| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.50 | 0.03 |
| Feb | 3.28 | 3.29 | -0.01 |
| Mar | 3.48 | 3.66 | -0.18 |
| Apr | 3.21 | 3.39 | -0.18 |
| May | 3.53 | 3.53 | 0.00 |
| Jun | 5.87 | 6.05 | -0.18 |
| Jul | 5.74 | 5.63 | 0.11 |
| Aug | 5.72 | 5.91 | -0.19 |
| Sep | 4.47 | 4.51 | -0.04 |
| Oct | 3.36 | 3.63 | -0.27 |
| Nov | 2.38 | 2.60 | -0.22 |
| Dec | 3.18 | 3.43 | -0.25 |
47.75 | 49.13 | -1.38 |