| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.58 | -0.13 |
| Feb | 2.86 | 2.96 | -0.10 |
| Mar | 4.09 | 4.15 | -0.06 |
| Apr | 3.88 | 3.96 | -0.08 |
| May | 4.02 | 4.06 | -0.04 |
| Jun | 4.54 | 4.61 | -0.07 |
| Jul | 4.67 | 4.69 | -0.02 |
| Aug | 4.41 | 4.48 | -0.07 |
| Sep | 4.32 | 4.32 | 0.00 |
| Oct | 4.31 | 4.32 | -0.01 |
| Nov | 3.53 | 3.47 | 0.06 |
| Dec | 4.35 | 4.34 | 0.01 |
48.43 | 48.94 | -0.51 |