Climatological Report (Monthly)
Issued by NWS Austin/San Antonio, TX

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CLIMATE REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO
124 PM CDT MON JUN 01 2026

...................................

...THE DEL RIO CLIMATE SUMMARY FOR THE MONTH OF MAY 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1906 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST           98   05/10                         109  05/13
LOWEST            56   05/02                          57  05/11
AVG. MAXIMUM    88.8               93.1    -4.3     94.8
AVG. MINIMUM    68.3               71.1    -2.8     70.5
MEAN            78.6               82.1    -3.5     82.7
DAYS MAX >= 90    19                                  24
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     0                                   0
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
TOTALS          0.93               3.06   -2.13     0.90
DAILY AVG.      0.03               0.10   -0.07     0.03
DAYS >= .01        4                                   6
DAYS >= .10        2                                   2
DAYS >= .50        0                                   0
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   0.94   04/30 TO 05/01

SNOWFALL (INCHES)
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1        0.3                0.1     0.2       MM

DEGREE DAYS
HEATING TOTAL      0                  0       0        0
 SINCE 7/1       810                970    -160       MM
COOLING TOTAL    428                530    -102      558
 SINCE 1/1      1065               1046      19       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.8
HIGHEST WIND SPEED/DIRECTION    28/140    DATE  05/15
HIGHEST GUST SPEED/DIRECTION    41/020    DATE  05/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.28
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN                2     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       2     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

&&

MONTHLY CLIMATE SUMMARY:
MAY 2026 WAS THE 44TH WARMEST AND THE 28 DRIEST ON RECORD.

SEA LEVEL PRESSURE DATA:
HIGHEST SLP 30.21 ON THE 2ND
LOWEST  SLP 29.59 ON THE 17TH

PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   DEL RIO
                                          MONTH:     MAY
                                          YEAR:      2026
                                          LATITUDE:   29 22 N
                                          LONGITUDE: 100 55 W

  TEMPERATURE IN F:       :PCPN:    SNOW:  WIND      :SUNSHINE: SKY     :PK WND
================================================================================
1   2   3   4   5  6A  6B    7    8   9   10  11  12  13   14  15   16   17  18
                                     12Z  AVG MX 2MIN
DY MAX MIN AVG DEP HDD CDD  WTR  SNW DPTH SPD SPD DIR MIN PSBL S-S WX    SPD DR
================================================================================

 1  71  60  66 -12   0   1 0.48  0.0    0  7.3 22 100   M    M   9 13     28 110
 2  76  56  66 -12   0   1 0.00  0.0    0  4.7 14 110   M    M   3        19 100
 3  80  58  69 -10   0   4 0.00  0.0    0 10.3 23 140   M    M   0        33 140
 4  87  62  75  -4   0  10 0.00  0.0    0 11.5 20 140   M    M   0        26 130
 5  90  69  80   1   0  15 0.00  0.0    0  6.5 13 110   M    M   2        21 120
 6  89  73  81   2   0  16 0.00  0.0    0  7.8 16  10   M    M   5        23 340
 7  73  61  67 -13   0   2 0.05  0.0    0  5.1 13  40   M    M   9 13     19  10
 8  81  63  72  -8   0   7 0.00  0.0    0  4.6 12  90   M    M   7        16  70
 9  91  65  78  -2   0  13 0.00  0.0    0  5.5 13 170   M    M   3        16 120
10  98  70  84   4   0  19    M  0.0    0  9.6 25 350   M    M   0 3      39  10
11  86  64  75  -6   0  10 0.00  0.0    0  7.0 16 340   M    M   3        24 300
12  90  68  79  -2   0  14 0.00  0.0    0 10.0 17 140   M    M   0        22 140
13  94  67  81   0   0  16 0.00  0.0    0  9.5 20 130   M    M   0        25 130
14  96  67  82   0   0  17 0.00  0.0    0 12.7 25 140   M    M   0        33 150
15  94  71  83   1   0  18 0.00  0.0    0 13.7 28 140   M    M   0        37 140
16  89  72  81  -1   0  16 0.00  0.0    0 13.5 21 120   M    M   5        29 140
17  91  76  84   2   0  19 0.00  0.0    0 13.8 21 140   M    M   4        30 110
18  97  79  88   5   0  23 0.00  0.0    0 15.7 25 100   M    M   4        37 100
19  93  68  81  -2   0  16 0.04  0.0    0 12.0 26  10   M    M   3 3      41  20
20  82  66  74  -9   0   9    M  0.0    0  8.8 18 150   M    M   4        31  70
21  91  71  81  -3   0  16 0.00  0.0    0 10.0 17  70   M    M   4        25 100
22  94  69  82  -2   0  17 0.00  0.0    0 10.0 22 120   M    M   1 3      30 110
23  92  72  82  -2   0  17 0.00  0.0    0 11.1 20 150   M    M   1 3      28 120
24  93  72  83  -1   0  18 0.00  0.0    0  8.0 16 100   M    M   3        24  90
25  92  73  83  -1   0  18 0.00  0.0    0 11.2 20  80   M    M   3        31  90
26  84  67  76  -9   0  11 0.36  0.0    0  8.7 22 100   M    M   5 3      33 120
27  90  66  78  -7   0  13 0.00  0.0    0  6.9 15 150   M    M   2        19 150
28  93  67  80  -5   0  15 0.00  0.0    0 10.6 20 140   M    M   0        28 120
29  95  75  85   0   0  20    M  0.0    0 13.1 24 130   M    M   3        34 130
30  87  76  82  -4   0  17 0.00  0.0    0 12.6 22 150   M    M   3        30 100
31  95  74  85  -1   0  20 0.00  0.0    0 12.4 22 150   M    M   1        28 120
================================================================================
SM 2754 2117         0 428  0.93  0.0    304.2          M       87
================================================================================
AV 88.8 68.3                               9.8 FASTST   M    M   3    MAX(MPH)
                                 MISC ---->    28 140                 41  20
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

SYMBOLS USED IN COLUMN 16
1 = FOG OR MIST
2 = FOG REDUCING VISIBILITY TO 1/4 MILE OR LESS
3 = THUNDER
4 = ICE PELLETS
5 = HAIL
6 = FREEZING RAIN OR DRIZZLE
7 = DUSTSTORM OR SANDSTORM: VSBY 1/2 MILE OR LESS
8 = SMOKE OR HAZE
9 = BLOWING SNOW
X = TORNADO

$$