| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.93 | 4.66 | 0.27 |
| Feb | 4.44 | 4.57 | -0.13 |
| Mar | 4.60 | 4.76 | -0.16 |
| Apr | 4.22 | 4.39 | -0.17 |
| May | 3.18 | 3.22 | -0.04 |
| Jun | 4.55 | 4.49 | 0.06 |
| Jul | 5.50 | 5.50 | 0.00 |
| Aug | 4.68 | 4.55 | 0.13 |
| Sep | 3.78 | 3.86 | -0.08 |
| Oct | 2.68 | 2.85 | -0.17 |
| Nov | 3.78 | 3.85 | -0.07 |
| Dec | 5.17 | 5.38 | -0.21 |
51.51 | 52.08 | -0.57 |