| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.61 | -0.12 |
| Feb | 2.79 | 2.95 | -0.16 |
| Mar | 4.23 | 4.35 | -0.12 |
| Apr | 3.78 | 3.76 | 0.02 |
| May | 3.85 | 3.91 | -0.06 |
| Jun | 4.42 | 4.55 | -0.13 |
| Jul | 4.69 | 4.56 | 0.13 |
| Aug | 4.32 | 4.58 | -0.26 |
| Sep | 4.94 | 4.93 | 0.01 |
| Oct | 4.36 | 4.50 | -0.14 |
| Nov | 3.32 | 3.33 | -0.01 |
| Dec | 4.15 | 4.41 | -0.26 |
48.34 | 49.44 | -1.10 |