| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.80 | 3.98 | -0.18 |
| Feb | 2.95 | 3.38 | -0.43 |
| Mar | 4.50 | 4.87 | -0.37 |
| Apr | 3.61 | 3.57 | 0.04 |
| May | 3.49 | 3.78 | -0.29 |
| Jun | 3.76 | 3.96 | -0.20 |
| Jul | 4.58 | 4.40 | 0.18 |
| Aug | 4.49 | 4.73 | -0.24 |
| Sep | 3.86 | 3.96 | -0.10 |
| Oct | 4.00 | 4.42 | -0.42 |
| Nov | 3.20 | 3.56 | -0.36 |
| Dec | 4.48 | 4.85 | -0.37 |
46.72 | 49.46 | -2.74 |