| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.07 | 1.05 | 0.02 |
| Feb | 1.10 | 1.09 | 0.01 |
| Mar | 1.98 | 1.94 | 0.04 |
| Apr | 3.60 | 3.63 | -0.03 |
| May | 4.49 | 4.54 | -0.05 |
| Jun | 5.28 | 5.24 | 0.04 |
| Jul | 4.17 | 4.17 | 0.00 |
| Aug | 4.57 | 4.55 | 0.02 |
| Sep | 3.81 | 3.72 | 0.09 |
| Oct | 2.54 | 2.49 | 0.05 |
| Nov | 1.80 | 1.76 | 0.04 |
| Dec | 1.30 | 1.24 | 0.06 |
35.71 | 35.42 | 0.29 |