| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.16 | 1.10 | 0.06 |
| Feb | 1.05 | 1.02 | 0.03 |
| Mar | 1.85 | 1.67 | 0.18 |
| Apr | 3.67 | 3.62 | 0.05 |
| May | 4.56 | 4.71 | -0.15 |
| Jun | 5.30 | 5.16 | 0.14 |
| Jul | 4.49 | 4.40 | 0.09 |
| Aug | 4.24 | 4.30 | -0.06 |
| Sep | 3.90 | 4.11 | -0.21 |
| Oct | 2.69 | 2.85 | -0.16 |
| Nov | 1.99 | 1.88 | 0.11 |
| Dec | 1.39 | 1.40 | -0.01 |
36.29 | 36.22 | 0.07 |