| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.48 | 5.07 | 0.41 |
| Feb | 4.39 | 4.19 | 0.20 |
| Mar | 5.38 | 5.07 | 0.31 |
| Apr | 5.65 | 5.17 | 0.48 |
| May | 5.43 | 4.99 | 0.44 |
| Jun | 5.26 | 5.17 | 0.09 |
| Jul | 5.16 | 5.15 | 0.01 |
| Aug | 5.75 | 5.74 | 0.01 |
| Sep | 5.50 | 5.63 | -0.13 |
| Oct | 5.25 | 4.50 | 0.75 |
| Nov | 5.19 | 4.18 | 1.01 |
| Dec | 5.61 | 5.16 | 0.45 |
64.05 | 60.02 | 4.03 |