| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.46 | -0.08 |
| Feb | 2.72 | 2.73 | -0.01 |
| Mar | 3.93 | 4.02 | -0.09 |
| Apr | 3.44 | 3.48 | -0.04 |
| May | 3.65 | 3.69 | -0.04 |
| Jun | 4.61 | 4.42 | 0.19 |
| Jul | 4.56 | 4.76 | -0.20 |
| Aug | 4.14 | 4.32 | -0.18 |
| Sep | 4.65 | 4.82 | -0.17 |
| Oct | 3.45 | 3.51 | -0.06 |
| Nov | 3.16 | 3.20 | -0.04 |
| Dec | 3.47 | 3.49 | -0.02 |
45.16 | 45.90 | -0.74 |