| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.22 | 2.27 | -0.05 |
| Feb | 1.93 | 2.05 | -0.12 |
| Mar | 2.33 | 2.37 | -0.04 |
| Apr | 3.66 | 3.72 | -0.06 |
| May | 4.24 | 4.40 | -0.16 |
| Jun | 4.36 | 4.50 | -0.14 |
| Jul | 4.23 | 4.25 | -0.02 |
| Aug | 3.92 | 4.14 | -0.22 |
| Sep | 3.40 | 3.40 | 0.00 |
| Oct | 3.43 | 3.54 | -0.11 |
| Nov | 2.76 | 2.74 | 0.02 |
| Dec | 2.15 | 2.24 | -0.09 |
38.63 | 39.62 | -0.99 |