| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.65 | 0.05 |
| Feb | 0.71 | 0.71 | 0.00 |
| Mar | 1.35 | 1.29 | 0.06 |
| Apr | 2.32 | 2.32 | 0.00 |
| May | 3.42 | 3.41 | 0.01 |
| Jun | 4.36 | 4.34 | 0.02 |
| Jul | 4.36 | 4.20 | 0.16 |
| Aug | 3.57 | 3.41 | 0.16 |
| Sep | 3.01 | 2.88 | 0.13 |
| Oct | 2.69 | 2.69 | 0.00 |
| Nov | 1.25 | 1.17 | 0.08 |
| Dec | 0.90 | 0.91 | -0.01 |
28.64 | 27.98 | 0.66 |