Parker-2 : 2025 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, 2025 * = Missing data. Max, Min Temps and Heat Units Estimated. Temperature and Heat Units are in Fahrenheit Units Heat Units calculated by Single Sine Method 86/55 86/50 86/45 94/55 RH ========== ========== ========== ========== =========== DOY Date Max Min HU CUM HU CUM HU CUM HU CUM Max Min Ave --- ------ --- --- ---- ---- ---- ---- ---- ---- ---- ---- --- --- --- 1 Jan 1 70 35 4.6 5 7.1 7 10.0 10 4.6 5 84 17 50 2 Jan 2 72 33 5.0 10 7.5 15 10.4 20 5.0 10 82 17 52 3 Jan 3 71 36 4.9 15 7.5 22 10.6 31 4.9 15 80 15 46 4 Jan 4 74 36 5.8 20 8.5 31 11.8 43 5.8 20 82 15 38 5 Jan 5 72 38 5.4 26 8.2 39 11.5 54 5.4 26 65 13 35 6 Jan 6 72 34 5.2 31 7.7 47 10.9 65 5.2 31 84 14 47 7 Jan 7 71 35 4.7 36 7.2 54 10.2 75 4.7 36 81 18 41 8 Jan 8 69 51 5.8 41 10.0 64 15.0 90 5.8 41 37 16 25 9 Jan 9 67 41 3.6 45 6.2 70 9.5 100 3.6 45 45 12 23 10 Jan 10 66 34 2.7 48 4.9 75 7.5 107 2.7 48 69 11 35 11 Jan 11 69 27 3.7 51 5.9 81 8.5 116 3.7 51 82 10 38 12 Jan 12 64 40 2.3 54 4.7 85 7.8 124 2.3 54 45 14 26 13 Jan 13 64 39 2.3 56 4.7 90 7.6 131 2.3 56 43 14 26 14 Jan 14 65 30 2.1 58 4.2 94 6.7 138 2.1 58 68 13 31 15 Jan 15 70 29 4.0 62 6.2 101 8.8 147 4.0 62 71 10 37 16 Jan 16 71 33 4.8 67 7.3 108 10.2 157 4.8 67 64 9 33 17 Jan 17 69 32 3.7 71 5.9 114 8.7 166 3.7 71 81 15 42 18 Jan 18 73 30 5.0 76 7.3 121 10.1 176 5.0 76 82 16 43 19 Jan 19 66 29 2.5 78 4.5 126 7.0 183 2.5 78 69 7 35 20 Jan 20 63 27 1.6 80 3.4 129 5.7 189 1.6 80 72 11 29 21 Jan 21 61 28 1.1 81 2.8 132 5.0 194 1.1 81 51 5 18 22 Jan 22 68 28 3.1 84 5.1 137 7.7 201 3.1 84 54 5 22 23 Jan 23 67 32 3.1 87 5.3 142 7.9 209 3.1 87 48 5 16 24 Jan 24 66 23 2.5 90 4.4 147 6.8 216 2.5 90 64 5 28 25 Jan 25 65 25 2.2 92 4.1 151 6.3 222 2.2 92 70 7 37 26 Jan 26 66 31 2.8 95 4.9 156 7.7 230 2.8 95 78 28 52 27 Jan 27 61 37 1.4 96 3.4 159 6.1 236 1.4 96 95 43 68 28 Jan 28 63 29 1.6 98 3.6 163 6.0 242 1.6 98 96 31 67 29 Jan 29 66 34 2.8 100 5.0 168 7.8 250 2.8 100 83 24 52 30 Jan 30 67 30 3.1 103 5.2 173 7.8 258 3.1 103 85 26 57 31 Jan 31 70 32 4.4 108 6.8 180 9.3 267 4.4 108 84 23 54 32 Feb 1 74 35 6.0 114 8.7 188 11.9 279 6.0 114 85 19 53 33 Feb 2 80 39 9.1 123 12.2 200 15.4 294 9.1 123 82 18 49 34 Feb 3 88 41 12.7 136 16.2 217 19.7 314 12.8 136 81 15 47 35 Feb 4 83 45 11.1 147 14.6 231 18.7 333 11.1 147 77 18 46 36 Feb 5 79 41 8.7 155 11.8 243 15.3 348 8.7 156 77 21 44 37 Feb 6 77 40 7.6 163 10.7 254 14.3 362 7.6 163 87 28 55 38 Feb 7 78 47 9.4 172 13.0 267 17.7 380 9.4 173 83 34 56 39 Feb 8 76 57 11.3 184 16.3 283 21.3 401 11.3 184 69 15 30 40 Feb 9 74 43 6.9 191 10.0 293 13.7 415 6.9 191 60 10 32 --- ------ --- --- ---- ---- ---- ---- ---- ---- ---- ---- --- --- --- DOY Date Max Min HU CUM HU CUM HU CUM HU CUM Max Min Ave ========== ========== ========== ========== =========== 86/55 86/50 86/45 94/55 RH Parker-2