| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.72 | 0.01 |
| Feb | 1.07 | 1.00 | 0.07 |
| Mar | 1.85 | 1.87 | -0.02 |
| Apr | 2.95 | 3.01 | -0.06 |
| May | 4.83 | 4.60 | 0.23 |
| Jun | 4.39 | 4.53 | -0.14 |
| Jul | 4.22 | 4.28 | -0.06 |
| Aug | 3.39 | 3.52 | -0.13 |
| Sep | 3.03 | 3.12 | -0.09 |
| Oct | 2.31 | 2.32 | -0.01 |
| Nov | 1.40 | 1.40 | 0.00 |
| Dec | 1.10 | 1.13 | -0.03 |
31.27 | 31.50 | -0.23 |