| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.28 | 3.12 | 0.16 |
| Feb | 3.52 | 3.25 | 0.27 |
| Mar | 4.66 | 4.41 | 0.25 |
| Apr | 5.26 | 5.25 | 0.01 |
| May | 5.63 | 5.36 | 0.27 |
| Jun | 3.49 | 3.55 | -0.06 |
| Jul | 3.94 | 3.98 | -0.04 |
| Aug | 3.74 | 3.53 | 0.21 |
| Sep | 3.61 | 3.70 | -0.09 |
| Oct | 3.74 | 3.70 | 0.04 |
| Nov | 4.63 | 4.58 | 0.05 |
| Dec | 3.71 | 3.59 | 0.12 |
49.21 | 48.02 | 1.19 |