| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.04 | 4.62 | 0.42 |
| Feb | 5.02 | 4.84 | 0.18 |
| Mar | 5.27 | 5.25 | 0.02 |
| Apr | 5.00 | 5.01 | -0.01 |
| May | 4.41 | 4.75 | -0.34 |
| Jun | 4.77 | 4.76 | 0.01 |
| Jul | 4.61 | 5.16 | -0.55 |
| Aug | 3.82 | 4.08 | -0.26 |
| Sep | 4.09 | 3.98 | 0.11 |
| Oct | 3.17 | 3.12 | 0.05 |
| Nov | 4.12 | 3.98 | 0.14 |
| Dec | 5.71 | 5.74 | -0.03 |
55.03 | 55.29 | -0.26 |