411
FNUS55 KTWC 182309
FWFTWC
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST ARIZONA
NATIONAL WEATHER SERVICE TUCSON AZ
409 PM MST THU JUN 18 2026
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
20-FOOT WIND FORECAST OF 'LIGHT WINDS' INDICATES MAINLY
TERRAIN DRIVEN WINDS
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
DISCUSSION
WINDS WILL REMAIN WEST/NORTHWEST THROUGH THIS
WEEK WITH SPEEDS OF 10-20 MPH AND GUSTS 25-30 MPH ACROSS MUCH OF THE
AREA WITH STRONGER SPEEDS OF 15-25 MPH AND GUSTS TO 35 MPH IN LOWER
ELEVATIONS OF GRAHAM COUNTY. A DRYING TREND WILL OCCUR IN THE
COMING DAYS AS MINIMUM RELATIVE HUMIDITY VALUES FALL TO 5 TO 15
PERCENT IN THE VALLEYS AND 10 TO 20 PERCENT IN THE MOUNTAINS BY
THIS WEEKEND. ENOUGH LINGERING MOISTURE WILL EXIST TODAY FOR
THUNDERSTORM CHANCES OVER THE WHITE MOUNTAINS AS WELL AS A
SLIGHT CHANCE NEAR THE INTERNATIONAL BORDER AND NEAR THE NEW
MEXICO BORDER (CHANCE OF WETTING RAIN MUCH LOWER IN THESE
SOUTHERN AREAS). THE FORECAST THEN REMAINS DRY FRIDAY THROUGH
MUCH OF NEXT WEEK.
AZZ150-191415-
ARIZONA FIRE WEATHER ZONE 150
SONORAN FDRA-MOST OF PIMA COUNTY-SOUTH CENTRAL PINAL COUNTY-
TOHONO O'ODHAM NATION-TUCSON METROPOLITAN AREA-TDC-
409 PM MST THU JUN 18 2026
TONIGHT
* SKY/WEATHER..............MOSTLY CLEAR (10-20 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........65 TO 75 DEGS.
24 HR TREND...........DOWN 3 TO 6 DEGS.
* MAX HUMIDITY.............23 TO 33 PCT.
24 HR TREND...........DOWN 27 TO 31 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST AROUND 15 MPH SHIFTING TO THE
SOUTH AFTER MIDNIGHT.
* 10000 FT MSL WIND........SOUTH 10 TO 15 MPH.
JUNETEENTH
* SKY/WEATHER..............MOSTLY SUNNY (0-10 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........95 TO 105 DEGS.
24 HR TREND...........UP 1 DEG.
* MIN HUMIDITY.............8 TO 16 PCT.
24 HR TREND...........DOWN 3 TO 6 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTH 20 TO 25 MPH.
* MIXING HEIGHT............12279 FT AGL.
* TRANSPORT WINDS..........SOUTH 14 TO 19 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (233301 KNOT-FT).
FRIDAY NIGHT
* SKY/WEATHER..............MOSTLY CLEAR (5-15 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........64 TO 74 DEGS.
24 HR TREND...........DOWN 1 TO 4 DEGS.
* MAX HUMIDITY.............16 TO 26 PCT.
24 HR TREND...........DOWN 5 TO 9 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTH 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTH AROUND 15 MPH INCREASING TO AROUND
25 MPH AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER..............MOSTLY SUNNY (0-10 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........95 TO 105 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MIN HUMIDITY.............5 TO 11 PCT.
24 HR TREND...........DOWN 2 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING SOUTHWEST AROUND 15
MPH IN THE AFTERNOON.
* 10000 FT MSL WIND........SOUTHWEST 15 TO 20 MPH.
* MIXING HEIGHT............10801 FT AGL.
* TRANSPORT WINDS..........SOUTH 11 TO 15 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (162015 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SUNDAY
CLEAR. LOWS 64 TO 74. HIGHS 96 TO 106. LIGHT WINDS.
MINIMUM HUMIDITY 5 TO 9 PCT.
MONDAY
CLEAR. LOWS 65 TO 75. HIGHS 97 TO 107. LIGHT WINDS.
