| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.52 | 3.57 | -0.05 |
| Feb | 2.96 | 3.02 | -0.06 |
| Mar | 4.49 | 4.48 | 0.01 |
| Apr | 3.41 | 3.56 | -0.15 |
| May | 3.36 | 3.43 | -0.07 |
| Jun | 3.88 | 4.09 | -0.21 |
| Jul | 4.70 | 4.58 | 0.12 |
| Aug | 4.76 | 4.91 | -0.15 |
| Sep | 3.77 | 4.01 | -0.24 |
| Oct | 4.14 | 4.14 | 0.00 |
| Nov | 3.35 | 3.35 | 0.00 |
| Dec | 4.39 | 4.46 | -0.07 |
46.73 | 47.60 | -0.87 |