| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.63 | -0.08 |
| Feb | 3.47 | 3.45 | 0.02 |
| Mar | 4.51 | 4.53 | -0.02 |
| Apr | 4.93 | 5.01 | -0.08 |
| May | 5.47 | 5.40 | 0.07 |
| Jun | 5.01 | 4.87 | 0.14 |
| Jul | 4.90 | 4.71 | 0.19 |
| Aug | 3.63 | 3.46 | 0.17 |
| Sep | 3.40 | 3.66 | -0.26 |
| Oct | 3.68 | 3.51 | 0.17 |
| Nov | 3.50 | 3.57 | -0.07 |
| Dec | 4.22 | 4.24 | -0.02 |
50.27 | 50.04 | 0.23 |