| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.51 | -0.13 |
| Feb | 3.12 | 3.20 | -0.08 |
| Mar | 4.47 | 4.66 | -0.19 |
| Apr | 3.40 | 3.63 | -0.23 |
| May | 3.23 | 3.38 | -0.15 |
| Jun | 3.67 | 3.70 | -0.03 |
| Jul | 4.34 | 4.23 | 0.11 |
| Aug | 4.53 | 4.53 | 0.00 |
| Sep | 3.71 | 3.75 | -0.04 |
| Oct | 4.08 | 4.31 | -0.23 |
| Nov | 3.33 | 3.46 | -0.13 |
| Dec | 4.36 | 4.51 | -0.15 |
45.62 | 46.87 | -1.25 |