| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.67 | 0.66 | 0.01 |
| Feb | 0.68 | 0.69 | -0.01 |
| Mar | 1.30 | 1.29 | 0.01 |
| Apr | 2.25 | 2.30 | -0.05 |
| May | 3.39 | 3.44 | -0.05 |
| Jun | 4.27 | 4.27 | 0.00 |
| Jul | 4.32 | 4.31 | 0.01 |
| Aug | 3.51 | 3.37 | 0.14 |
| Sep | 2.97 | 2.87 | 0.10 |
| Oct | 2.66 | 2.71 | -0.05 |
| Nov | 1.24 | 1.23 | 0.01 |
| Dec | 0.88 | 0.91 | -0.03 |
28.14 | 28.05 | 0.09 |