| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.59 | -0.10 |
| Feb | 2.83 | 2.89 | -0.06 |
| Mar | 4.42 | 4.42 | 0.00 |
| Apr | 3.48 | 3.51 | -0.03 |
| May | 3.47 | 3.55 | -0.08 |
| Jun | 3.91 | 4.18 | -0.27 |
| Jul | 4.70 | 4.68 | 0.02 |
| Aug | 4.65 | 4.87 | -0.22 |
| Sep | 3.99 | 4.11 | -0.12 |
| Oct | 4.14 | 3.98 | 0.16 |
| Nov | 3.22 | 3.22 | 0.00 |
| Dec | 4.30 | 4.34 | -0.04 |
46.60 | 47.34 | -0.74 |