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

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786
CXUS54 KEWX 011951
CLMDRT

CLIMATE REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
243 PM CDT FRI JUN 1 2018

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

THE DEL RIO CLIMATE SUMMARY FOR THE MONTH OF MAY 2018

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1906 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST           106   05/27                         96  05/25
                        05/26                             05/03
LOWEST             60   05/07                         49  05/05
AVG. MAXIMUM     95.6              89.8     5.8     88.0
AVG. MINIMUM     70.4              67.9     2.5     65.5
MEAN             83.0              78.9     4.1     76.8
DAYS MAX >= 90     27                                 16
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      0                                  0
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
TOTALS           1.23              2.81   -1.58     3.97
DAILY AVG.       0.04              0.09   -0.05     0.13
DAYS >= .01         4                                  7
DAYS >= .10         4                                  3
DAYS >= .50         1                                  2
DAYS >= 1.00        0                                  1
GREATEST
 24 HR. TOTAL    0.57   05/20 TO 05/20

SNOWFALL (INCHES)
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1           T               1.2    -1.2      0.0

DEGREE_DAYS
HEATING TOTAL       0                 1      -1        0
 SINCE 7/1       1270              1376    -106      840
COOLING TOTAL     565               430     135      374
 SINCE 1/1        966               759     207      825
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              11.2
HIGHEST WIND SPEED/DIRECTION    29/150    DATE  05/13
HIGHEST GUST SPEED/DIRECTION    40/100    DATE  05/03

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     58

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1    MIXED PRECIP             0
HEAVY RAIN                3    RAIN                     1
LIGHT RAIN                8    FREEZING RAIN            0
LT FREEZING RAIN          0    HAIL                     0
HEAVY SNOW                0    SNOW                     0
LIGHT SNOW                0    SLEET                    0
FOG                       5    FOG W/VIS <= 1/4 MILE    0
HAZE                      1

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

&&

MONTHLY CLIMATE SUMMARY:
MAY 2018 WAS THE 4TH WARMEST AND TIED FOR THE 37TH DRIEST
MAY SINCE RECORD KEEPING BEGAN.

SEA LEVEL PRESSURE DATA:
HIGHEST SLP 30.17 ON THE 5TH
LOWEST SLP 29.54 ON THE 18TH

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

                                          STATION:   DEL RIO
                                          MONTH:     MAY
                                          YEAR:      2018
                                          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  95  71  83   8   0  18 0.00  0.0    0 14.4 22 100   M    M   6        30 100
 2  95  73  84   8   0  19    T  0.0    0 15.3 26 120   M    M   5 1      35 130
 3  99  71  85   9   0  20 0.38  0.0    0  8.8 25 100   M    M   5 18     40 100
 4  77  63  70  -6   0   5 0.12  0.0    0  6.4 23  10   M    M   6 1      32  10
 5  88  61  75  -1   0  10 0.00  0.0    0  4.7 13 160   M    M   2        18 170
 6  94  61  78   1   0  13 0.00  0.0    0  5.9 16 140   M    M   0        20 150
 7  95  60  78   1   0  13 0.00  0.0    0  8.9 22 150   M    M   0        30 150
 8  97  65  81   4   0  16 0.00  0.0    0 12.1 22 150   M    M   0        32 140
 9  93  66  80   3   0  15 0.00  0.0    0 13.2 23 150   M    M   0        30 140
10  94  67  81   3   0  16 0.00  0.0    0 14.1 24 160   M    M   1        33 150
11  94  67  81   3   0  16 0.00  0.0    0 13.8 24 150   M    M   1        32 150
12  97  68  83   5   0  18 0.00  0.0    0 13.1 22 150   M    M   0        29 150
13  91  76  84   6   0  19    T  0.0    0 12.1 29 150   M    M   5        36 130
14  86  75  81   3   0  16    T  0.0    0  9.3 14 100   M    M   6        23 100
15  98  72  85   6   0  20 0.00  0.0    0 10.0 25 100   M    M   2        36  90
16  99  70  85   6   0  20 0.00  0.0    0 10.2 23  90   M    M   1        32  90
17 103  73  88   9   0  23 0.00  0.0    0 11.4 24 150   M    M   0        29 150
18 102  75  89  10   0  24    T  0.0    0 14.4 28 150   M    M   0        36 140
19  92  72  82   2   0  17 0.16  0.0    0 13.2 23 150   M    M   6 13     31 150
20  81  64  73  -7   0   8 0.57  0.0    0  9.0 21  10   M    M   6 1      30 350
21  91  67  79  -1   0  14 0.00  0.0    0  8.6 21  80   M    M   2        28  80
22  93  71  82   2   0  17 0.00  0.0    0 11.4 23 160   M    M   4        28 160
23  94  73  84   4   0  19 0.00  0.0    0 12.8 20 160   M    M   4        26 150
24  95  75  85   4   0  20 0.00  0.0    0 10.7 17 120   M    M   3        26 100
25 101  73  87   6   0  22 0.00  0.0    0  9.5 17 150   M    M   0        22 120
26 106  74  90   9   0  25 0.00  0.0    0 10.0 17 140   M    M   0        23 130
27 106  76  91  10   0  26 0.00  0.0    0 12.3 22 140   M    M   0        27 150
28 104  76  90   8   0  25 0.00  0.0    0 13.6 24 150   M    M   0        31 160
29 103  76  90   8   0  25 0.00  0.0    0 12.5 22 150   M    M   0        29 120
30 103  76  90   8   0  25 0.00  0.0    0 13.8 24 150   M    M   0        31 150
31  97  75  86   4   0  21 0.00  0.0    0 11.4 20 140   M    M   2        28 150
================================================================================
SM 2963 2182         0 565  1.23     0.0 346.9          M       67
================================================================================
AV 95.6 70.4                              11.2 FASTST   M    M   2    MAX(MPH)
                                 MISC ---->  # 29 150               # 40  100
================================================================================
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
8 = SMOKE OR HAZE
9 = BLOWING SNOW
X = TORNADO

$$



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