R-value (MJ mm∙ha−1∙h−1∙year−1) | ||||||||||||
| Singh et al. Model [32] | Eltaif et al. Model [32] | El-Swaify et al. Model [32] | |||||||||
Weather station | Mean annual | Autumn | Winter | Spring | Mean annual | Autumn | Winter | spring | Mean annual | Autumn | Winter | Spring |
Kufr Saum | 267 | 101 | 197 | 127 | 284 | 31 | 113 | 44 | 220 | 60 | 153 | 85 |
Kharja | 245 | 98 | 187 | 118 | 212 | 30 | 99 | 39 | 198 | 57 | 143 | 76 |
Um Qeis | 251 | 103 | 194 | 117 | 230 | 32 | 109 | 39 | 204 | 61 | 150 | 75 |
Baqura AGR | 221 | 100 | 168 | 111 | 153 | 31 | 77 | 36 | 175 | 58 | 124 | 69 |
Ramtha | 181 | 91 | 146 | 105 | 91 | 28 | 57 | 34 | 137 | 50 | 103 | 64 |
Irbid | 229 | 99 | 171 | 117 | 172 | 31 | 80 | 39 | 183 | 58 | 127 | 75 |
Rwaished | 106 | 84 | 92 | 89 | 34 | 25 | 28 | 27 | 65 | 43 | 51 | 48 |
Gumaim | 246 | 103 | 201 | 124 | 215 | 32 | 118 | 43 | 200 | 61 | 156 | 82 |
Deir Abi Said | 299 | 99 | 187 | 120 | 214 | 31 | 98 | 41 | 199 | 58 | 142 | 78 |
Husn | 225 | 94 | 173 | 114 | 163 | 29 | 82 | 37 | 179 | 53 | 129 | 72 |
Khanasira | 160 | 91 | 145 | 106 | 69 | 28 | 57 | 34 | 117 | 50 | 103 | 65 |
Wadi EL Yabis | 197 | 95 | 155 | 105 | 113 | 29 | 64 | 34 | 153 | 54 | 112 | 64 |
Ibbin | 293 | 105 | 213 | 133 | 401 | 33 | 139 | 48 | 245 | 63 | 168 | 91 |
Mafraq | 138 | 87 | 117 | 95 | 52 | 26 | 39 | 29 | 96 | 47 | 75 | 54 |
Ajloun | 311 | 106 | 227 | 136 | 505 | 34 | 167 | 50 | 262 | 64 | 181 | 93 |
Um-Quttein | 143 | 88 | 118 | 99 | 55 | 27 | 40 | 31 | 100 | 47 | 76 | 58 |
Kufrenja | 303 | 106 | 226 | 132 | 456 | 34 | 164 | 47 | 254 | 64 | 180 | 89 |
Jarash | 207 | 94 | 162 | 112 | 128 | 29 | 71 | 37 | 162 | 53 | 118 | 71 |
Deir Alla NRA | 186 | 92 | 146 | 105 | 97 | 28 | 57 | 34 | 141 | 51 | 103 | 64 |
Safawi | 104 | 84 | 95 | 86 | 33 | 25 | 29 | 26 | 62 | 43 | 54 | 46 |
Sukhna | 145 | 88 | 120 | 95 | 57 | 26 | 41 | 29 | 102 | 47 | 78 | 54 |
Jubeiha | 251 | 97 | 188 | 124 | 229 | 30 | 100 | 43 | 204 | 56 | 144 | 82 |
Salt | 305 | 102 | 225 | 134 | 470 | 32 | 162 | 49 | 257 | 61 | 179 | 92 |
Ministry of Water | 278 | 99 | 207 | 131 | 328 | 31 | 128 | 47 | 230 | 58 | 162 | 89 |
Sahab | 258 | 88 | 143 | 105 | 250 | 27 | 55 | 34 | 211 | 47 | 100 | 64 |
Na’ur | 255 | 102 | 198 | 129 | 243 | 32 | 114 | 46 | 209 | 60 | 153 | 87 |
EL -Muwaggar | 171 | 86 | 129 | 98 | 80 | 26 | 46 | 30 | 127 | 45 | 87 | 57 |
Madaba | 200 | 93 | 159 | 112 | 117 | 28 | 68 | 37 | 155 | 52 | 116 | 71 |
Jiza | 156 | 87 | 126 | 100 | 65 | 26 | 44 | 31 | 112 | 47 | 84 | 59 |
Wadi Wala | 168 | 89 | 139 | 108 | 77 | 27 | 52 | 35 | 125 | 48 | 96 | 67 |
Rabba | 201 | 92 | 157 | 111 | 119 | 28 | 66 | 36 | 156 | 51 | 113 | 69 |
Karak | 209 | 91 | 160 | 113 | 131 | 28 | 69 | 37 | 163 | 50 | 116 | 71 |
Mazar | 194 | 91 | 155 | 112 | 109 | 28 | 65 | 37 | 150 | 50 | 112 | 70 |