| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.26 | 4.24 | 0.02 |
| Feb | 4.66 | 4.68 | -0.02 |
| Mar | 4.85 | 4.80 | 0.05 |
| Apr | 4.97 | 4.78 | 0.19 |
| May | 5.14 | 5.29 | -0.15 |
| Jun | 4.56 | 4.41 | 0.15 |
| Jul | 4.61 | 4.57 | 0.04 |
| Aug | 3.74 | 3.92 | -0.18 |
| Sep | 3.69 | 3.69 | 0.00 |
| Oct | 3.60 | 3.44 | 0.16 |
| Nov | 3.72 | 3.78 | -0.06 |
| Dec | 4.89 | 4.79 | 0.10 |
52.69 | 52.39 | 0.30 |