| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.01 | 5.12 | -0.11 |
| Feb | 5.24 | 4.96 | 0.28 |
| Mar | 5.30 | 5.44 | -0.14 |
| Apr | 4.85 | 4.79 | 0.06 |
| May | 4.07 | 4.32 | -0.25 |
| Jun | 4.26 | 4.61 | -0.35 |
| Jul | 4.50 | 5.25 | -0.75 |
| Aug | 3.96 | 3.76 | 0.20 |
| Sep | 4.47 | 4.72 | -0.25 |
| Oct | 3.54 | 3.54 | 0.00 |
| Nov | 4.46 | 4.50 | -0.04 |
| Dec | 5.29 | 5.74 | -0.45 |
54.95 | 56.75 | -1.80 |