Flagstaff : 2008 Heat Units DOY = Day Of Year (1 to 365) Max = Maximum Air Temperature Min = Minimum Air Temperature HU = Daily Heat Units CUM = Accumulated Heat Units : Since Jan 1, 2008 * = Missing data. Max, Min Temps and Heat Units Estimated. Temperature and Heat Units are in Fahrenheit Units Heat Units calculated by Single Sine Method 85/55 86/50 86/45 RH ========== ========== ========== =========== DOY Date Max Min HU CUM HU CUM HU CUM Max Min Ave --- ------ --- --- ---- ---- ---- ---- ---- ---- --- --- --- 1 Jan 1 31 13 0.0 0 0.0 0 0.0 0 43 21 29 2 Jan 2 36 15 0.0 0 0.0 0 0.0 0 79 23 37 3 Jan 3 49 16 0.0 0 0.0 0 0.7 1 83 26 51 4 Jan 4 43 30 0.0 0 0.0 0 0.0 1 82 44 67 5 Jan 5 39 32 0.0 0 0.0 0 0.0 1 99 66 91 6 Jan 6 37 30 0.0 0 0.0 0 0.0 1 100 72 90 7 Jan 7 39 6 0.0 0 0.0 0 0.0 1 99 57 85 8 Jan 8 46 -9 0.0 0 0.0 0 0.1 1 99 21 69 9 Jan 9 40 15 0.0 0 0.0 0 0.0 1 91 34 55 10 Jan 10 50 3 0.0 0 0.0 0 0.7 1 100 23 73 11 Jan 11 50 10 0.0 0 0.0 0 0.8 2 97 15 54 12 Jan 12 41 3 0.0 0 0.0 0 0.0 2 98 35 72 13 Jan 13 37 12 0.0 0 0.0 0 0.0 2 97 36 73 14 Jan 14 36 4 0.0 0 0.0 0 0.0 2 91 42 62 15 Jan 15 47 -2 0.0 0 0.0 0 0.2 2 95 11 46 16 Jan 16 34 9 0.0 0 0.0 0 0.0 2 70 15 50 17 Jan 17 33 2 0.0 0 0.0 0 0.0 2 81 15 45 18 Jan 18 32 -2 0.0 0 0.0 0 0.0 2 88 33 56 19 Jan 19 40 -2 0.0 0 0.0 0 0.0 2 93 25 60 20 Jan 20 45 14 0.0 0 0.0 0 0.0 2 76 14 38 21 Jan 21 37 23 0.0 0 0.0 0 0.0 2 69 31 47 22 Jan 22 43 19 0.0 0 0.0 0 0.0 2 84 27 59 23 Jan 23 44 4 0.0 0 0.0 0 0.0 2 94 30 65 24 Jan 24 34 25 0.0 0 0.0 0 0.0 2 96 76 86 25 Jan 25 38 20 0.0 0 0.0 0 0.0 2 91 49 72 26 Jan 26 47 1 0.0 0 0.0 0 0.2 3 95 24 69 27 Jan 27 40 20 0.0 0 0.0 0 0.0 3 97 45 83 28 Jan 28 33 20 0.0 0 0.0 0 0.0 3 97 71 85 29 Jan 29 37 -3 0.0 0 0.0 0 0.0 3 93 26 62 30 Jan 30 30 16 0.0 0 0.0 0 0.0 3 89 30 61 31 Jan 31 42 10 0.0 0 0.0 0 0.0 3 78 14 38 32 Feb 1 41 25 0.0 0 0.0 0 0.0 3 71 29 47 33 Feb 2 40 25 0.0 0 0.0 0 0.0 3 92 42 68 34 Feb 3 32 26 0.0 0 0.0 0 0.0 3 98 74 89 35 Feb 4 33 -6 0.0 0 0.0 0 0.0 3 97 40 76 36 Feb 5 34 -14 0.0 0 0.0 0 0.0 3 99 28 65 37 Feb 6 46 -2 0.0 0 0.0 0 0.0 3 90 26 50 38 Feb 7 58 4 0.3 0 1.3 1 2.7 5 95 23 57 39 Feb 8 56 18 