| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.87 | 2.78 | 0.09 |
| Feb | 2.44 | 2.40 | 0.04 |
| Mar | 3.30 | 3.30 | 0.00 |
| Apr | 3.11 | 3.07 | 0.04 |
| May | 4.71 | 4.57 | 0.14 |
| Jun | 3.32 | 3.39 | -0.07 |
| Jul | 1.85 | 1.92 | -0.07 |
| Aug | 2.58 | 2.44 | 0.14 |
| Sep | 3.28 | 3.21 | 0.07 |
| Oct | 4.02 | 4.05 | -0.03 |
| Nov | 2.93 | 2.92 | 0.01 |
| Dec | 3.02 | 2.95 | 0.07 |
37.43 | 37.00 | 0.43 |