| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.59 | 2.64 | -0.05 |
| Feb | 2.29 | 2.33 | -0.04 |
| Mar | 3.53 | 3.55 | -0.02 |
| Apr | 4.71 | 4.66 | 0.05 |
| May | 4.74 | 5.03 | -0.29 |
| Jun | 4.32 | 4.25 | 0.07 |
| Jul | 3.87 | 3.94 | -0.07 |
| Aug | 3.77 | 3.53 | 0.24 |
| Sep | 3.49 | 3.48 | 0.01 |
| Oct | 3.15 | 3.20 | -0.05 |
| Nov | 3.46 | 3.47 | -0.01 |
| Dec | 2.63 | 2.61 | 0.02 |
42.55 | 42.69 | -0.14 |