| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.44 | 2.43 | 0.01 |
| Feb | 2.03 | 2.07 | -0.04 |
| Mar | 2.57 | 2.58 | -0.01 |
| Apr | 3.68 | 3.63 | 0.05 |
| May | 4.47 | 4.45 | 0.02 |
| Jun | 4.18 | 4.12 | 0.06 |
| Jul | 4.04 | 3.99 | 0.05 |
| Aug | 3.74 | 3.69 | 0.05 |
| Sep | 3.08 | 3.04 | 0.04 |
| Oct | 2.81 | 2.78 | 0.03 |
| Nov | 2.91 | 2.88 | 0.03 |
| Dec | 2.32 | 2.34 | -0.02 |
38.27 | 38.00 | 0.27 |