| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.04 | 4.08 | -0.04 |
| Feb | 4.74 | 4.83 | -0.09 |
| Mar | 5.50 | 5.47 | 0.03 |
| Apr | 5.22 | 5.17 | 0.05 |
| May | 5.45 | 5.47 | -0.02 |
| Jun | 4.41 | 4.40 | 0.01 |
| Jul | 4.22 | 4.14 | 0.08 |
| Aug | 3.51 | 3.18 | 0.33 |
| Sep | 3.81 | 3.74 | 0.07 |
| Oct | 3.73 | 3.65 | 0.08 |
| Nov | 4.35 | 4.63 | -0.28 |
| Dec | 5.27 | 5.46 | -0.19 |
54.25 | 54.22 | 0.03 |