| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.44 | 5.60 | -0.16 |
| Feb | 5.12 | 5.27 | -0.15 |
| Mar | 5.50 | 5.41 | 0.09 |
| Apr | 5.20 | 5.05 | 0.15 |
| May | 4.06 | 4.58 | -0.52 |
| Jun | 4.80 | 4.67 | 0.13 |
| Jul | 4.60 | 4.58 | 0.02 |
| Aug | 3.89 | 3.69 | 0.20 |
| Sep | 3.95 | 4.29 | -0.34 |
| Oct | 3.59 | 3.39 | 0.20 |
| Nov | 4.63 | 4.50 | 0.13 |
| Dec | 5.62 | 5.83 | -0.21 |
56.40 | 56.86 | -0.46 |