| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.96 | 2.94 | 0.02 |
| Feb | 2.54 | 2.56 | -0.02 |
| Mar | 3.75 | 3.69 | 0.06 |
| Apr | 3.57 | 3.59 | -0.02 |
| May | 4.27 | 4.22 | 0.05 |
| Jun | 4.17 | 4.09 | 0.08 |
| Jul | 4.27 | 4.13 | 0.14 |
| Aug | 3.35 | 3.36 | -0.01 |
| Sep | 4.38 | 4.63 | -0.25 |
| Oct | 3.55 | 3.73 | -0.18 |
| Nov | 3.09 | 3.06 | 0.03 |
| Dec | 3.49 | 3.65 | -0.16 |
43.39 | 43.65 | -0.26 |