| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.92 | 3.90 | 0.02 |
| Feb | 3.38 | 3.55 | -0.17 |
| Mar | 4.19 | 4.30 | -0.11 |
| Apr | 4.23 | 4.41 | -0.18 |
| May | 3.71 | 3.73 | -0.02 |
| Jun | 4.27 | 4.36 | -0.09 |
| Jul | 3.26 | 3.31 | -0.05 |
| Aug | 3.29 | 3.26 | 0.03 |
| Sep | 4.11 | 4.00 | 0.11 |
| Oct | 5.16 | 5.33 | -0.17 |
| Nov | 4.58 | 4.64 | -0.06 |
| Dec | 4.71 | 4.80 | -0.09 |
48.81 | 49.59 | -0.78 |