| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.63 | -0.16 |
| Feb | 2.79 | 2.91 | -0.12 |
| Mar | 3.73 | 3.80 | -0.07 |
| Apr | 3.69 | 3.80 | -0.11 |
| May | 4.34 | 4.31 | 0.03 |
| Jun | 4.25 | 4.30 | -0.05 |
| Jul | 3.73 | 4.03 | -0.30 |
| Aug | 3.53 | 3.49 | 0.04 |
| Sep | 4.43 | 4.55 | -0.12 |
| Oct | 3.41 | 3.37 | 0.04 |
| Nov | 3.27 | 3.31 | -0.04 |
| Dec | 3.56 | 3.71 | -0.15 |
44.20 | 45.21 | -1.01 |