| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.08 | 3.94 | 0.14 |
| Feb | 3.51 | 3.50 | 0.01 |
| Mar | 3.70 | 3.60 | 0.10 |
| Apr | 3.41 | 3.57 | -0.16 |
| May | 4.13 | 4.40 | -0.27 |
| Jun | 4.88 | 5.25 | -0.37 |
| Jul | 6.24 | 6.51 | -0.27 |
| Aug | 7.11 | 7.49 | -0.38 |
| Sep | 6.97 | 6.85 | 0.12 |
| Oct | 3.99 | 4.19 | -0.20 |
| Nov | 3.76 | 3.74 | 0.02 |
| Dec | 3.93 | 3.95 | -0.02 |
55.71 | 56.99 | -1.28 |