| Cloud Cover |
| Overcast
|
90%
covered |
80%
covered |
70%
covered |
60%
covered |
50%
covered |
40%
covered |
30%
covered |
20%
covered |
10%
covered |
Clear
|
|
| Transparency |
| Poor |
Below Average
|
Average |
Above average
|
Transparent
|
|
| Seeing |
| Bad 1/5 |
Poor 2/5
|
Average 3/5
|
Good 4/5
|
Excellent 5/5
|
|
| Wind |
| >45 mph
|
29 to 45
mph |
17 to 28
mph |
12 to 16
mph |
6 to 11
mph |
0 to 5 mph
|
|
| Humidity |
| <25%
|
25% to 30%
|
30% to 35%
|
35% to 40%
|
40% to 45%
|
45% to 50%
|
50% to 55%
|
55% to 60%
|
60% to 65%
|
65% to 70%
|
70% to 75%
|
75% to 80%
|
80% to 85%
|
85% to 90%
|
90% to 95%
|
95% to
100% |
|
| Temperature |
| < -40F
|
-40F to
-31F |
-30F to
-21F |
-21F to
-12F |
-12F to
-3F |
-3F to 5F
|
5F to 14F
|
14F to 23F
|
23F to 32F
|
32F to 41F
|
41F to 50F
|
50F to 59F
|
59F to 68F
|
68F to 77F
|
77F to 86F
|
86F to 95F
|
95F to
104F |
104F to
113F |
>113F
|
|