0.0 0 0.9 2 2.5 8 77 11 41 40 Feb 9 52 10 0.0 0 0.1 2 1.1 9 95 22 61 41 Feb 10 58 11 0.4 1 1.4 4 3.1 12 95 20 69 42 Feb 11 60 14 0.6 1 1.9 6 3.6 16 97 12 60 43 Feb 12 51 18 0.0 1 0.1 6 1.1 17 90 29 58 44 Feb 13 51 20 0.0 1 0.1 6 1.1 18 94 28 57 45 Feb 14 39 22 0.0 1 0.0 6 0.0 18 95 60 85 46 Feb 15 34 17 0.0 1 0.0 6 0.0 18 96 67 82 47 Feb 16 48 11 0.0 1 0.0 6 0.4 18 97 24 52 48 Feb 17 56 18 0.0 1 0.9 7 2.6 21 88 10 47 49 Feb 18 55 14 0.0 1 0.6 7 2.1 23 93 13 58 50 Feb 19 50 21 0.0 1 0.0 7 0.9 24 93 15 58 51 Feb 20 41 27 0.0 1 0.0 7 0.0 24 98 62 78 52 Feb 21 39 25 0.0 1 0.0 7 0.0 24 95 62 83 53 Feb 22 32 28 0.0 1 0.0 7 0.0 24 98 81 93 54 Feb 23 44 27 0.0 1 0.0 7 0.0 24 98 36 74 55 Feb 24 44 32 0.0 1 0.0 7 0.0 24 97 29 68 56 Feb 25 51 26 0.0 1 0.2 8 1.4 25 90 25 59 57 Feb 26 47 20 0.0 1 0.0 8 0.3 25 88 28 55 58 Feb 27 59 12 0.5 2 1.7 9 3.4 29 95 23 61 59 Feb 28 61 23 1.0 3 2.6 12 4.6 33 83 18 46 60 Feb 29 64 21 1.9 5 3.6 16 5.8 39 96 15 54 61 Mar 1 56 30 0.1 5 1.3 17 3.3 42 75 25 45 62 Mar 2 41 25 0.0 5 0.0 17 0.0 42 75 13 40 63 Mar 3 44 21 0.0 5 0.0 17 0.0 42 64 14 38 64 Mar 4 52 26 0.0 5 0.3 17 1.7 44 48 13 24 65 Mar 5 44 19 0.0 5 0.0 17 0.0 44 84 19 39 66 Mar 6 43 19 0.0 5 0.0 17 0.0 44 83 14 38 67 Mar 7 53 18 0.0 5 0.3 17 1.6 46 82 15 37 68 Mar 8 53 29 0.0 5 0.4 18 1.9 48 87 19 35 69 Mar 9 50 27 0.0 5 0.0 18 1.0 49 93 22 55 70 Mar 10 57 19 0.2 5 1.3 19 2.9 52 90 18 52 71 Mar 11 61 19 1.1 6 2.6 22 4.5 56 93 16 52 72 Mar 12 63 23 1.6 8 3.3 25 5.4 62 90 9 40 73 Mar 13 61 31 1.2 9 2.9 28 5.3 67 66 18 35 74 Mar 14 55 34 0.0 9 0.9 29 2.8 70 63 13 32 75 Mar 15 47 23 0.0 9 0.0 29 0.3 70 63 9 24 76 Mar 16 31 18 0.0 9 0.0 29 0.0 70 95 48 74 77 Mar 17 40 15 0.0 9 0.0 29 0.0 70 93 37 71 78 Mar 18 51 18 0.0 9 0.1 29 1.2 71 93 15 47 79 Mar 19 58 16 0.4 9 1.6 31 3.2 74 90 14 45 80 Mar 20 59 32 0.6 10 2.2 33 4.5 79 52 15 30 81 Mar 21 62 17 1.3 11 2.6 36 4.5 83 92 8 40 82 Mar 22 57 19 0.2 11 1.3 37 2.9 86 84 10 34 83 Mar 23 56 19 0.0 11 0.9 38 2.5 89 80 9 26 84 Mar 24 66 14 2.3 14 4.0 42 6.1 95 90 8 37 85 Mar 25 64 33 2.0 16 4.1 46 6.7 102 43 10 24 86 Mar 26 62 42 2.0 18 4.3 50 7.5 109 44 15 26 87 Mar 27 65 39 2.8 