| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.85 | 3.93 | -0.08 |
| Feb | 4.47 | 4.51 | -0.04 |
| Mar | 4.83 | 4.87 | -0.04 |
| Apr | 5.07 | 5.20 | -0.13 |
| May | 5.16 | 5.51 | -0.35 |
| Jun | 4.57 | 4.24 | 0.33 |
| Jul | 4.34 | 4.71 | -0.37 |
| Aug | 3.60 | 3.33 | 0.27 |
| Sep | 3.46 | 3.65 | -0.19 |
| Oct | 3.75 | 4.02 | -0.27 |
| Nov | 4.04 | 3.99 | 0.05 |
| Dec | 4.74 | 4.90 | -0.16 |
51.88 | 52.86 | -0.98 |