| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.88 | 1.92 | -0.04 |
| Feb | 1.67 | 1.83 | -0.16 |
| Mar | 2.22 | 2.30 | -0.08 |
| Apr | 3.74 | 3.80 | -0.06 |
| May | 4.63 | 4.52 | 0.11 |
| Jun | 4.41 | 4.37 | 0.04 |
| Jul | 3.95 | 3.95 | 0.00 |
| Aug | 3.97 | 3.73 | 0.24 |
| Sep | 3.17 | 3.29 | -0.12 |
| Oct | 3.29 | 3.30 | -0.01 |
| Nov | 2.49 | 2.49 | 0.00 |
| Dec | 2.04 | 2.08 | -0.04 |
37.46 | 37.58 | -0.12 |