| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.50 | -0.07 |
| Feb | 2.82 | 2.78 | 0.04 |
| Mar | 4.02 | 4.25 | -0.23 |
| Apr | 3.67 | 3.60 | 0.07 |
| May | 3.84 | 3.76 | 0.08 |
| Jun | 4.29 | 4.24 | 0.05 |
| Jul | 4.82 | 4.81 | 0.01 |
| Aug | 4.57 | 4.71 | -0.14 |
| Sep | 3.97 | 3.98 | -0.01 |
| Oct | 3.85 | 4.02 | -0.17 |
| Nov | 3.20 | 3.24 | -0.04 |
| Dec | 4.10 | 4.29 | -0.19 |
46.58 | 47.18 | -0.60 |