Sample Interval is 01/01/1931 to 12/31/1996 Date Day Average StdDev Maximum Minimum 01/01 1 37.000 5.510 49 24 01/02 2 36.746 6.128 55 20 01/03 3 35.397 6.410 48 16 01/04 4 35.175 7.255 47 19 01/05 5 36.429 6.645 51 21 01/06 6 37.063 5.576 47 20 01/07 7 37.714 6.381 57 20 01/08 8 37.484 6.558 55 19 01/09 9 37.937 6.201 52 16 01/10 10 38.613 5.707 49 19 01/11 11 38.270 6.099 51 23 01/12 12 39.081 6.666 51 14 01/13 13 39.190 6.360 51 16 01/14 14 39.175 6.559 53 22 01/15 15 39.429 6.265 55 26 01/16 16 39.476 6.002 53 21 01/17 17 39.222 5.601 53 26 01/18 18 38.762 5.896 50 24 01/19 19 38.571 6.124 54 25 01/20 20 38.403 6.284 52 24 01/21 21 38.540 7.200 53 13 01/22 22 38.048 6.472 50 11 01/23 23 38.746 5.550 50 19 01/24 24 39.476 5.800 52 21 01/25 25 38.651 5.976 49 18 01/26 26 39.694 5.886 51 20 01/27 27 39.317 6.679 51 17 01/28 28 39.238 6.460 52 17 01/29 29 39.016 6.482 51 22 01/30 30 38.857 6.242 54 23 01/31 31 39.444 7.311 57 20 02/01 32 39.828 7.925 66 21 02/02 33 40.000 7.333 56 20 02/03 34 40.063 6.921 56 25 02/04 35 40.438 7.378 67 25 02/05 36 41.063 6.761 51 24 02/06 37 41.578 7.430 52 16 02/07 38 41.922 7.358 57 19 02/08 39 41.594 6.800 57 19 02/09 40 41.219 6.886 59 26 02/10 41 41.141 7.536 56 12 02/11 42 41.922 7.604 61 24 02/12 43 41.688 6.638 60 28 02/13 44 41.781 6.823 59 26 02/14 45 42.109 6.841 56 23 02/15 46 41.656 7.338 59 24 02/16 47 41.766 7.001 57 24 02/17 48 42.500 5.704 57 26 02/18 49 42.969 6.254 60 28 02/19 50 42.875 7.117 57 27 02/20 51 43.125 6.952 58 28 02/21 52 43.266 6.144 55 28 02/22 53 43.094 6.647 56 27 02/23 54 43.266 6.242 59 31 02/24 55 43.797 6.142 59 30 02/25 56 43.797 6.262 61 30 02/26 57 44.063 6.789 60 31 02/27 58 44.313 7.572 66 29 02/28 59 44.725 6.827 63 22 03/01 60 45.000 6.510 57 29 03/02 61 44.406 7.082 60 30 03/03 62 43.938 7.133 60 25 03/04 63 43.797 6.674 65 31 03/05 64 44.469 6.417 66 32 03/06 65 45.172 6.114 60 34 03/07 66 45.359 6.188 62 34 03/08 67 46.078 6.059 59 32 03/09 68 47.188 6.352 60 34 03/10 69 47.500 5.936 63 31 03/11 70 46.109 6.769 62 31 03/12 71 45.172 7.061 65 29 03/13 72 46.234 6.592 63 32 03/14 73 45.938 6.958 62 31 03/15 74 45.797 6.370 64 34 03/16 75 46.297 7.014 61 26 03/17 76 47.234 6.831 60 35 03/18 77 47.078 7.181 64 33 03/19 78 48.031 6.894 63 35 03/20 79 47.484 7.445 64 33 03/21 80 47.203 7.136 64 32 03/22 81 47.219 7.535 61 32 03/23 82 47.281 6.699 61 34 03/24 83 48.094 6.480 60 32 03/25 84 48.266 6.929 59 34 03/26 85 48.203 7.279 66 30 03/27 86 47.922 6.858 62 33 03/28 87 48.047 6.984 63 30 03/29 88 47.906 6.411 63 30 03/30 89 49.266 7.020 63 33 03/31 90 50.031 5.989 64 35 04/01 91 50.143 6.888 66 37 04/02 92 49.444 