| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.58 | 0.56 | 0.02 |
| Feb | 0.72 | 0.65 | 0.07 |
| Mar | 1.24 | 1.15 | 0.09 |
| Apr | 2.43 | 2.40 | 0.03 |
| May | 3.30 | 3.38 | -0.08 |
| Jun | 4.08 | 4.13 | -0.05 |
| Jul | 3.35 | 3.40 | -0.05 |
| Aug | 3.17 | 3.01 | 0.16 |
| Sep | 2.68 | 2.71 | -0.03 |
| Oct | 2.14 | 2.14 | 0.00 |
| Nov | 0.95 | 0.88 | 0.07 |
| Dec | 0.73 | 0.68 | 0.05 |
25.37 | 25.09 | 0.28 |