| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.61 | 4.58 | 0.03 |
| Feb | 4.60 | 4.58 | 0.02 |
| Mar | 4.85 | 5.22 | -0.37 |
| Apr | 4.14 | 4.47 | -0.33 |
| May | 3.22 | 3.48 | -0.26 |
| Jun | 4.34 | 4.46 | -0.12 |
| Jul | 4.51 | 5.10 | -0.59 |
| Aug | 4.64 | 4.60 | 0.04 |
| Sep | 3.74 | 3.50 | 0.24 |
| Oct | 2.96 | 3.13 | -0.17 |
| Nov | 3.78 | 3.94 | -0.16 |
| Dec | 4.95 | 5.00 | -0.05 |
50.34 | 52.06 | -1.72 |