| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.57 | 4.51 | 0.06 |
| Feb | 4.89 | 4.92 | -0.03 |
| Mar | 5.25 | 5.23 | 0.02 |
| Apr | 5.02 | 5.05 | -0.03 |
| May | 4.97 | 5.09 | -0.12 |
| Jun | 4.53 | 4.37 | 0.16 |
| Jul | 4.43 | 4.54 | -0.11 |
| Aug | 3.63 | 3.50 | 0.13 |
| Sep | 3.98 | 4.13 | -0.15 |
| Oct | 3.65 | 3.58 | 0.07 |
| Nov | 3.80 | 3.90 | -0.10 |
| Dec | 5.23 | 5.60 | -0.37 |
53.95 | 54.42 | -0.47 |