| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.35 | 5.19 | 0.16 |
| Feb | 5.23 | 5.05 | 0.18 |
| Mar | 5.34 | 5.14 | 0.20 |
| Apr | 5.20 | 5.18 | 0.02 |
| May | 4.50 | 4.49 | 0.01 |
| Jun | 4.33 | 4.35 | -0.02 |
| Jul | 5.13 | 4.66 | 0.47 |
| Aug | 3.75 | 3.73 | 0.02 |
| Sep | 3.62 | 3.81 | -0.19 |
| Oct | 3.60 | 3.45 | 0.15 |
| Nov | 4.45 | 4.44 | 0.01 |
| Dec | 5.86 | 5.78 | 0.08 |
56.36 | 55.27 | 1.09 |