| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.69 | 8.98 | 0.71 |
| Feb | 7.36 | 6.56 | 0.80 |
| Mar | 7.39 | 7.10 | 0.29 |
| Apr | 5.98 | 5.66 | 0.32 |
| May | 4.11 | 4.31 | -0.20 |
| Jun | 2.99 | 3.00 | -0.01 |
| Jul | 0.78 | 0.79 | -0.01 |
| Aug | 1.00 | 1.02 | -0.02 |
| Sep | 2.67 | 2.59 | 0.08 |
| Oct | 6.45 | 5.85 | 0.60 |
| Nov | 10.35 | 9.40 | 0.95 |
| Dec | 10.76 | 10.17 | 0.59 |
69.53 | 65.43 | 4.10 |