| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.04 | 3.00 | 0.04 |
| Feb | 3.31 | 3.13 | 0.18 |
| Mar | 4.57 | 4.38 | 0.19 |
| Apr | 5.15 | 5.27 | -0.12 |
| May | 5.64 | 5.45 | 0.19 |
| Jun | 3.58 | 3.67 | -0.09 |
| Jul | 4.00 | 4.02 | -0.02 |
| Aug | 3.72 | 3.57 | 0.15 |
| Sep | 3.69 | 3.75 | -0.06 |
| Oct | 3.66 | 3.69 | -0.03 |
| Nov | 4.57 | 4.49 | 0.08 |
| Dec | 3.47 | 3.45 | 0.02 |
48.40 | 47.87 | 0.53 |