21 5.3 55 8.4 118 61 15 32 88 Mar 28 61 26 1.1 22 2.7 58 4.7 122 85 19 45 89 Mar 29 58 40 0.7 22 2.6 61 5.4 128 54 26 40 90 Mar 30 56 37 0.0 22 1.3 62 3.6 131 72 30 49 91 Mar 31 56 28 0.1 22 1.2 63 3.0 134 76 14 42 92 Apr 1 57 19 0.2 23 1.4 64 3.0 137 95 12 40 93 Apr 2 59 37 0.7 23 2.5 67 5.0 142 47 16 25 94 Apr 3 55 27 0.0 23 0.9 68 2.6 145 87 23 49 95 Apr 4 61 21 1.0 24 2.5 70 4.5 149 88 8 26 96 Apr 5 59 38 0.8 25 2.7 73 5.3 155 51 14 27 97 Apr 6 60 26 0.8 26 2.3 75 4.4 159 84 23 43 98 Apr 7 58 28 0.4 26 1.9 77 3.8 163 58 16 34 99 Apr 8 57 16 0.2 27 1.2 78 2.9 166 75 17 36 100 Apr 9 46 33 0.0 27 0.0 78 0.2 166 79 25 50 101 Apr 10 49 27 0.0 27 0.0 78 0.9 167 60 12 28 102 Apr 11 54 23 0.0 27 0.7 79 2.2 169 65 11 26 103 Apr 12 57 28 0.2 27 1.5 80 3.4 173 38 12 22 104 Apr 13 67 29 3.1 30 5.2 86 7.8 180 74 11 28 105 Apr 14 71 22 4.1 34 6.1 92 8.5 189 81 6 31 106 Apr 15 65 46 3.5 37 6.6 98 10.8 200 22 10 15 107 Apr 16 54 32 0.0 37 0.7 99 2.5 202 28 11 19 108 Apr 17 55 21 0.0 37 0.8 100 2.4 204 78 10 26 109 Apr 18 68 21 3.1 40 5.0 105 7.3 212 70 7 26 110 Apr 19 64 38 2.1 43 4.4 109 7.3 219 30 8 17 111 Apr 20 58 38 0.5 43 2.3 112 4.9 224 51 12 26 112 Apr 21 61 38 1.3 45 3.4 115 6.1 230 30 9 19 113 Apr 22 66 21 2.5 47 4.4 119 6.6 237 59 10 20 114 Apr 23 64 40 2.2 49 4.7 124 7.8 245 33 15 22 115 Apr 24 63 32 1.8 51 3.8 128 6.3 251 51 8 23 116 Apr 25 62 27 1.5 53 3.3 131 5.5 256 69 9 25 117 Apr 26 65 24 2.0 55 3.8 135 6.2 263 77 8 28 118 Apr 27 62 23 1.2 56 2.9 138 5.0 268 63 7 18 119 Apr 28 73 17 4.4 60 6.4 144 8.8 276 70 6 24 120 Apr 29 71 40 5.3 65 8.1 152 11.4 288 33 9 16 121 Apr 30 63 47 2.6 68 5.6 158 10.1 298 34 13 19 122 May 1 53 28 0.0 68 0.5 159 2.1 300 60 6 22 123 May 2 55 24 0.0 68 0.9 159 2.5 302 52 8 21 124 May 3 65 17 2.0 70 3.6 163 5.7 308 67 11 29 125 May 4 68 25 3.1 73 5.1 168 7.4 316 68 12 29 126 May 5 66 24 2.6 76 4.5 173 6.9 323 76 11 36 127 May 6 60 34 0.9 77 2.7 175 5.1 328 90 23 61 128 May 7 67 38 3.4 80 5.8 181 9.0 337 72 22 46 129 May 8 67 36 3.1 83 5.6 187 8.4 345 69 15 35 130 May 9 66 30 2.8 86 4.8 192 7.3 352 78 14 32 131 May 10 71 29 4.3 90 6.6 198 9.4 362 82 15 36 132 May 11 70 