******************************* * * * AZMET STATE WEATHER SUMMARY * * * * AUG 20 2008 * * * ******************************* LOCATION TX TN TM RHX RHN RHM TD SR PPT ST1 ST2 WS WD ET HU ----------- --- --- --- --- --- --- --- --- ---- --- --- ---- --- ---- ---- Aguila 101 68 87 54 12 23 42 634 0.00 92 90 5.4 185 0.34 24.8 Bowie 94 64 77 92 18 54 56 600 0.00 81 79 3.1 274 0.24 22.1 UA Citrus Fm 105 72 92 61 12 26 49 604 0.00 96 92 2.5 224 0.29 27.0 Coolidge 106 69 86 87 15 48 61 636 0.00 94 94 2.5 177 0.28 25.7 Desert Ridge 101 76 89 62 14 32 53 597 0.00 86 83 2.9 242 0.28 28.4 Harquahala 106 72 90 56 11 28 48 611 0.00 98 94 4.7 201 0.33 27.0 Kansas Sett. 92 58 74 100 14 63 56 643 0.00 79 78 3.4 208 0.26 18.7 Marana 104 74 89 61 13 33 53 625 0.00 98 93 4.5 87 0.30 27.7 Maricopa 106 77 91 58 12 31 54 639 0.00 84 87 4.0 191 0.31 28.8 Mesa 107 82 95 37 12 25 52 592 0.00 98 92 2.7 101 0.29 30.4 Mohave 103 60 81 76 11 43 54 626 0.00 93 94 2.5 156 0.26 22.0 Mohave 2 104 69 88 59 7 22 42 648 0.00 999 999 4.0 158 0.33 25.6 Prescott 87 57 73 75 17 38 44 655 0.00 77 74 5.4 214 0.29 16.9 Phx.Greenway 103 79 91 56 13 29 52 625 0.00 81 80 2.2 199 0.29 29.2 Queen Creek 106 72 90 63 12 30 52 623 0.00 99 96 5.1 129 0.33 26.8 Roll 109 68 88 74 12 38 56 627 0.00 92 89 2.2 244 0.28 25.7 Safford 94 64 79 88 18 52 58 591 0.00 79 81 3.8 322 0.26 22.0 Yuma Mesa 107 70 90 67 9 28 47 614 0.00 98 96 2.9 275 0.30 26.3 Yuma N. Gila 107 71 90 62 8 23 43 585 0.00 97 93 3.4 235 0.30 26.6 ************************************************************************* * ABBREVIATIONS AND UNITS * * * * TX:Maximum Temp.(deg F) PPT:Precipitation (inches) * * TN:Minimum Temp.(deg F) ST1:Mean Soil Temp. 4 in (deg F) * * TM:Mean Temp.(deg F) ST2:Mean Soil Temp. 20 in (deg F) * * RHX:Maximum Rel.Humidity (%) WS:Mean Wind Speed (mph) * * RHN:Minimum Rel.Humidity (%) WD:Wind Vector Direction (deg) * * RHM:Mean Rel.Humidity (%) ET:Ref. Evapotranspiration (inches) * * TD:Mean Dewpoint (deg F) HU:Heat Units (86/55F) * * SR:Solar Radiation (Langleys) ## or 999 : Missing Data * ************************************************************************* The Arizona Meteorological Network(AZMET) is operated by the University of Arizona Cooperative Extension Service. For more information call the Extension Biometeorology Program at 520-621-1319.

