| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.68 | -0.14 |
| Feb | 2.80 | 2.94 | -0.14 |
| Mar | 4.01 | 4.27 | -0.26 |
| Apr | 3.89 | 3.98 | -0.09 |
| May | 4.12 | 4.19 | -0.07 |
| Jun | 4.40 | 4.55 | -0.15 |
| Jul | 4.94 | 4.97 | -0.03 |
| Aug | 4.56 | 4.40 | 0.16 |
| Sep | 4.47 | 4.34 | 0.13 |
| Oct | 4.28 | 4.30 | -0.02 |
| Nov | 3.36 | 3.37 | -0.01 |
| Dec | 4.27 | 4.45 | -0.18 |
48.64 | 49.44 | -0.80 |