| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.33 | 4.23 | 0.10 |
| Feb | 4.14 | 4.13 | 0.01 |
| Mar | 4.49 | 4.53 | -0.04 |
| Apr | 3.62 | 3.71 | -0.09 |
| May | 2.79 | 2.58 | 0.21 |
| Jun | 4.24 | 4.23 | 0.01 |
| Jul | 4.62 | 4.55 | 0.07 |
| Aug | 4.45 | 4.24 | 0.21 |
| Sep | 3.64 | 3.47 | 0.17 |
| Oct | 2.71 | 2.80 | -0.09 |
| Nov | 3.23 | 3.22 | 0.01 |
| Dec | 4.54 | 4.47 | 0.07 |
46.80 | 46.16 | 0.64 |