| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.93 | 4.94 | -0.01 |
| Feb | 4.56 | 4.65 | -0.09 |
| Mar | 5.00 | 5.27 | -0.27 |
| Apr | 4.88 | 4.89 | -0.01 |
| May | 4.05 | 4.33 | -0.28 |
| Jun | 4.72 | 4.43 | 0.29 |
| Jul | 3.73 | 3.48 | 0.25 |
| Aug | 3.58 | 3.56 | 0.02 |
| Sep | 3.69 | 3.55 | 0.14 |
| Oct | 4.45 | 4.36 | 0.09 |
| Nov | 4.52 | 4.47 | 0.05 |
| Dec | 5.19 | 5.31 | -0.12 |
53.30 | 53.24 | 0.06 |