| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.82 | 0.81 | 0.01 |
| Feb | 1.34 | 1.28 | 0.06 |
| Mar | 2.32 | 2.30 | 0.02 |
| Apr | 3.12 | 3.01 | 0.11 |
| May | 5.22 | 4.97 | 0.25 |
| Jun | 4.76 | 4.80 | -0.04 |
| Jul | 4.40 | 4.26 | 0.14 |
| Aug | 3.91 | 3.94 | -0.03 |
| Sep | 3.21 | 3.25 | -0.04 |
| Oct | 2.73 | 2.56 | 0.17 |
| Nov | 1.61 | 1.57 | 0.04 |
| Dec | 1.25 | 1.21 | 0.04 |
34.69 | 33.96 | 0.73 |