| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.71 | 3.47 | 0.24 |
| Feb | 2.93 | 2.70 | 0.23 |
| Mar | 4.05 | 3.92 | 0.13 |
| Apr | 3.63 | 3.48 | 0.15 |
| May | 4.37 | 4.32 | 0.05 |
| Jun | 4.31 | 4.14 | 0.17 |
| Jul | 4.38 | 4.42 | -0.04 |
| Aug | 3.85 | 3.90 | -0.05 |
| Sep | 4.56 | 4.67 | -0.11 |
| Oct | 3.65 | 3.57 | 0.08 |
| Nov | 3.44 | 3.32 | 0.12 |
| Dec | 3.60 | 3.58 | 0.02 |
46.48 | 45.49 | 0.99 |