8.004 68 33 04/03 93 50.222 7.131 67 37 04/04 94 51.937 7.119 68 37 04/05 95 51.810 7.453 66 36 04/06 96 52.063 6.565 66 41 04/07 97 51.984 6.497 67 40 04/08 98 52.333 7.123 73 37 04/09 99 52.730 7.065 70 36 04/10 100 54.317 7.777 71 38 04/11 101 54.127 7.521 70 35 04/12 102 54.540 7.125 68 32 04/13 103 53.698 7.134 65 36 04/14 104 54.645 7.982 68 39 04/15 105 54.726 7.369 69 40 04/16 106 55.984 6.295 69 37 04/17 107 55.619 7.644 69 31 04/18 108 55.397 8.151 70 37 04/19 109 53.651 8.823 70 37 04/20 110 54.111 8.644 69 37 04/21 111 55.629 8.064 70 39 04/22 112 55.508 8.102 68 39 04/23 113 54.651 7.085 70 39 04/24 114 55.794 7.390 72 38 04/25 115 54.952 7.365 71 40 04/26 116 54.873 7.167 70 40 04/27 117 55.444 8.134 76 31 04/28 118 56.365 6.987 68 39 04/29 119 55.726 7.159 70 39 04/30 120 56.339 7.540 71 39 05/01 121 57.375 7.961 75 43 05/02 122 57.746 7.168 74 42 05/03 123 58.746 7.184 77 41 05/04 124 59.391 7.947 79 38 05/05 125 59.484 7.244 76 43 05/06 126 59.032 7.567 77 42 05/07 127 58.563 8.528 72 39 05/08 128 59.453 7.359 74 41 05/09 129 60.281 6.846 77 45 05/10 130 59.906 7.374 78 41 05/11 131 59.672 8.148 74 38 05/12 132 60.460 8.472 78 40 05/13 133 61.828 8.149 78 38 05/14 134 61.984 7.446 78 43 05/15 135 61.547 6.597 75 43 05/16 136 61.844 6.933 74 45 05/17 137 61.766 6.507 76 44 05/18 138 62.841 6.141 75 48 05/19 139 62.531 6.864 74 44 05/20 140 62.594 7.326 77 45 05/21 141 63.109 7.051 77 43 05/22 142 63.234 6.276 73 47 05/23 143 64.344 6.079 73 47 05/24 144 63.234 7.393 75 44 05/25 145 63.859 6.948 78 45 05/26 146 64.922 6.755 76 47 05/27 147 64.500 7.599 80 37 05/28 148 64.891 7.312 80 47 05/29 149 63.969 6.733 79 45 05/30 150 64.766 6.642 79 48 05/31 151 64.516 6.172 75 46 06/01 152 64.603 7.602 79 44 06/02 153 65.825 7.789 81 41 06/03 154 66.571 7.262 80 42 06/04 155 67.460 7.664 82 46 06/05 156 67.302 7.596 83 46 06/06 157 66.063 7.931 81 46 06/07 158 66.048 7.074 81 50 06/08 159 66.444 6.993 81 48 06/09 160 68.159 6.075 85 53 06/10 161 67.667 6.972 81 49 06/11 162 69.571 5.650 88 58 06/12 163 69.984 5.774 81 58 06/13 164 70.159 6.099 81 54 06/14 165 70.730 6.389 85 58 06/15 166 69.968 7.329 87 50 06/16 167 70.540 6.211 82 54 06/17 168 70.714 6.595 81 54 06/18 169 71.444 5.808 83 57 06/19 170 71.984 5.942 84 55 06/20 171 72.635 6.241 87 52 06/21 172 72.984 5.244 85 59 06/22 173 73.841 5.112 87 61 06/23 174 73.730 5.052 84 62 06/24 175 73.889 5.722 84 57 06/25 176 73.206 6.201 83 60 06/26 177 73.476 6.727 87 55 06/27 178 73.952 6.241 87 59 06/28 179 74.714 5.793 89 61 06/29 180 73.937 6.130 87 58 06/30 181 73.937 5.662 91 64 07/01 182 74.048 6.023 87 58 07/02 183 75.048 5.281 86 