34 4.3 95 6.8 205 9.7 372 80 11 32 133 May 12 65 39 2.9 97 5.2 210 8.3 380 92 15 27 134 May 13 46 31 0.0 97 0.0 210 0.1 380 100 60 85 135 May 14 62 34 1.4 99 3.3 214 6.0 386 90 23 48 136 May 15 63 44 2.3 101 5.0 219 8.4 394 80 22 47 137 May 16 65 40 3.0 104 5.5 224 8.7 403 79 22 48 138 May 17 75 32 6.0 110 8.7 233 11.5 415 88 12 44 139 May 18 82 34 9.4 120 12.2 245 15.3 430 78 9 33 140 May 19 86 42 12.1 132 15.4 260 19.2 449 62 9 23 141 May 20 84 58 16.0 148 21.0 281 26.0 475 33 10 18 142 May 21 64 37 2.3 150 4.7 286 7.6 483 64 11 29 143 May 22 49 31 0.0 150 0.0 286 0.9 484 94 29 61 144 May 23 46 31 0.0 150 0.0 286 0.1 484 99 52 86 145 May 24 47 33 0.0 150 0.0 286 0.3 484 94 59 79 146 May 25 60 38 1.1 151 3.1 289 5.9 490 84 23 54 147 May 26 57 37 0.3 151 1.9 291 4.3 494 79 37 58 148 May 27 67 27 2.9 154 4.9 296 7.2 501 94 13 43 149 May 28 65 48 3.7 158 6.9 303 11.6 513 43 11 29 150 May 29 66 38 3.2 161 5.7 309 8.7 522 78 15 32 151 May 30 72 27 4.7 166 7.0 316 9.6 531 82 8 32 152 May 31 76 41 7.7 174 10.8 326 14.4 546 43 12 22 153 Jun 1 78 47 9.2 183 12.8 339 17.4 563 34 9 19 154 Jun 2 75 50 8.5 191 12.5 352 17.4 580 42 13 22 155 Jun 3 74 46 7.3 199 10.6 362 15.0 595 45 10 22 156 Jun 4 67 42 3.7 202 6.4 369 9.8 605 83 17 33 157 Jun 5 67 37 3.1 206 5.6 374 8.6 614 77 18 45 158 Jun 6 75 39 6.7 212 9.6 384 12.7 626 70 14 30 159 Jun 7 74 53 9.0 221 13.7 398 18.7 645 36 18 24 160 Jun 8 77 40 7.9 229 10.8 408 14.5 660 70 11 33 161 Jun 9 82 30 8.7 238 11.5 420 14.3 674 77 8 28 162 Jun 10 80 39 9.1 247 12.1 432 15.6 690 57 8 20 163 Jun 11 75 46 7.8 255 11.2 443 15.6 705 45 10 21 164 Jun 12 79 29 7.4 262 9.9 453 12.8 718 69 7 27 165 Jun 13 83 30 9.3 271 12.0 465 15.2 733 84 8 30 166 Jun 14 86 35 10.8 282 13.9 479 17.3 751 73 7 25 167 Jun 15 86 52 14.5 297 19.1 498 24.1 775 62 11 21 168 Jun 16 86 53 14.6 311 19.3 518 24.3 799 46 12 24 169 Jun 17 85 55 15.3 327 20.3 538 25.3 824 64 14 27 170 Jun 18 86 54 15.3 342 20.2 558 25.2 849 52 7 21 171 Jun 19 88 47 13.7 356 17.8 576 22.4 872 63 5 19 172 Jun 20 89 35 12.0 368 14.9 591 18.5 890 72 6 29 173 Jun 21 88 37 12.1 380 15.3 606 18.9 909 68 6 25 174 Jun 22 85 59 