| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.99 | 4.09 | -0.10 |
| Feb | 4.21 | 4.20 | 0.01 |
| Mar | 4.91 | 4.95 | -0.04 |
| Apr | 4.66 | 4.51 | 0.15 |
| May | 5.09 | 5.35 | -0.26 |
| Jun | 4.74 | 4.88 | -0.14 |
| Jul | 4.75 | 4.91 | -0.16 |
| Aug | 3.38 | 3.75 | -0.37 |
| Sep | 3.93 | 3.73 | 0.20 |
| Oct | 3.55 | 3.37 | 0.18 |
| Nov | 3.49 | 3.68 | -0.19 |
| Dec | 4.62 | 4.83 | -0.21 |
51.32 | 52.25 | -0.93 |