| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.79 | 0.01 |
| Feb | 0.85 | 0.87 | -0.02 |
| Mar | 1.39 | 1.39 | 0.00 |
| Apr | 2.50 | 2.49 | 0.01 |
| May | 3.36 | 3.42 | -0.06 |
| Jun | 4.60 | 4.65 | -0.05 |
| Jul | 4.40 | 4.56 | -0.16 |
| Aug | 3.74 | 3.82 | -0.08 |
| Sep | 3.21 | 3.23 | -0.02 |
| Oct | 2.99 | 3.04 | -0.05 |
| Nov | 1.60 | 1.56 | 0.04 |
| Dec | 1.20 | 1.21 | -0.01 |
30.64 | 31.03 | -0.39 |