| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.59 | 4.24 | 0.35 |
| Feb | 3.98 | 3.64 | 0.34 |
| Mar | 4.24 | 3.76 | 0.48 |
| Apr | 3.72 | 3.55 | 0.17 |
| May | 4.29 | 4.24 | 0.05 |
| Jun | 4.63 | 4.40 | 0.23 |
| Jul | 5.40 | 5.47 | -0.07 |
| Aug | 6.38 | 6.46 | -0.08 |
| Sep | 6.80 | 7.47 | -0.67 |
| Oct | 4.99 | 4.54 | 0.45 |
| Nov | 4.47 | 4.66 | -0.19 |
| Dec | 4.40 | 4.16 | 0.24 |
57.89 | 56.59 | 1.30 |