| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.21 | 5.19 | 0.02 |
| Feb | 5.08 | 5.31 | -0.23 |
| Mar | 5.46 | 5.40 | 0.06 |
| Apr | 4.99 | 4.92 | 0.07 |
| May | 4.19 | 4.41 | -0.22 |
| Jun | 4.64 | 4.74 | -0.10 |
| Jul | 4.31 | 4.21 | 0.10 |
| Aug | 4.01 | 3.80 | 0.21 |
| Sep | 3.94 | 4.17 | -0.23 |
| Oct | 3.51 | 3.47 | 0.04 |
| Nov | 4.33 | 4.27 | 0.06 |
| Dec | 5.60 | 5.79 | -0.19 |
55.27 | 55.68 | -0.41 |