| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.27 | 3.56 | -0.29 |
| Feb | 3.03 | 3.07 | -0.04 |
| Mar | 4.44 | 4.35 | 0.09 |
| Apr | 5.06 | 4.97 | 0.09 |
| May | 6.04 | 5.94 | 0.10 |
| Jun | 4.61 | 4.50 | 0.11 |
| Jul | 3.77 | 3.73 | 0.04 |
| Aug | 4.02 | 3.74 | 0.28 |
| Sep | 4.52 | 4.55 | -0.03 |
| Oct | 4.29 | 4.38 | -0.09 |
| Nov | 4.51 | 4.69 | -0.18 |
| Dec | 3.92 | 3.98 | -0.06 |
51.48 | 51.46 | 0.02 |