| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.00 | 4.15 | -0.15 |
| Feb | 3.55 | 3.84 | -0.29 |
| Mar | 3.73 | 3.83 | -0.10 |
| Apr | 3.47 | 3.52 | -0.05 |
| May | 4.28 | 4.29 | -0.01 |
| Jun | 5.26 | 5.15 | 0.11 |
| Jul | 6.45 | 6.58 | -0.13 |
| Aug | 7.13 | 7.33 | -0.20 |
| Sep | 7.53 | 7.82 | -0.29 |
| Oct | 4.14 | 4.58 | -0.44 |
| Nov | 3.66 | 3.93 | -0.27 |
| Dec | 3.92 | 4.01 | -0.09 |
57.12 | 59.03 | -1.91 |