| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.38 | 2.62 | -0.24 |
| Feb | 2.36 | 2.44 | -0.08 |
| Mar | 3.70 | 3.94 | -0.24 |
| Apr | 4.57 | 4.78 | -0.21 |
| May | 5.18 | 5.45 | -0.27 |
| Jun | 4.06 | 4.40 | -0.34 |
| Jul | 4.07 | 4.43 | -0.36 |
| Aug | 4.01 | 4.21 | -0.20 |
| Sep | 3.84 | 3.97 | -0.13 |
| Oct | 3.20 | 3.24 | -0.04 |
| Nov | 3.60 | 3.78 | -0.18 |
| Dec | 2.52 | 2.71 | -0.19 |
43.49 | 45.97 | -2.48 |