| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.27 | 5.19 | 0.08 |
| Feb | 5.15 | 5.24 | -0.09 |
| Mar | 5.38 | 5.35 | 0.03 |
| Apr | 4.73 | 4.57 | 0.16 |
| May | 4.01 | 4.16 | -0.15 |
| Jun | 4.79 | 4.57 | 0.22 |
| Jul | 4.86 | 4.85 | 0.01 |
| Aug | 4.19 | 4.12 | 0.07 |
| Sep | 3.53 | 3.52 | 0.01 |
| Oct | 3.32 | 3.31 | 0.01 |
| Nov | 4.35 | 4.34 | 0.01 |
| Dec | 5.44 | 5.22 | 0.22 |
55.02 | 54.44 | 0.58 |