63 07/03 184 75.677 5.082 86 63 07/04 185 74.921 5.428 89 65 07/05 186 75.190 5.285 89 62 07/06 187 76.127 5.034 86 65 07/07 188 75.921 4.887 87 66 07/08 189 76.381 4.499 86 63 07/09 190 76.730 4.552 87 66 07/10 191 76.683 4.111 86 67 07/11 192 76.937 4.662 86 64 07/12 193 77.063 4.435 88 69 07/13 194 77.222 4.651 85 66 07/14 195 77.667 5.029 94 67 07/15 196 77.222 4.050 85 66 07/16 197 77.190 4.332 85 65 07/17 198 77.079 4.667 86 64 07/18 199 76.603 5.420 87 58 07/19 200 76.381 5.119 85 64 07/20 201 77.095 4.928 90 64 07/21 202 77.317 5.267 88 63 07/22 203 77.302 5.575 89 64 07/23 204 76.286 5.126 87 63 07/24 205 76.619 4.894 88 63 07/25 206 77.413 5.333 90 56 07/26 207 76.825 5.027 86 66 07/27 208 76.825 4.737 89 68 07/28 209 77.127 4.528 89 67 07/29 210 77.429 4.778 89 67 07/30 211 77.571 4.486 87 65 07/31 212 77.484 4.762 89 67 08/01 213 77.778 4.156 89 68 08/02 214 77.397 4.248 88 68 08/03 215 77.254 4.377 87 67 08/04 216 75.825 4.716 85 65 08/05 217 75.667 4.951 86 64 08/06 218 76.937 4.395 87 67 08/07 219 76.857 4.242 85 68 08/08 220 77.190 4.457 93 67 08/09 221 77.444 4.328 87 68 08/10 222 76.635 4.709 88 66 08/11 223 76.556 5.518 88 63 08/12 224 75.556 5.186 86 66 08/13 225 75.635 4.867 87 68 08/14 226 75.365 4.674 86 61 08/15 227 74.629 4.764 85 65 08/16 228 74.532 5.017 85 65 08/17 229 75.111 4.216 85 65 08/18 230 74.317 4.912 84 61 08/19 231 74.387 4.528 86 61 08/20 232 74.571 4.891 84 61 08/21 233 74.238 4.855 82 61 08/22 234 74.444 4.634 81 61 08/23 235 74.635 4.923 83 62 08/24 236 73.619 4.821 82 62 08/25 237 73.667 4.425 83 64 08/26 238 73.548 4.303 83 63 08/27 239 73.095 4.354 82 62 08/28 240 73.079 4.248 80 65 08/29 241 73.429 4.842 83 63 08/30 242 73.270 5.203 84 61 08/31 243 73.460 5.064 84 59 09/01 244 73.078 5.183 86 62 09/02 245 73.125 4.835 85 60 09/03 246 73.077 5.007 83 60 09/04 247 73.215 4.823 84 60 09/05 248 72.662 5.121 83 59 09/06 249 72.062 5.132 80 55 09/07 250 71.554 4.962 81 58 09/08 251 72.077 4.744 82 60 09/09 252 71.554 5.062 79 60 09/10 253 70.923 5.726 79 56 09/11 254 70.369 6.434 79 52 09/12 255 69.923 6.291 81 55 09/13 256 69.338 5.421 83 60 09/14 257 68.892 5.874 83 56 09/15 258 68.877 6.346 97 57 09/16 259 69.123 4.872 80 58 09/17 260 67.923 5.888 79 46 09/18 261 67.438 6.614 79 51 09/19 262 66.631 6.468 78 50 09/20 263 66.215 5.991 79 50 09/21 264 66.200 6.096 79 53 09/22 265 66.231 5.626 80 50 09/23 266 66.062 5.505 77 49 09/24 267 66.077 6.037 78 49 09/25 268 65.600 5.695 76 52 09/26 269 66.031 5.440 76 46 09/27 270 65.954 5.577 75 49 09/28 271 65.723 5.797 76 46 09/29 272 65.200 5.212 75 53 09/30 273 64.875 5.797 75 43 10/01 274 64.338 6.183 76 