| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.69 | 3.85 | -0.16 |
| Feb | 4.29 | 4.33 | -0.04 |
| Mar | 4.74 | 4.76 | -0.02 |
| Apr | 4.86 | 4.99 | -0.13 |
| May | 5.28 | 5.37 | -0.09 |
| Jun | 4.44 | 4.55 | -0.11 |
| Jul | 4.38 | 4.62 | -0.24 |
| Aug | 3.72 | 3.63 | 0.09 |
| Sep | 3.81 | 3.77 | 0.04 |
| Oct | 3.80 | 3.88 | -0.08 |
| Nov | 3.78 | 3.76 | 0.02 |
| Dec | 4.63 | 4.74 | -0.11 |
51.42 | 52.25 | -0.83 |