Heavy to excessive rainfall could lead to flash flooding over portions of east Texas into southern Mississippi through Wednesday morning. Strong to severe thunderstorms are possible across the southern Great Plains to coastal Louisiana Wednesday. Large hail will be the primary threat, with the greatest risk across south Texas. Read More >
Annual Mean Temperature (NCDC 1981-2010 normals):
|
San Juan (TJSJ)
|
Saint Thomas (TIST) |
Saint Croix (TISX) |
Avg Maximum |
86.7°F |
87.6°F |
86.6°F |
Avg Minimum |
75.4°F |
75.5°F |
75.4°F |
Mean |
81.0°F |
81.6°F |
81.0°F |
Days Max >= 90°F |
54.6 |
84.8 |
38.8 |
2012 Observations:
|
San Juan (TJSJ)
|
Saint Thomas(TIST) |
Saint Croix(TISX) |
Avg Maximum |
87.2°F(+0.5°F) |
85.9°F(-1.7) |
86.3°F(-0.3°F) |
Avg Minimum |
75.9°F(+0.5°F) |
75.8°F(+0.3) |
74.1°F(-1.3°F) |
Mean |
81.6°F(+0.6°F) |
80.9°F(-0.7) |
80.2°F(-0.8°F) |
Days Max >= 90°F |
101 (+46.4) |
42(-42.8) |
47(+8.2) |
Annual Precipitation (NCDC 1981-2010 normals):
|
San Juan |
Saint Thomas |
Saint Croix |
Average |
56.35'' |
39.34'' |
38.67'' |
Daily Avg |
0.15'' |
0.11'' |
0.11'' |
Days >=0.01 |
198.5 |
168.3 |
174.0 |
Days >= 0.10 |
108.6 |
78.5 |
82.0 |
Days >= 0.50 |
32.6 |
20.6 |
18.8 |
Days >= 1.00 |
12.1 |
7.7 |
6.8 |
2012 Observations:
|
San Juan |
Saint Thomas |
Saint Croix |
Record Maximum |
89.50" 2010 |
67.59" 1960 |
78.25" 1979
|
Record Minimum |
35.53" 1991 |
19.52" 1991 |
21.61" 2002 |
Total |
55.21"(-1.14") |
35.87"(-3.47") |
29.46"(-9.21") |
Daily Avg |
0.15(0.00) |
0.10(-0.01) |
0.08(-0.03) |
Days >=0.01 |
211(+12.5) |
182(+13.7) |
166(-8.0) |
Days >= 0.10 |
117(+8.4) |
92(+13.5) |
79(-3.0) |
Days >= 0.50 |
29(-3.6) |
20(-0.6) |
14(-4.8) |
Days >= 1.00 |
10(-2.1) |
4(-3.7) |
2(-4.8) |
|
San Juan |
Saint Thomas |
Saint Croix |
Highest Temperature |
95°F 06/22, 06/13 and 06/21 |
92°F 10/02, 09/24 and 09/17 |
93°F 08/11 and 08/02 |
Lowest Temperature |
69°F 02/20 and 01/19 |
67°F 01/22, 01/12 and 01/21 |
65°F 12/15 and 01/12 |
Greatest 24 hr rainfall Total |
3.09" 03/25 |
2.35" 11/20 |
1.28" 11/19 |