HEAT UNITS Accumulated since Jan 1 2008 ===================================== STATION DATE 86/55 86/50 86/45 =========== ======== ======= ======= ======= Aguila Aug 20 3152 3998 4952 * Bonita Aug 19 * 2377 3108 3934 Bowie Aug 20 2884 3714 4645 * Buckeye Aug 19 * 3638 4563 5581 Coolidge Aug 20 3304 4171 5136 Desert Ridge Aug 20 3567 4512 5559 * Flagstaff Aug 19 * 1217 1724 2319 Harquahala Aug 20 3486 4385 5378 Kansas Sett. ^ Aug 20 2370 3107 3932 Marana Aug 20 3622 4553 5581 Maricopa Aug 20 3678 4609 5621 Mesa Aug 20 4195 5215 6312 Mohave Aug 20 3502 4413 5407 Mohave 2 Aug 20 3490 4393 5383 * Paloma Aug 19 * 3502 4393 5370 * Parker Aug 19 * 3773 4719 5738 * Payson Aug 19 * 1840 2474 3209 Prescott Aug 20 1833 2479 3226 * Phx Encanto Aug 19 * 3713 4672 5711 Phx Greenway Aug 20 3737 4707 5762 Queen Creek Aug 20 3429 4334 5327 Roll Aug 20 3650 4575 5585 Safford Aug 20 2966 3786 4701 * Tucson Aug 19 * 3276 4162 5138 Citrus Farm Aug 20 3516 4422 5420 Yuma N.Gila Aug 20 3734 4702 5764 * Yuma Valley Aug 19 * 3828 4800 5862 DATE = Last day station reported. Sine Curve Heat Units current thru this date. * = Station not up to date

Reference Evapotranspiration ETo Accumulated since Jan 1 2008 ================================ Units = inches Original Penman AZMET Monteith Precipitation =========== =========== ============= STATION DATE DAY CUM DAY CUM DAY CUM ============ ========= ---- ------ ---- ------ ---- ------ Aguila Aug 20 0.34 61.29 0.31 55.35 0.00 4.49 * Bonita Aug 19 * 0.26 52.86 0.24 47.01 0.00 5.64 Bowie Aug 20 0.24 57.52 0.22 51.80 0.00 7.33 * Buckeye Aug 19 * 0.31 57.78 0.27 51.94 0.00 2.26 Coolidge Aug 20 0.28 52.39 0.25 48.85 0.00 3.62 Desert Ridge Aug 20 0.28 54.58 0.24 48.16 0.00 4.52 * Flagstaff Aug 19 * 0.24 42.83 0.21 37.12 0.00 9.75 Harquahala Aug 20 0.33 59.47 0.30 54.29 0.00 3.41 Kansas Sett.^ Aug 20 0.26 54.46 0.23 49.66 0.00 6.70 Marana Aug 20 0.30 58.73 0.29 55.58 0.00 4.75 Maricopa Aug 20 0.31 58.53 0.29 53.55 0.00 4.93 Mesa Aug 20 0.29 56.52 0.25 48.82 0.00 7.46 Mohave Aug 20 0.26 62.98 0.23 56.94 0.00 3.78 Mohave 2 Aug 20 0.33 61.67 0.29 55.05 0.00 2.84 * Paloma Aug 19 * 0.29 56.07 0.27 52.21 0.00 2.32 * Parker Aug 19 * 0.33 62.00 0.35 59.63 0.00 1.97 * Payson Aug 19 * 0.24 45.13 0.20 36.43 0.00 14.02 Prescott Aug 20 0.29 44.71 0.25 40.12 0.00 8.04 * Phx Encanto Aug 19 * 0.29 52.80 0.24 44.05 0.00 6.81 Phx Greenway Aug 20 0.29 54.43 0.23 45.57 0.00 5.35 Queen Creek Aug 20 0.33 54.40 0.32 50.13 0.00 4.67 Roll Aug 20 0.28 55.50 0.25 50.35 0.00 1.10 Safford Aug 20 0.26 57.41 0.23 53.97 0.00 0.95 * Tucson Aug 19 * 0.28 56.04 0.25 50.03 0.00 9.17 Citrus Farm Aug 20 0.29 52.70 0.24 42.80 0.00 2.32 Yuma N.Gila Aug 20 0.30 58.95 0.26 53.74 0.00 0.63 * Yuma Valley Aug 19 * 0.32 61.93 0.29 57.92 0.00 0.44 DATE = Last day station reported. * = Station not up to date