| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.74 | 4.88 | -0.14 |
| Feb | 4.88 | 4.93 | -0.05 |
| Mar | 5.17 | 5.14 | 0.03 |
| Apr | 4.27 | 4.42 | -0.15 |
| May | 3.76 | 3.66 | 0.10 |
| Jun | 4.22 | 4.20 | 0.02 |
| Jul | 4.84 | 4.97 | -0.13 |
| Aug | 4.06 | 4.29 | -0.23 |
| Sep | 3.53 | 3.73 | -0.20 |
| Oct | 3.07 | 3.24 | -0.17 |
| Nov | 4.20 | 4.17 | 0.03 |
| Dec | 5.00 | 4.99 | 0.01 |
51.74 | 52.62 | -0.88 |