| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.45 | 5.17 | 0.28 |
| Feb | 5.58 | 5.29 | 0.29 |
| Mar | 5.64 | 5.52 | 0.12 |
| Apr | 5.23 | 5.03 | 0.20 |
| May | 4.81 | 4.76 | 0.05 |
| Jun | 5.01 | 4.80 | 0.21 |
| Jul | 5.02 | 4.65 | 0.37 |
| Aug | 4.09 | 4.12 | -0.03 |
| Sep | 3.92 | 4.12 | -0.20 |
| Oct | 3.67 | 3.57 | 0.10 |
| Nov | 4.65 | 4.40 | 0.25 |
| Dec | 6.40 | 6.17 | 0.23 |
59.47 | 57.60 | 1.87 |