| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.58 | 4.54 | 0.04 |
| Feb | 4.92 | 4.94 | -0.02 |
| Mar | 5.26 | 5.25 | 0.01 |
| Apr | 4.97 | 5.05 | -0.08 |
| May | 4.92 | 5.07 | -0.15 |
| Jun | 4.50 | 4.43 | 0.07 |
| Jul | 4.36 | 4.57 | -0.21 |
| Aug | 3.62 | 3.56 | 0.06 |
| Sep | 3.99 | 4.16 | -0.17 |
| Oct | 3.66 | 3.63 | 0.03 |
| Nov | 3.78 | 3.91 | -0.13 |
| Dec | 5.26 | 5.65 | -0.39 |
53.82 | 54.76 | -0.94 |