| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.02 | 3.03 | -0.01 |
| Feb | 2.55 | 2.57 | -0.02 |
| Mar | 3.80 | 3.75 | 0.05 |
| Apr | 3.56 | 3.65 | -0.09 |
| May | 4.40 | 4.28 | 0.12 |
| Jun | 4.02 | 4.09 | -0.07 |
| Jul | 4.08 | 4.06 | 0.02 |
| Aug | 3.40 | 3.39 | 0.01 |
| Sep | 4.42 | 4.63 | -0.21 |
| Oct | 3.51 | 3.69 | -0.18 |
| Nov | 3.10 | 3.11 | -0.01 |
| Dec | 3.52 | 3.65 | -0.13 |
43.38 | 43.90 | -0.52 |