| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.86 | 8.43 | 1.43 |
| Feb | 7.72 | 6.70 | 1.02 |
| Mar | 8.57 | 7.72 | 0.85 |
| Apr | 6.85 | 6.19 | 0.66 |
| May | 4.80 | 4.33 | 0.47 |
| Jun | 3.18 | 2.95 | 0.23 |
| Jul | 0.72 | 0.62 | 0.10 |
| Aug | 0.90 | 0.67 | 0.23 |
| Sep | 2.71 | 2.31 | 0.40 |
| Oct | 6.55 | 5.54 | 1.01 |
| Nov | 10.52 | 8.98 | 1.54 |
| Dec | 11.63 | 9.94 | 1.69 |
74.01 | 64.38 | 9.63 |