| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.95 | 1.01 | -0.06 |
| Feb | 0.89 | 0.99 | -0.10 |
| Mar | 1.40 | 1.43 | -0.03 |
| Apr | 2.46 | 2.57 | -0.11 |
| May | 3.24 | 3.30 | -0.06 |
| Jun | 4.38 | 4.36 | 0.02 |
| Jul | 4.04 | 3.91 | 0.13 |
| Aug | 3.62 | 3.73 | -0.11 |
| Sep | 3.24 | 3.42 | -0.18 |
| Oct | 2.96 | 2.99 | -0.03 |
| Nov | 1.74 | 1.85 | -0.11 |
| Dec | 1.30 | 1.44 | -0.14 |
30.22 | 31.00 | -0.78 |