| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.47 | 1.42 | 0.05 |
| Feb | 1.65 | 1.71 | -0.06 |
| Mar | 2.80 | 2.73 | 0.07 |
| Apr | 3.76 | 3.66 | 0.10 |
| May | 5.28 | 5.22 | 0.06 |
| Jun | 4.56 | 4.63 | -0.07 |
| Jul | 3.39 | 3.41 | -0.02 |
| Aug | 3.19 | 3.16 | 0.03 |
| Sep | 3.85 | 3.82 | 0.03 |
| Oct | 3.51 | 3.40 | 0.11 |
| Nov | 2.18 | 2.20 | -0.02 |
| Dec | 2.09 | 2.05 | 0.04 |
37.73 | 37.41 | 0.32 |