| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.57 | -0.08 |
| Feb | 2.76 | 2.98 | -0.22 |
| Mar | 3.97 | 4.11 | -0.14 |
| Apr | 3.92 | 3.92 | 0.00 |
| May | 4.07 | 4.15 | -0.08 |
| Jun | 4.42 | 4.60 | -0.18 |
| Jul | 4.95 | 5.05 | -0.10 |
| Aug | 4.57 | 4.61 | -0.04 |
| Sep | 4.44 | 4.53 | -0.09 |
| Oct | 4.23 | 4.52 | -0.29 |
| Nov | 3.38 | 3.42 | -0.04 |
| Dec | 4.17 | 4.39 | -0.22 |
48.37 | 49.85 | -1.48 |