| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.42 | 4.28 | 0.14 |
| Feb | 3.96 | 3.82 | 0.14 |
| Mar | 4.62 | 4.63 | -0.01 |
| Apr | 4.25 | 4.29 | -0.04 |
| May | 4.10 | 4.26 | -0.16 |
| Jun | 4.33 | 4.36 | -0.03 |
| Jul | 4.44 | 4.68 | -0.24 |
| Aug | 4.77 | 4.73 | 0.04 |
| Sep | 4.23 | 4.14 | 0.09 |
| Oct | 3.76 | 3.78 | -0.02 |
| Nov | 3.98 | 3.98 | 0.00 |
| Dec | 4.76 | 4.78 | -0.02 |
51.62 | 51.73 | -0.11 |