| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.74 | -0.02 |
| Feb | 1.06 | 1.07 | -0.01 |
| Mar | 1.93 | 1.98 | -0.05 |
| Apr | 2.95 | 2.81 | 0.14 |
| May | 4.92 | 4.96 | -0.04 |
| Jun | 4.27 | 3.90 | 0.37 |
| Jul | 4.41 | 4.37 | 0.04 |
| Aug | 3.92 | 4.00 | -0.08 |
| Sep | 2.80 | 2.85 | -0.05 |
| Oct | 2.17 | 2.26 | -0.09 |
| Nov | 1.38 | 1.39 | -0.01 |
| Dec | 1.18 | 1.24 | -0.06 |
31.71 | 31.57 | 0.14 |