| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.95 | 4.11 | -0.16 |
| Feb | 3.49 | 3.58 | -0.09 |
| Mar | 4.91 | 5.27 | -0.36 |
| Apr | 4.43 | 4.66 | -0.23 |
| May | 3.50 | 3.50 | 0.00 |
| Jun | 3.88 | 3.91 | -0.03 |
| Jul | 3.27 | 3.25 | 0.02 |
| Aug | 3.82 | 3.87 | -0.05 |
| Sep | 4.00 | 3.98 | 0.02 |
| Oct | 4.72 | 4.71 | 0.01 |
| Nov | 4.20 | 4.23 | -0.03 |
| Dec | 4.83 | 5.05 | -0.22 |
49.00 | 50.12 | -1.12 |