MINIMUM HUMIDITY 7 TO 13 PCT.
TUESDAY
CLEAR. LOWS 68 TO 78. HIGHS 100 TO 110. LIGHT WINDS.
MINIMUM HUMIDITY 8 TO 15 PCT.
WEDNESDAY
MOSTLY CLEAR. LOWS 71 TO 81. HIGHS 101 TO 111.
THURSDAY
MOSTLY CLEAR. LOWS 73 TO 83. HIGHS 102 TO 112.
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)
AZZ151-191415-
ARIZONA FIRE WEATHER ZONE 151
WESTERN HALF DESERT GRASSLANDS FDRA INCLUDING ELEVATIONS UP TO
5500 FEET IN SOUTHEAST CORNER OF PINAL COUNTY-
EXTREME EASTERN PIMA COUNTY-WESTERN THIRD OF COCHISE COUNTY-
SANTA CRUZ COUNTY-TDC-
409 PM MST THU JUN 18 2026
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (20-30 PCT).
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........61 TO 71 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MAX HUMIDITY.............32 TO 42 PCT.
24 HR TREND...........DOWN 47 TO 51 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH.
* 10000 FT MSL WIND........WEST 10 TO 15 MPH.
JUNETEENTH
* SKY/WEATHER..............MOSTLY SUNNY (5-15 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........90 TO 100 DEGS.
24 HR TREND...........UP 3 TO 6 DEGS.
* MIN HUMIDITY.............9 TO 18 PCT.
24 HR TREND...........DOWN 4 TO 8 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST 10 TO 15 MPH.
* MIXING HEIGHT............9655 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 12 TO 14 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (135170 KNOT-FT).
FRIDAY NIGHT
* SKY/WEATHER..............MOSTLY CLEAR (5-15 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........60 TO 70 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MAX HUMIDITY.............21 TO 31 PCT.
24 HR TREND...........DOWN 6 TO 10 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST AROUND 10 MPH INCREASING TO
SOUTH AROUND 20 MPH AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER..............MOSTLY SUNNY (0-10 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........91 TO 101 DEGS.
24 HR TREND...........UP 1 TO 4 DEGS.
* MIN HUMIDITY.............6 TO 13 PCT.
24 HR TREND...........DOWN 3 TO 6 PCT.
* WIND (20 FT/10-MIN AVG)..SOUTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST 15 TO 20 MPH.
* MIXING HEIGHT............8558 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 14 TO 17 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (145486 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SUNDAY
CLEAR. LOWS 59 TO 69. HIGHS 92 TO 102. SOUTHWEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 6 TO 11 PCT.
MONDAY
CLEAR. LOWS 60 TO 70. HIGHS 93 TO 103. WEST WIND AROUND
15 MPH. MINIMUM HUMIDITY 8 TO 16 PCT.
TUESDAY
CLEAR. LOWS 64 TO 74. HIGHS 95 TO 105. NORTHWEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 9 TO 17 PCT.
WEDNESDAY
MOSTLY CLEAR. LOWS 66 TO 76. HIGHS 96 TO 106.
THURSDAY
MOSTLY CLEAR. LOWS 67 TO 77. HIGHS 96 TO 106.
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
AZZ152-191415-
ARIZONA FIRE WEATHER ZONE 152
EASTERN HALF DESERT GRASSLANDS FDRA INCLUDING ELEVATIONS UP TO
5500 FEET IN SOUTHWEST GRAHAM COUNTY AND EASTERN TWO THIRDS OF
COCHISE COUNTY-SOUTHERN SAN CARLOS RESERVATION-
SOUTHERN GREENLEE COUNTY BELOW 5000 FEET-TDC-
409 PM MST THU JUN 18 2026
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (35-45 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........10 PCT.
* MIN TEMPERATURE..........61 TO 71 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MAX HUMIDITY.............38 TO 48 PCT.
24 HR TREND...........DOWN 24 TO 28 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH.
* 10000 FT MSL WIND........NORTHWEST AROUND 20 MPH DECREASING TO
AROUND 10 MPH AFTER MIDNIGHT.
