| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.44 | -0.05 |
| Feb | 3.15 | 3.17 | -0.02 |
| Mar | 4.32 | 4.18 | 0.14 |
| Apr | 5.01 | 4.94 | 0.07 |
| May | 5.41 | 5.14 | 0.27 |
| Jun | 4.95 | 4.76 | 0.19 |
| Jul | 4.51 | 4.55 | -0.04 |
| Aug | 3.80 | 3.59 | 0.21 |
| Sep | 3.43 | 3.39 | 0.04 |
| Oct | 3.42 | 3.37 | 0.05 |
| Nov | 3.56 | 3.34 | 0.22 |
| Dec | 3.99 | 4.19 | -0.20 |
48.94 | 48.06 | 0.88 |