| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.99 | 5.34 | -0.35 |
| Feb | 5.14 | 5.50 | -0.36 |
| Mar | 5.42 | 5.44 | -0.02 |
| Apr | 5.07 | 5.32 | -0.25 |
| May | 4.19 | 4.47 | -0.28 |
| Jun | 4.66 | 4.76 | -0.10 |
| Jul | 5.01 | 5.58 | -0.57 |
| Aug | 3.70 | 3.73 | -0.03 |
| Sep | 4.27 | 4.28 | -0.01 |
| Oct | 3.33 | 3.19 | 0.14 |
| Nov | 4.62 | 4.45 | 0.17 |
| Dec | 6.15 | 5.86 | 0.29 |
56.55 | 57.92 | -1.37 |