JUNETEENTH
* SKY/WEATHER..............MOSTLY SUNNY (15-25 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........91 TO 101 DEGS.
24 HR TREND...........UP 2 TO 5 DEGS.
* MIN HUMIDITY.............8 TO 17 PCT.
24 HR TREND...........DOWN 5 TO 9 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH.
* 10000 FT MSL WIND........WEST 10 TO 15 MPH.
* MIXING HEIGHT............10706 FT AGL.
* TRANSPORT WINDS..........WEST 11 TO 14 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (149884 KNOT-FT).
FRIDAY NIGHT
* SKY/WEATHER..............MOSTLY CLEAR (5-15 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........61 TO 71 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MAX HUMIDITY.............22 TO 32 PCT.
24 HR TREND...........DOWN 5 TO 9 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH.
* 10000 FT MSL WIND........WEST 15 TO 20 MPH.
SATURDAY
* SKY/WEATHER..............MOSTLY SUNNY (5-15 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........92 TO 102 DEGS.
24 HR TREND...........UP 1 DEG.
* MIN HUMIDITY.............5 TO 14 PCT.
24 HR TREND...........DOWN 2 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST 15 TO 20 MPH.
* MIXING HEIGHT............10677 FT AGL.
* TRANSPORT WINDS..........WEST 11 TO 16 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (170832 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SUNDAY
CLEAR. LOWS 59 TO 69. HIGHS 93 TO 103. WEST WIND AROUND
15 MPH. MINIMUM HUMIDITY 4 TO 10 PCT.
MONDAY
CLEAR. LOWS 60 TO 70. HIGHS 94 TO 104. WEST WIND AROUND
15 MPH. MINIMUM HUMIDITY 7 TO 14 PCT.
TUESDAY
CLEAR. LOWS 63 TO 73. HIGHS 97 TO 107. NORTHWEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 8 TO 15 PCT.
WEDNESDAY
MOSTLY CLEAR. LOWS 65 TO 75. HIGHS 97 TO 107.
THURSDAY
MOSTLY CLEAR. LOWS 66 TO 76. HIGHS 97 TO 107.
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
AZZ153-191415-
ARIZONA FIRE WEATHER ZONE 153
NORTHERN GRAHAM COUNTY-NORTHERN GREENLEE COUNTY-
WHITE AND GILA MOUNTAINS-APACHE SITGREAVES NF-
SOUTHERN SAN CARLOS RESERVATION ABOVE 5000 FEET-SDC-
409 PM MST THU JUN 18 2026
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (40-50 PCT). SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
* CHANCE OF PRECIP.........20 PCT.
* CHANCE OF THUNDER........20 PCT.
* MIN TEMPERATURE..........55 TO 65 DEGS.
24 HR TREND...........DOWN 3 TO 6 DEGS.
* MAX HUMIDITY.............41 TO 51 PCT.
24 HR TREND...........DOWN 11 TO 15 PCT.
* WIND (20 FT/10-MIN AVG)..NORTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........WEST 15 TO 20 MPH.
JUNETEENTH
* SKY/WEATHER..............MOSTLY SUNNY (20-30 PCT) THEN BECOMING
PARTLY CLOUDY (25-35 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........82 TO 92 DEGS.
24 HR TREND...........UP 2 TO 5 DEGS.
* MIN HUMIDITY.............11 TO 20 PCT.
24 HR TREND...........DOWN 7 TO 11 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH.
* 10000 FT MSL WIND........WEST 10 TO 15 MPH.
* MIXING HEIGHT............10234 FT AGL.
* TRANSPORT WINDS..........WEST 12 TO 14 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (143276 KNOT-FT).
FRIDAY NIGHT
* SKY/WEATHER..............MOSTLY CLEAR (10-20 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........54 TO 64 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MAX HUMIDITY.............25 TO 35 PCT.
24 HR TREND...........DOWN 15 TO 19 PCT.
* WIND (20 FT/10-MIN AVG)..NORTHWEST 10 TO 15 MPH.
* 10000 FT MSL WIND........WEST 15 TO 20 MPH.
SATURDAY
* SKY/WEATHER..............MOSTLY SUNNY (5-15 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........82 TO 92 DEGS.
