| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.21 | 2.22 | -0.01 |
| Feb | 1.92 | 1.93 | -0.01 |
| Mar | 2.40 | 2.40 | 0.00 |
| Apr | 3.83 | 3.84 | -0.01 |
| May | 4.51 | 4.62 | -0.11 |
| Jun | 4.76 | 4.85 | -0.09 |
| Jul | 4.49 | 4.53 | -0.04 |
| Aug | 4.03 | 4.18 | -0.15 |
| Sep | 3.43 | 3.51 | -0.08 |
| Oct | 3.38 | 3.53 | -0.15 |
| Nov | 2.71 | 2.80 | -0.09 |
| Dec | 2.18 | 2.22 | -0.04 |
39.85 | 40.63 | -0.78 |