| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.97 | 4.85 | 0.12 |
| Feb | 4.88 | 4.73 | 0.15 |
| Mar | 5.05 | 4.90 | 0.15 |
| Apr | 4.11 | 4.16 | -0.05 |
| May | 4.20 | 4.07 | 0.13 |
| Jun | 4.70 | 4.81 | -0.11 |
| Jul | 4.47 | 4.45 | 0.02 |
| Aug | 4.89 | 4.66 | 0.23 |
| Sep | 4.01 | 4.14 | -0.13 |
| Oct | 3.91 | 3.71 | 0.20 |
| Nov | 4.24 | 4.11 | 0.13 |
| Dec | 4.81 | 4.78 | 0.03 |
54.24 | 53.37 | 0.87 |