| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.35 | 0.05 |
| Feb | 3.26 | 3.23 | 0.03 |
| Mar | 4.54 | 4.37 | 0.17 |
| Apr | 5.51 | 5.31 | 0.20 |
| May | 5.05 | 5.02 | 0.03 |
| Jun | 4.41 | 4.49 | -0.08 |
| Jul | 4.13 | 3.94 | 0.19 |
| Aug | 3.21 | 3.10 | 0.11 |
| Sep | 3.36 | 3.20 | 0.16 |
| Oct | 3.68 | 3.57 | 0.11 |
| Nov | 4.22 | 4.22 | 0.00 |
| Dec | 3.65 | 3.69 | -0.04 |
48.42 | 47.49 | 0.93 |