| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.81 | 5.49 | 0.32 |
| Feb | 4.93 | 5.17 | -0.24 |
| Mar | 5.38 | 5.24 | 0.14 |
| Apr | 5.88 | 6.02 | -0.14 |
| May | 4.62 | 4.61 | 0.01 |
| Jun | 3.95 | 4.06 | -0.11 |
| Jul | 4.35 | 3.96 | 0.39 |
| Aug | 3.65 | 3.59 | 0.06 |
| Sep | 3.60 | 3.56 | 0.04 |
| Oct | 4.53 | 4.50 | 0.03 |
| Nov | 4.72 | 4.74 | -0.02 |
| Dec | 5.44 | 5.51 | -0.07 |
56.86 | 56.45 | 0.41 |