| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.03 | 3.97 | 0.06 |
| Feb | 4.43 | 4.47 | -0.04 |
| Mar | 4.74 | 4.76 | -0.02 |
| Apr | 5.12 | 5.06 | 0.06 |
| May | 5.32 | 5.45 | -0.13 |
| Jun | 4.19 | 4.22 | -0.03 |
| Jul | 4.40 | 4.51 | -0.11 |
| Aug | 3.76 | 3.68 | 0.08 |
| Sep | 3.65 | 3.79 | -0.14 |
| Oct | 3.76 | 3.78 | -0.02 |
| Nov | 3.77 | 3.71 | 0.06 |
| Dec | 4.76 | 4.74 | 0.02 |
51.93 | 52.14 | -0.21 |