| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.52 | -0.16 |
| Feb | 3.17 | 3.21 | -0.04 |
| Mar | 4.29 | 4.27 | 0.02 |
| Apr | 4.92 | 4.95 | -0.03 |
| May | 5.29 | 5.29 | 0.00 |
| Jun | 4.84 | 4.90 | -0.06 |
| Jul | 4.43 | 4.43 | 0.00 |
| Aug | 3.59 | 3.53 | 0.06 |
| Sep | 3.41 | 3.47 | -0.06 |
| Oct | 3.40 | 3.44 | -0.04 |
| Nov | 3.38 | 3.43 | -0.05 |
| Dec | 3.93 | 4.04 | -0.11 |
48.01 | 48.48 | -0.47 |