| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 10.87 | 11.48 | -0.61 |
| Feb | 8.43 | 8.86 | -0.43 |
| Mar | 8.52 | 8.53 | -0.01 |
| Apr | 5.58 | 5.26 | 0.32 |
| May | 3.14 | 2.90 | 0.24 |
| Jun | 1.72 | 1.55 | 0.17 |
| Jul | 0.45 | 0.35 | 0.10 |
| Aug | 0.51 | 0.44 | 0.07 |
| Sep | 1.88 | 1.81 | 0.07 |
| Oct | 5.48 | 5.18 | 0.30 |
| Nov | 10.43 | 10.93 | -0.50 |
| Dec | 12.74 | 14.02 | -1.28 |
69.75 | 71.31 | -1.56 |