| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.42 | 4.58 | -0.16 |
| Feb | 3.49 | 3.70 | -0.21 |
| Mar | 4.56 | 4.69 | -0.13 |
| Apr | 4.71 | 5.13 | -0.42 |
| May | 4.85 | 4.38 | 0.47 |
| Jun | 4.77 | 4.49 | 0.28 |
| Jul | 5.00 | 5.00 | 0.00 |
| Aug | 4.71 | 4.98 | -0.27 |
| Sep | 4.63 | 4.84 | -0.21 |
| Oct | 3.82 | 3.64 | 0.18 |
| Nov | 3.82 | 3.91 | -0.09 |
| Dec | 4.15 | 4.74 | -0.59 |
52.93 | 54.08 | -1.15 |