| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.54 | 4.74 | -0.20 |
| Feb | 4.33 | 4.53 | -0.20 |
| Mar | 4.87 | 5.04 | -0.17 |
| Apr | 3.76 | 4.00 | -0.24 |
| May | 2.96 | 3.16 | -0.20 |
| Jun | 5.46 | 5.42 | 0.04 |
| Jul | 6.05 | 6.30 | -0.25 |
| Aug | 5.16 | 5.44 | -0.28 |
| Sep | 4.45 | 4.35 | 0.10 |
| Oct | 2.71 | 2.99 | -0.28 |
| Nov | 3.17 | 3.35 | -0.18 |
| Dec | 3.94 | 4.13 | -0.19 |
51.40 | 53.45 | -2.05 |