| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.06 | 4.66 | 0.40 |
| Feb | 5.03 | 4.77 | 0.26 |
| Mar | 5.31 | 5.25 | 0.06 |
| Apr | 4.99 | 4.87 | 0.12 |
| May | 4.44 | 4.76 | -0.32 |
| Jun | 4.74 | 4.64 | 0.10 |
| Jul | 4.67 | 5.03 | -0.36 |
| Aug | 3.84 | 4.02 | -0.18 |
| Sep | 4.08 | 3.97 | 0.11 |
| Oct | 3.19 | 3.08 | 0.11 |
| Nov | 4.16 | 3.87 | 0.29 |
| Dec | 5.81 | 5.70 | 0.11 |
55.32 | 54.62 | 0.70 |