| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.54 | 0.02 |
| Feb | 2.86 | 2.93 | -0.07 |
| Mar | 3.98 | 4.07 | -0.09 |
| Apr | 5.05 | 5.23 | -0.18 |
| May | 5.24 | 5.37 | -0.13 |
| Jun | 5.03 | 5.14 | -0.11 |
| Jul | 4.36 | 4.43 | -0.07 |
| Aug | 3.73 | 3.69 | 0.04 |
| Sep | 3.43 | 3.47 | -0.04 |
| Oct | 3.43 | 3.54 | -0.11 |
| Nov | 3.75 | 3.80 | -0.05 |
| Dec | 3.65 | 3.70 | -0.05 |
48.07 | 48.91 | -0.84 |