| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.31 | 4.32 | -0.01 |
| Feb | 4.62 | 4.67 | -0.05 |
| Mar | 5.00 | 5.06 | -0.06 |
| Apr | 4.91 | 5.01 | -0.10 |
| May | 5.03 | 5.22 | -0.19 |
| Jun | 4.41 | 4.36 | 0.05 |
| Jul | 4.35 | 4.57 | -0.22 |
| Aug | 3.45 | 3.50 | -0.05 |
| Sep | 3.79 | 4.02 | -0.23 |
| Oct | 3.50 | 3.46 | 0.04 |
| Nov | 3.67 | 3.83 | -0.16 |
| Dec | 4.91 | 5.17 | -0.26 |
51.95 | 53.19 | -1.24 |