| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.08 | 4.93 | 0.15 |
| Feb | 4.91 | 4.87 | 0.04 |
| Mar | 5.19 | 5.11 | 0.08 |
| Apr | 4.32 | 4.32 | 0.00 |
| May | 3.91 | 4.16 | -0.25 |
| Jun | 4.32 | 4.29 | 0.03 |
| Jul | 5.01 | 5.00 | 0.01 |
| Aug | 4.06 | 4.09 | -0.03 |
| Sep | 3.91 | 3.97 | -0.06 |
| Oct | 3.56 | 3.40 | 0.16 |
| Nov | 4.32 | 4.33 | -0.01 |
| Dec | 4.91 | 4.80 | 0.11 |
53.50 | 53.27 | 0.23 |