| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.53 | 2.62 | -0.09 |
| Feb | 2.15 | 2.22 | -0.07 |
| Mar | 2.29 | 2.32 | -0.03 |
| Apr | 3.57 | 3.48 | 0.09 |
| May | 4.22 | 4.19 | 0.03 |
| Jun | 4.09 | 4.02 | 0.07 |
| Jul | 3.92 | 3.91 | 0.01 |
| Aug | 3.92 | 3.88 | 0.04 |
| Sep | 3.31 | 3.17 | 0.14 |
| Oct | 3.37 | 3.27 | 0.10 |
| Nov | 2.88 | 2.80 | 0.08 |
| Dec | 2.49 | 2.42 | 0.07 |
38.74 | 38.30 | 0.44 |