| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.16 | 5.20 | -0.04 |
| Feb | 5.04 | 5.49 | -0.45 |
| Mar | 5.34 | 5.45 | -0.11 |
| Apr | 4.53 | 4.68 | -0.15 |
| May | 4.13 | 4.41 | -0.28 |
| Jun | 4.48 | 4.62 | -0.14 |
| Jul | 4.60 | 4.67 | -0.07 |
| Aug | 3.95 | 4.03 | -0.08 |
| Sep | 3.43 | 3.47 | -0.04 |
| Oct | 3.29 | 3.42 | -0.13 |
| Nov | 4.36 | 4.47 | -0.11 |
| Dec | 4.88 | 5.07 | -0.19 |
53.19 | 54.98 | -1.79 |