| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.29 | 4.40 | -0.11 |
| Feb | 3.33 | 3.35 | -0.02 |
| Mar | 4.52 | 4.75 | -0.23 |
| Apr | 5.12 | 5.38 | -0.26 |
| May | 5.20 | 5.19 | 0.01 |
| Jun | 5.02 | 5.10 | -0.08 |
| Jul | 5.09 | 4.99 | 0.10 |
| Aug | 5.11 | 4.95 | 0.16 |
| Sep | 5.20 | 5.03 | 0.17 |
| Oct | 4.17 | 4.56 | -0.39 |
| Nov | 4.22 | 4.44 | -0.22 |
| Dec | 4.23 | 4.57 | -0.34 |
55.50 | 56.71 | -1.21 |