| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.94 | 2.82 | 0.12 |
| Feb | 2.90 | 2.87 | 0.03 |
| Mar | 3.69 | 3.31 | 0.38 |
| Apr | 3.71 | 3.52 | 0.19 |
| May | 3.48 | 3.41 | 0.07 |
| Jun | 4.10 | 4.07 | 0.03 |
| Jul | 3.67 | 3.53 | 0.14 |
| Aug | 3.51 | 3.56 | -0.05 |
| Sep | 3.93 | 3.66 | 0.27 |
| Oct | 4.42 | 4.39 | 0.03 |
| Nov | 3.58 | 3.42 | 0.16 |
| Dec | 3.82 | 3.89 | -0.07 |
43.75 | 42.45 | 1.30 |