| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.27 | 2.35 | -0.08 |
| Feb | 1.93 | 2.07 | -0.14 |
| Mar | 2.35 | 2.43 | -0.08 |
| Apr | 3.55 | 3.62 | -0.07 |
| May | 4.37 | 4.26 | 0.11 |
| Jun | 4.41 | 4.64 | -0.23 |
| Jul | 4.43 | 4.46 | -0.03 |
| Aug | 4.32 | 4.29 | 0.03 |
| Sep | 3.34 | 3.30 | 0.04 |
| Oct | 3.49 | 3.50 | -0.01 |
| Nov | 2.66 | 2.73 | -0.07 |
| Dec | 2.15 | 2.20 | -0.05 |
39.27 | 39.85 | -0.58 |