17.0 397 22.0 628 27.0 936 36 12 21 175 Jun 23 84 52 13.5 410 18.2 646 23.2 959 56 12 23 176 Jun 24 82 52 12.4 423 17.0 663 22.0 981 38 12 22 177 Jun 25 81 52 11.8 434 16.4 680 21.4 1003 49 13 27 178 Jun 26 81 59 14.9 449 19.9 699 24.9 1028 47 15 29 179 Jun 27 83 54 13.9 463 18.7 718 23.7 1051 54 14 31 180 Jun 28 85 59 17.1 480 22.1 740 27.1 1079 47 11 23 181 Jun 29 87 48 13.8 494 17.9 758 22.5 1101 75 11 30 182 Jun 30 86 44 12.4 507 16.0 774 20.1 1121 86 17 44 183 Jul 1 85 57 15.8 522 20.8 795 25.8 1147 80 17 39 184 Jul 2 87 47 13.2 536 17.1 812 21.7 1169 89 14 40 185 Jul 3 89 44 13.5 549 17.1 829 21.5 1190 85 11 36 186 Jul 4 82 63 17.9 567 22.9 852 27.9 1218 63 24 42 187 Jul 5 81 58 14.2 581 19.2 871 24.2 1242 82 25 46 188 Jul 6 80 52 11.6 593 16.2 887 21.2 1263 84 28 56 189 Jul 7 82 46 11.0 604 14.7 902 19.0 1282 93 17 50 190 Jul 8 88 40 12.4 616 15.9 918 19.4 1302 91 10 43 191 Jul 9 85 53 14.6 631 19.3 937 24.3 1326 70 14 40 192 Jul 10 85 61 18.0 649 23.0 960 28.0 1354 79 17 48 193 Jul 11 76 61 13.9 663 18.9 979 23.9 1378 81 42 59 194 Jul 12 79 58 13.1 676 18.1 997 23.1 1401 93 36 76 195 Jul 13 79 57 12.8 689 17.8 1015 22.8 1424 95 32 71 196 Jul 14 74 56 9.9 699 14.9 1030 19.9 1444 96 44 83 197 Jul 15 74 54 9.2 708 14.0 1044 19.0 1463 97 48 79 198 Jul 16 80 54 12.3 720 17.4 1061 22.4 1485 86 25 50 199 Jul 17 83 56 15.0 735 20.0 1081 25.0 1510 71 16 42 200 Jul 18 85 51 13.4 748 17.7 1099 22.7 1533 85 19 45 201 Jul 19 87 57 16.7 765 21.7 1121 26.7 1560 80 16 44 202 Jul 20 76 60 13.1 778 18.1 1139 23.1 1583 90 47 76 203 Jul 21 80 56 13.1 791 18.1 1157 23.1 1606 93 38 66 204 Jul 22 83 57 15.3 807 20.3 1177 25.3 1631 91 33 63 205 Jul 23 85 59 17.1 824 22.1 1199 27.1 1658 88 29 58 206 Jul 24 86 58 17.0 841 22.0 1221 27.0 1685 73 24 46 207 Jul 25 85 58 16.5 857 21.5 1243 26.5 1712 95 24 53 208 Jul 26 80 55 12.3 869 17.2 1260 22.2 1734 98 33 70 209 Jul 27 79 59 13.9 883 18.9 1279 23.9 1758 83 39 62 210 Jul 28 82 57 14.3 898 19.3 1298 24.3 1782 76 28 48 211 Jul 29 86 56 16.2 914 21.2 1319 26.2 1808 68 21 35 212 Jul 30 87 59 17.8 932 22.8 1342 27.8 1836 45 15 28 213 Jul 31 90 60 19.3 951 24.3 1367 29.3 1865 