| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.40 | 0.01 |
| Feb | 3.57 | 3.44 | 0.13 |
| Mar | 4.69 | 4.52 | 0.17 |
| Apr | 5.44 | 5.69 | -0.25 |
| May | 5.48 | 5.32 | 0.16 |
| Jun | 3.71 | 3.65 | 0.06 |
| Jul | 4.21 | 4.43 | -0.22 |
| Aug | 3.71 | 3.53 | 0.18 |
| Sep | 3.56 | 3.50 | 0.06 |
| Oct | 3.74 | 3.66 | 0.08 |
| Nov | 4.68 | 4.56 | 0.12 |
| Dec | 4.02 | 4.03 | -0.01 |
50.22 | 49.73 | 0.49 |