| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.97 | 4.50 | 0.47 |
| Feb | 4.92 | 4.72 | 0.20 |
| Mar | 5.46 | 5.07 | 0.39 |
| Apr | 5.10 | 4.83 | 0.27 |
| May | 4.78 | 4.79 | -0.01 |
| Jun | 4.80 | 4.93 | -0.13 |
| Jul | 4.87 | 5.01 | -0.14 |
| Aug | 3.93 | 3.86 | 0.07 |
| Sep | 3.84 | 3.92 | -0.08 |
| Oct | 3.10 | 2.92 | 0.18 |
| Nov | 3.82 | 3.51 | 0.31 |
| Dec | 5.64 | 5.38 | 0.26 |
55.23 | 53.44 | 1.79 |