| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.59 | -0.02 |
| Feb | 2.97 | 2.94 | 0.03 |
| Mar | 4.07 | 4.00 | 0.07 |
| Apr | 3.66 | 3.61 | 0.05 |
| May | 3.79 | 3.65 | 0.14 |
| Jun | 4.48 | 4.57 | -0.09 |
| Jul | 4.89 | 4.85 | 0.04 |
| Aug | 4.74 | 4.69 | 0.05 |
| Sep | 5.01 | 5.31 | -0.30 |
| Oct | 3.56 | 3.70 | -0.14 |
| Nov | 3.44 | 3.38 | 0.06 |
| Dec | 3.51 | 3.45 | 0.06 |
47.69 | 47.74 | -0.05 |