| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.66 | -0.23 |
| Feb | 2.95 | 3.04 | -0.09 |
| Mar | 4.16 | 4.28 | -0.12 |
| Apr | 3.79 | 3.97 | -0.18 |
| May | 3.83 | 3.94 | -0.11 |
| Jun | 4.21 | 4.53 | -0.32 |
| Jul | 4.44 | 4.43 | 0.01 |
| Aug | 4.22 | 4.38 | -0.16 |
| Sep | 3.93 | 4.03 | -0.10 |
| Oct | 4.07 | 4.10 | -0.03 |
| Nov | 3.37 | 3.37 | 0.00 |
| Dec | 4.22 | 4.40 | -0.18 |
46.62 | 48.13 | -1.51 |