| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.34 | 1.37 | -0.03 |
| Feb | 1.16 | 1.18 | -0.02 |
| Mar | 1.84 | 1.78 | 0.06 |
| Apr | 3.21 | 3.23 | -0.02 |
| May | 3.63 | 3.65 | -0.02 |
| Jun | 4.46 | 4.45 | 0.01 |
| Jul | 3.85 | 3.74 | 0.11 |
| Aug | 3.55 | 3.56 | -0.01 |
| Sep | 3.04 | 3.04 | 0.00 |
| Oct | 2.86 | 2.83 | 0.03 |
| Nov | 2.00 | 1.91 | 0.09 |
| Dec | 1.54 | 1.53 | 0.01 |
32.48 | 32.27 | 0.21 |