| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.65 | 0.07 |
| Feb | 0.81 | 0.72 | 0.09 |
| Mar | 1.53 | 1.47 | 0.06 |
| Apr | 2.61 | 2.56 | 0.05 |
| May | 3.73 | 3.75 | -0.02 |
| Jun | 4.18 | 4.30 | -0.12 |
| Jul | 4.02 | 3.89 | 0.13 |
| Aug | 3.94 | 3.91 | 0.03 |
| Sep | 2.91 | 3.03 | -0.12 |
| Oct | 2.60 | 2.63 | -0.03 |
| Nov | 1.39 | 1.31 | 0.08 |
| Dec | 0.91 | 0.90 | 0.01 |
29.35 | 29.12 | 0.23 |