This is the 1998 Degreeday accumulation data since January 1, for the Peach Ridge Weather Station in Sparta, Michigan.
Degreeday Reports
Philip Schwallier & Amy Brown

1998 Peach Ridge Update Version October 31, 1998

  Normal YTD Accumulations Base  YTD Accumulations Base  Days Ahead of Normal
Date 32 42 50 65 32 42 50 65 32 42 50 65
3/4 14 3 1 0 200 36 4 0  29 19 6 6
3/11 43 12 4 0
212
 36 4 0  23 12 -1 -1
3/18 82 26 10 1
216
 36 4 0  17  5  -8 -8
3/25 126 42 15 1 246 40 4 0  13  0  -15 -15
4/1 193 70 28 2 436 161 75 10  21  18 19 25
4/8 259 97 38 3 526 194 85 10 18 14 14 18
4/15 344 133 53 4 647 253 110 11 18 14 14 13
4/22 464 195 83 8 763 308 134 12 17 20 19 8
4/29 588 260 115 13 891 373 164 14 15 11 10 4
5/6 725 334 153 17 1087 499 236 23 15 11 10 2
5/13 885 429 206 27 1314 656 337 45 16 13 13 9
5/20 1063 539 270 39 1559 831 458 83 18 17 17 17
5/27 1256 665 346 56 1741 943 521 92 16 14 14 11
6/3 1461 800 431 77 1943 1076 606 115 15 12 11 9
6/10 1689 959 536 105 2092 1158 646 116 12 8 7 3
6/17 1924 1124 647 138 2343 1339 771 149 12 9 7 2
6/24 2168 1298 767 175 2632 1558 934 213 14 11 11 8
7/1 2423 1484 897 217 2925 1781 1101 279 15 12 12 11
7/8 2684 1674 1032 264 3192 1978 1242 324 13 11 10 8
7/15 2952 1872 1174 315 3468 2184 1392 379 13 11 10 9
7/22 3224 2074 1321 367 3765 2411 1510 427 15 12 10 9
7/29 3492 2272 1463 416 4016 2592 1688 486 14 12 11 11
8/5 3751 2461 1596 460 4282 2788 1314 530 15 12 12 11
8/12 4007 2647 1727 502 4506 2957 1412 576 14 12 12 12
8/19 4262 2833 1858 545 4799 3170 1522 623 16 14 15 15
8/26 4509 3009 1979 581 5089 3390 2266 687 17 15 17 30
9/2 4755 3185 2100 618 5288 3528 2358 714 17 16 19 60
9/9 4989 3350 2211 648 5545 3715 2490 754 21 21 30 -
9/16 5197 3488 2298 667 5764 3866 2589 780 24 28 40 -
9/23 5389 3611 2371 681 5974 4006 2676 801 30 40 - -
9/30 5553 3708 2422 687 6120 4085 2711 804 32 - - -
10/7 5707 3797 2469 693 6252 4149 2737 805 - - - -
10/14 5837 3864 2500 696 6395 4227 2777 808 - - - -
10/21 5958 3926 2528 699 6534 4302 2810 809 - - - -
10/28 6069 3979 2552 701 6626 4340 2819 809 - - - -