| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.35 | 5.31 | 0.04 |
| Feb | 5.14 | 5.27 | -0.13 |
| Mar | 5.50 | 5.36 | 0.14 |
| Apr | 5.15 | 5.08 | 0.07 |
| May | 4.28 | 4.54 | -0.26 |
| Jun | 4.82 | 4.79 | 0.03 |
| Jul | 4.43 | 4.44 | -0.01 |
| Aug | 3.97 | 3.84 | 0.13 |
| Sep | 4.04 | 4.07 | -0.03 |
| Oct | 3.73 | 3.59 | 0.14 |
| Nov | 4.43 | 4.40 | 0.03 |
| Dec | 5.80 | 5.78 | 0.02 |
56.64 | 56.47 | 0.17 |