| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.58 | -0.02 |
| Feb | 2.88 | 2.98 | -0.10 |
| Mar | 4.46 | 4.47 | -0.01 |
| Apr | 3.41 | 3.55 | -0.14 |
| May | 3.46 | 3.49 | -0.03 |
| Jun | 3.80 | 4.07 | -0.27 |
| Jul | 4.76 | 4.67 | 0.09 |
| Aug | 4.80 | 4.91 | -0.11 |
| Sep | 3.78 | 4.06 | -0.28 |
| Oct | 4.20 | 4.17 | 0.03 |
| Nov | 3.33 | 3.33 | 0.00 |
| Dec | 4.40 | 4.43 | -0.03 |
46.84 | 47.71 | -0.87 |