| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.64 | -0.07 |
| Feb | 3.09 | 2.98 | 0.11 |
| Mar | 4.01 | 4.01 | 0.00 |
| Apr | 3.58 | 3.59 | -0.01 |
| May | 3.78 | 3.64 | 0.14 |
| Jun | 4.45 | 4.41 | 0.04 |
| Jul | 5.02 | 5.41 | -0.39 |
| Aug | 5.09 | 5.07 | 0.02 |
| Sep | 5.42 | 5.60 | -0.18 |
| Oct | 3.38 | 3.33 | 0.05 |
| Nov | 3.39 | 3.40 | -0.01 |
| Dec | 3.53 | 3.53 | 0.00 |
48.31 | 48.61 | -0.30 |