| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.65 | -0.23 |
| Feb | 3.30 | 3.45 | -0.15 |
| Mar | 3.64 | 3.84 | -0.20 |
| Apr | 3.15 | 3.39 | -0.24 |
| May | 3.88 | 3.73 | 0.15 |
| Jun | 4.72 | 4.75 | -0.03 |
| Jul | 6.16 | 6.07 | 0.09 |
| Aug | 6.74 | 6.96 | -0.22 |
| Sep | 6.76 | 7.38 | -0.62 |
| Oct | 4.43 | 4.51 | -0.08 |
| Nov | 3.40 | 3.45 | -0.05 |
| Dec | 3.58 | 3.78 | -0.20 |
53.18 | 54.96 | -1.78 |