 3 2.37310e-02 2.00370e-02 282 2018 4 1.04869e-01 2.18969e-01 284 2018 5 8.07882e+00 7.40069e+00 415 2018 6 5.70458e+00 3.23695e+00 356 2018 7 3.95308e+00 4.34165e+00 527 2018 8 9.88346e+00 5.22663e+00 442 2018 9 6.82196e+00 4.87943e+00 535 2018 10 2.13279e+00 2.32682e+00 475 2018 11 2.20415e+00 2.43266e+00 427 2018 12 2.90229e+00 2.27623e+00 573 2019 1 1.54676e+00 9.59049e-01 453 2019 2 2.10706e+00 1.68417e+00 466 2019 3 2.86750e+00 2.77803e+00 724 2019 4 5.31645e+00 6.17343e+00 334 2019 5 7.43114e+00 7.04367e+00 293 2019 6 4.81253e+00 2.26204e+00 254 2019 7 3.99916e+00 4.56087e+00 662 2019 8 2.52991e+00 2.98736e+00 368 2019 9 2.33578e+00 3.67475e+00 729 2019 10 7.97028e-01 7.34397e-01 256 2019 11 1.05789e+00 1.44821e+00 411 2019 12 1.06356e+00 1.27489e+00 266 2020 1 8.94388e-01 3.26202e+00 352 2020 2 9.88625e-01 1.12096e+00 599 2020 3 3.73987e-01 4.59497e-01 416 2020 4 8.93297e-01 9.58347e-01 300 2020 5 4.75561e+00 3.98395e+00 439 2020 6 3.31641e+00 3.70525e+00 483 2020 7 7.95712e+00 2.05790e+00 510 2020 8 3.25514e+00 1.91478e+00 318 2020 9 4.17038e+00 6.83076e+00 563 2020 10 3.98654e+00 3.14458e+00 510 2020 11 1.62367e+00 2.65283e+00 566 2020 12 1.81001e-01 9.13242e-02 192 2021 1 9.83416e-01 1.05862e+00 345 2021 2 3.73297e+00 3.30112e+00 294 2021 3 2.02162e+00 1.67195e+00 878 2021 4 2.71861e+00 2.76889e+00 597 2021 5 3.58863e+00 4.46849e+00 800 2021 6 6.16780e+00 3.79510e+00 415 2021 7 3.63138e+00 2.47952e+00 374 2021 8 4.54082e+00 4.28008e+00 404 2021 9 1.92594e+00 2.17717e+00 567 2021 10 3.89716e+00 4.57314e+00 426 2021 11 1.08858e+00 1.23966e+00 686 2021 12 2.86049e+00 3.60151e+00 200 2022 1 3.25172e+00 1.61262e+00 256 2022 2 3.66422e+00 2.58530e+00 556 2022 3 2.78862e+00 2.99019e+00 540 2022 4 2.70038e+00 1.85547e+00 172 2022 5 6.28821e+00 5.39477e+00 320 2022 6 4.67639e+00 4.00526e+00 483 2022 7 1.00168e+01 6.25476e+00 742 2022 8 1.15553e+01 6.54009e+00 720 2022 9 3.02886e+00 3.53687e+00 589 2022 10 4.32982e+00 4.99451e+00 562 2022 11 2.66315e+00 2.97489e+00 798 2022 12 2.38691e+00 2.75543e+00 558 2023 1 7.34955e+00 5.11232e+00 438 2023 2 7.43743e+00 5.91743e+00 313 2023 3 4.68550e+00 5.83482e+00 654 2023 4 7.61930e+00 6.49389e+00 488 2023 5 4.96507e+00 5.00951e+00 538 2023 6 3.69722e+00 3.96379e+00 349 2023 7 5.99106e+00 5.28379e+00 644 2023 8 2.77106e+00 2.88656e+00 531 2023 9 1.04415e+01 8.03721e+00 542 2023 10 5.98076e+00 3.23384e+00 531 2023 11 3.77581e-01 6.99292e-01 425 2023 12 6.29944e-01 6.24114e-01 383 2024 1 2.92803e+00 5.17879e+00 393 2024 2 1.13983e+00 1.15200e+00 557 2024 3 3.70461e+00 3.13932e+00 712 2024 4 nan nan 0