| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.60 | -0.13 |
| Feb | 3.43 | 3.42 | 0.01 |
| Mar | 4.49 | 4.47 | 0.02 |
| Apr | 4.85 | 4.93 | -0.08 |
| May | 5.42 | 5.35 | 0.07 |
| Jun | 4.87 | 4.80 | 0.07 |
| Jul | 4.95 | 4.63 | 0.32 |
| Aug | 3.56 | 3.40 | 0.16 |
| Sep | 3.31 | 3.62 | -0.31 |
| Oct | 3.64 | 3.40 | 0.24 |
| Nov | 3.39 | 3.47 | -0.08 |
| Dec | 4.14 | 4.16 | -0.02 |
49.52 | 49.25 | 0.27 |