| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.56 | -0.08 |
| Feb | 2.82 | 2.84 | -0.02 |
| Mar | 4.18 | 4.13 | 0.05 |
| Apr | 3.63 | 3.63 | 0.00 |
| May | 3.57 | 3.72 | -0.15 |
| Jun | 4.39 | 4.32 | 0.07 |
| Jul | 4.66 | 4.69 | -0.03 |
| Aug | 4.58 | 4.53 | 0.05 |
| Sep | 4.68 | 5.26 | -0.58 |
| Oct | 3.44 | 3.46 | -0.02 |
| Nov | 3.35 | 3.35 | 0.00 |
| Dec | 3.54 | 3.60 | -0.06 |
46.32 | 47.09 | -0.77 |