| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.07 | 3.86 | 0.21 |
| Feb | 3.26 | 3.14 | 0.12 |
| Mar | 4.24 | 4.14 | 0.10 |
| Apr | 4.47 | 4.28 | 0.19 |
| May | 4.74 | 4.67 | 0.07 |
| Jun | 4.97 | 4.79 | 0.18 |
| Jul | 5.06 | 5.19 | -0.13 |
| Aug | 5.14 | 4.74 | 0.40 |
| Sep | 4.56 | 4.31 | 0.25 |
| Oct | 3.64 | 3.37 | 0.27 |
| Nov | 3.51 | 3.37 | 0.14 |
| Dec | 4.25 | 4.13 | 0.12 |
51.91 | 49.99 | 1.92 |