| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.27 | 3.34 | -0.07 |
| Feb | 2.42 | 2.65 | -0.23 |
| Mar | 3.58 | 3.76 | -0.18 |
| Apr | 3.48 | 3.78 | -0.30 |
| May | 3.65 | 3.71 | -0.06 |
| Jun | 4.37 | 4.74 | -0.37 |
| Jul | 4.77 | 4.92 | -0.15 |
| Aug | 4.38 | 4.30 | 0.08 |
| Sep | 4.67 | 4.76 | -0.09 |
| Oct | 4.01 | 4.24 | -0.23 |
| Nov | 3.08 | 3.23 | -0.15 |
| Dec | 3.63 | 3.87 | -0.24 |
45.31 | 47.30 | -1.99 |