| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.65 | 3.72 | -0.07 |
| Feb | 2.88 | 3.02 | -0.14 |
| Mar | 4.14 | 4.28 | -0.14 |
| Apr | 4.00 | 4.02 | -0.02 |
| May | 4.22 | 4.26 | -0.04 |
| Jun | 4.60 | 4.71 | -0.11 |
| Jul | 5.02 | 5.05 | -0.03 |
| Aug | 4.67 | 4.55 | 0.12 |
| Sep | 4.64 | 4.43 | 0.21 |
| Oct | 4.35 | 4.49 | -0.14 |
| Nov | 3.49 | 3.44 | 0.05 |
| Dec | 4.38 | 4.54 | -0.16 |
50.04 | 50.51 | -0.47 |