| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.49 | -0.02 |
| Feb | 2.82 | 2.67 | 0.15 |
| Mar | 4.00 | 3.96 | 0.04 |
| Apr | 3.56 | 3.22 | 0.34 |
| May | 4.29 | 4.16 | 0.13 |
| Jun | 3.88 | 3.77 | 0.11 |
| Jul | 4.38 | 4.36 | 0.02 |
| Aug | 3.87 | 3.90 | -0.03 |
| Sep | 4.43 | 4.56 | -0.13 |
| Oct | 3.71 | 3.67 | 0.04 |
| Nov | 3.39 | 3.27 | 0.12 |
| Dec | 3.60 | 3.64 | -0.04 |
45.40 | 44.67 | 0.73 |