| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.32 | 5.50 | -0.18 |
| Feb | 5.19 | 5.23 | -0.04 |
| Mar | 5.33 | 5.30 | 0.03 |
| Apr | 5.18 | 5.25 | -0.07 |
| May | 4.46 | 4.69 | -0.23 |
| Jun | 4.41 | 4.81 | -0.40 |
| Jul | 5.07 | 4.79 | 0.28 |
| Aug | 3.74 | 3.86 | -0.12 |
| Sep | 3.63 | 3.96 | -0.33 |
| Oct | 3.56 | 3.56 | 0.00 |
| Nov | 4.47 | 4.54 | -0.07 |
| Dec | 5.81 | 5.80 | 0.01 |
56.17 | 57.29 | -1.12 |