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 |