45 10/02 275 63.277 6.460 75 47 10/03 276 62.323 5.943 73 50 10/04 277 62.569 6.207 74 50 10/05 278 62.538 6.075 73 51 10/06 279 62.662 5.360 73 50 10/07 280 62.308 5.648 79 48 10/08 281 61.185 6.322 76 46 10/09 282 60.769 6.803 75 40 10/10 283 61.077 6.477 73 44 10/11 284 60.754 5.852 72 45 10/12 285 60.641 5.964 74 48 10/13 286 60.000 6.169 74 45 10/14 287 60.185 5.825 71 46 10/15 288 59.385 5.399 69 44 10/16 289 57.877 5.933 68 41 10/17 290 57.800 6.055 68 43 10/18 291 57.523 6.044 69 41 10/19 292 56.831 6.637 68 39 10/20 293 56.508 6.086 69 42 10/21 294 56.062 5.508 66 40 10/22 295 55.646 5.729 66 37 10/23 296 55.523 6.062 70 42 10/24 297 55.600 5.884 70 40 10/25 298 54.323 5.489 63 40 10/26 299 54.123 5.735 66 41 10/27 300 55.015 6.178 67 40 10/28 301 54.369 6.156 65 40 10/29 302 53.077 7.056 65 32 10/30 303 52.000 7.082 65 30 10/31 304 51.594 6.800 64 34 11/01 305 51.359 5.708 65 39 11/02 306 51.000 5.531 63 39 11/03 307 50.815 6.080 62 34 11/04 308 50.369 6.259 62 33 11/05 309 50.138 6.197 63 37 11/06 310 50.323 5.720 67 38 11/07 311 49.969 5.157 63 40 11/08 312 49.446 5.573 64 35 11/09 313 48.785 7.326 65 4 11/10 314 48.754 6.093 66 34 11/11 315 47.646 6.135 64 34 11/12 316 47.785 6.128 64 34 11/13 317 47.354 6.120 64 30 11/14 318 47.138 5.984 65 35 11/15 319 46.477 6.683 65 33 11/16 320 45.185 6.361 60 30 11/17 321 45.831 6.191 56 30 11/18 322 44.908 6.830 62 28 11/19 323 44.015 6.249 59 31 11/20 324 43.938 6.517 59 30 11/21 325 43.831 6.407 58 30 11/22 326 43.800 6.362 60 26 11/23 327 43.338 5.874 57 26 11/24 328 44.031 5.934 58 29 11/25 329 44.046 5.245 55 33 11/26 330 43.985 6.663 64 30 11/27 331 42.677 5.102 52 31 11/28 332 42.015 5.343 55 29 11/29 333 42.400 4.818 53 31 11/30 334 42.062 5.052 53 30 12/01 335 42.092 4.811 56 34 12/02 336 42.031 4.760 53 30 12/03 337 41.754 4.566 53 32 12/04 338 42.031 4.727 53 31 12/05 339 41.892 4.950 53 28 12/06 340 41.354 5.718 53 27 12/07 341 41.323 5.698 57 25 12/08 342 40.462 5.799 54 21 12/09 343 40.646 6.345 53 24 12/10 344 40.369 6.199 52 22 12/11 345 39.800 6.029 51 23 12/12 346 39.446 6.815 59 22 12/13 347 38.538 6.734 53 17 12/14 348 38.523 6.119 50 24 12/15 349 38.500 5.466 51 28 12/16 350 39.438 5.209 52 29 12/17 351 39.015 5.171 49 28 12/18 352 39.431 4.818 49 29 12/19 353 39.862 4.430 49 32 12/20 354 39.292 5.544 49 28 12/21 355 39.031 5.791 49 22 12/22 356 38.985 6.313 52 18 12/23 357 38.308 6.552 49 9 12/24 358 38.662 6.185 58 20 12/25 359 38.938 5.766 54 25 12/26 360 38.585 5.668 52 25 12/27 361 38.169 6.077 53 25 12/28 362 37.431 5.682 51 21 12/29 363 37.338 5.869 58 20 12/30 364 37.231 5.812 54 21 12/31 365 37.215 5.125 48 25