24 HR TREND...........DOWN 1 DEG.
* MIN HUMIDITY.............7 TO 13 PCT.
24 HR TREND...........DOWN 3 TO 7 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST 15 TO 20 MPH.
* MIXING HEIGHT............8647 FT AGL.
* TRANSPORT WINDS..........WEST 16 TO 18 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (155646 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SUNDAY
CLEAR. LOWS 51 TO 61. HIGHS 83 TO 93. NORTHWEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 5 TO 8 PCT.
MONDAY
CLEAR. LOWS 51 TO 61. HIGHS 85 TO 95. NORTHWEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 7 TO 12 PCT.
TUESDAY
CLEAR. LOWS 56 TO 66. HIGHS 88 TO 98. NORTHWEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 8 TO 14 PCT.
WEDNESDAY
MOSTLY CLEAR. LOWS 59 TO 69. HIGHS 88 TO 98.
THURSDAY
MOSTLY CLEAR. LOWS 59 TO 69. HIGHS 87 TO 97.
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
AZZ154-191415-
ARIZONA FIRE WEATHER ZONE 154
FOREST WOODLANDS FDRA INCLUDING THE SKY ISLANDS OF SOUTHEAST
ARIZONA ABOVE 5500 FEET-CORONADO NF-TDC-
409 PM MST THU JUN 18 2026
TONIGHT
* SKY/WEATHER..............PARTLY CLOUDY (25-35 PCT).
* CHANCE OF PRECIP.........10 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........57 TO 67 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MAX HUMIDITY.............36 TO 46 PCT.
24 HR TREND...........DOWN 27 TO 31 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH.
* 10000 FT MSL WIND........WEST 10 TO 15 MPH.
JUNETEENTH
* SKY/WEATHER..............MOSTLY SUNNY (10-20 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........80 TO 90 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MIN HUMIDITY.............12 TO 22 PCT.
24 HR TREND...........DOWN 6 TO 10 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST 10 TO 15 MPH.
* MIXING HEIGHT............12064 FT AGL.
* TRANSPORT WINDS..........WEST 10 TO 13 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (138736 KNOT-FT).
FRIDAY NIGHT
* SKY/WEATHER..............MOSTLY CLEAR (5-15 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MIN TEMPERATURE..........57 TO 67 DEGS.
24 HR TREND...........LITTLE CHANGE.
* MAX HUMIDITY.............22 TO 32 PCT.
24 HR TREND...........DOWN 8 TO 12 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST 10 TO 15 MPH.
SATURDAY
* SKY/WEATHER..............MOSTLY SUNNY (5-15 PCT).
* CHANCE OF PRECIP.........0 PCT.
* CHANCE OF THUNDER........0 PCT.
* MAX TEMPERATURE..........81 TO 91 DEGS.
24 HR TREND...........UP 2 TO 5 DEGS.
* MIN HUMIDITY.............9 TO 19 PCT.
24 HR TREND...........DOWN 3 TO 7 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH.
* 10000 FT MSL WIND........SOUTHWEST 15 TO 20 MPH.
* MIXING HEIGHT............11614 FT AGL.
* TRANSPORT WINDS..........SOUTHWEST 13 TO 16 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (168403 KNOT-FT).
FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
SUNDAY
CLEAR. LOWS 56 TO 66. HIGHS 82 TO 92. WEST WIND AROUND
15 MPH. MINIMUM HUMIDITY 6 TO 13 PCT.
MONDAY
CLEAR. LOWS 57 TO 67. HIGHS 84 TO 94. WEST WIND AROUND
15 MPH. MINIMUM HUMIDITY 9 TO 17 PCT.
TUESDAY
MOSTLY CLEAR. LOWS 60 TO 70. HIGHS 86 TO 96. NORTHWEST
WIND AROUND 20 MPH. MINIMUM HUMIDITY 9 TO 19 PCT.
WEDNESDAY
MOSTLY CLEAR. LOWS 62 TO 72. HIGHS 86 TO 96.
THURSDAY
MOSTLY CLEAR. LOWS 63 TO 73. HIGHS 86 TO 96.
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE
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