| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.65 | -0.15 |
| Feb | 3.33 | 3.48 | -0.15 |
| Mar | 4.11 | 4.20 | -0.09 |
| Apr | 4.32 | 4.37 | -0.05 |
| May | 3.68 | 3.70 | -0.02 |
| Jun | 4.30 | 4.47 | -0.17 |
| Jul | 3.42 | 3.35 | 0.07 |
| Aug | 3.33 | 3.19 | 0.14 |
| Sep | 4.00 | 3.93 | 0.07 |
| Oct | 5.17 | 5.31 | -0.14 |
| Nov | 4.51 | 4.44 | 0.07 |
| Dec | 4.42 | 4.65 | -0.23 |
48.09 | 48.74 | -0.65 |