| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.46 | 4.84 | 0.62 |
| Feb | 4.78 | 4.69 | 0.09 |
| Mar | 5.03 | 4.97 | 0.06 |
| Apr | 4.88 | 4.94 | -0.06 |
| May | 4.46 | 4.50 | -0.04 |
| Jun | 4.77 | 4.83 | -0.06 |
| Jul | 4.85 | 4.66 | 0.19 |
| Aug | 4.47 | 4.54 | -0.07 |
| Sep | 3.83 | 4.27 | -0.44 |
| Oct | 3.88 | 3.64 | 0.24 |
| Nov | 4.22 | 4.33 | -0.11 |
| Dec | 5.53 | 5.28 | 0.25 |
56.16 | 55.49 | 0.67 |