| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.49 | 4.37 | 0.12 |
| Feb | 4.95 | 4.90 | 0.05 |
| Mar | 5.59 | 5.44 | 0.15 |
| Apr | 5.33 | 5.49 | -0.16 |
| May | 5.11 | 5.70 | -0.59 |
| Jun | 4.57 | 4.64 | -0.07 |
| Jul | 4.36 | 4.68 | -0.32 |
| Aug | 3.76 | 3.70 | 0.06 |
| Sep | 3.88 | 3.97 | -0.09 |
| Oct | 3.69 | 3.93 | -0.24 |
| Nov | 4.28 | 4.17 | 0.11 |
| Dec | 5.26 | 5.51 | -0.25 |
55.27 | 56.50 | -1.23 |