| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.56 | 2.52 | 0.04 |
| Feb | 1.95 | 2.06 | -0.11 |
| Mar | 2.54 | 2.63 | -0.09 |
| Apr | 3.83 | 3.80 | 0.03 |
| May | 4.40 | 4.45 | -0.05 |
| Jun | 4.50 | 4.42 | 0.08 |
| Jul | 4.21 | 4.07 | 0.14 |
| Aug | 3.91 | 3.79 | 0.12 |
| Sep | 3.08 | 3.06 | 0.02 |
| Oct | 2.95 | 2.90 | 0.05 |
| Nov | 3.07 | 3.02 | 0.05 |
| Dec | 2.38 | 2.38 | 0.00 |
39.38 | 39.10 | 0.28 |