56 13 27 214 Aug 1 92 51 16.1 967 20.5 1387 25.5 1891 80 13 36 215 Aug 2 90 64 21.3 988 26.3 1413 31.3 1922 65 9 32 216 Aug 3 87 61 18.8 1007 23.8 1437 28.8 1951 83 23 51 217 Aug 4 81 60 15.5 1023 20.5 1458 25.5 1976 83 33 57 218 Aug 5 78 57 12.5 1035 17.5 1475 22.5 1999 93 40 70 219 Aug 6 78 56 11.7 1047 16.7 1492 21.7 2021 97 40 75 220 Aug 7 85 49 13.0 1060 17.0 1509 21.9 2043 97 28 63 221 Aug 8 77 59 12.9 1073 17.9 1527 22.9 2065 95 42 71 222 Aug 9 74 57 10.5 1083 15.5 1542 20.5 2086 95 46 78 223 Aug 10 81 56 13.2 1096 18.2 1560 23.2 2109 90 32 69 224 Aug 11 84 48 12.6 1109 16.5 1577 21.2 2130 96 23 56 225 Aug 12 87 50 14.2 1123 18.2 1595 23.2 2154 90 20 46 226 Aug 13 87 55 15.8 1139 20.8 1616 25.8 2179 78 17 44 227 Aug 14 83 60 16.4 1155 21.4 1637 26.4 2206 73 22 49 228 Aug 15 84 58 16.1 1172 21.1 1658 26.1 2232 78 22 50 229 Aug 16 79 53 11.2 1183 15.9 1674 20.9 2253 94 33 68 230 Aug 17 78 54 10.9 1194 15.9 1690 20.9 2274 83 29 58 231 Aug 18 81 54 12.6 1206 17.5 1708 22.5 2296 91 30 61 232 Aug 19 80 54 12.2 1218 17.0 1725 22.0 2318 87 24 57 233 Aug 20 79 56 12.4 1231 17.4 1742 22.4 2341 68 24 42 234 Aug 21 82 50 11.8 1243 15.7 1758 20.8 2361 70 12 37 235 Aug 22 82 53 12.9 1256 17.7 1776 22.7 2384 57 20 35 236 Aug 23 85 48 12.9 1268 17.0 1792 21.7 2406 81 19 42 237 Aug 24 87 54 15.5 1284 20.3 1813 25.3 2431 87 19 47 238 Aug 25 80 54 12.1 1296 16.9 1830 21.9 2453 88 27 62 239 Aug 26 79 53 11.6 1308 16.4 1846 21.4 2474 93 33 69 240 Aug 27 84 46 11.8 1319 15.7 1862 20.0 2494 98 23 64 241 Aug 28 88 51 14.9 1334 19.4 1881 24.4 2519 98 11 52 242 Aug 29 86 49 13.7 1348 17.9 1899 22.7 2542 96 20 65 243 Aug 30 81 58 14.2 1362 19.2 1918 24.2 2566 91 34 67 244 Aug 31 71 56 8.9 1371 13.9 1932 18.9 2585 94 49 81 245 Sep 1 74 57 10.1 1381 15.1 1947 20.1 2605 90 43 70 246 Sep 2 80 44 9.3 1391 12.6 1960 16.6 2621 98 24 59 247 Sep 3 80 41 9.1 1400 12.2 1972 15.9 2637 95 15 51 248 Sep 4 82 34 9.1 1409 11.9 1984 15.2 2652 90 10 46 --- ------ --- --- ---- ---- ---- ---- ---- ---- --- --- --- DOY Date Max Min HU CUM HU CUM HU CUM Max Min Ave ========== ========== ========== =========== 85/55 86/50 86/45 RH Flagstaff