| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.46 | 5.27 | -0.81 |
| Feb | 4.25 | 4.47 | -0.22 |
| Mar | 4.96 | 4.90 | 0.06 |
| Apr | 4.82 | 5.47 | -0.65 |
| May | 3.75 | 3.88 | -0.13 |
| Jun | 5.83 | 6.03 | -0.20 |
| Jul | 7.26 | 7.43 | -0.17 |
| Aug | 6.56 | 6.96 | -0.40 |
| Sep | 6.65 | 6.79 | -0.14 |
| Oct | 4.19 | 4.25 | -0.06 |
| Nov | 3.97 | 4.07 | -0.10 |
| Dec | 4.82 | 4.93 | -0.11 |
61.52 | 64.45 | -2.93 |