| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.65 | 4.81 | -0.16 |
| Feb | 3.45 | 3.80 | -0.35 |
| Mar | 3.76 | 3.97 | -0.21 |
| Apr | 4.06 | 4.45 | -0.39 |
| May | 5.15 | 5.61 | -0.46 |
| Jun | 5.74 | 5.53 | 0.21 |
| Jul | 4.60 | 4.46 | 0.14 |
| Aug | 5.62 | 5.94 | -0.32 |
| Sep | 5.61 | 6.29 | -0.68 |
| Oct | 5.52 | 6.44 | -0.92 |
| Nov | 4.69 | 4.95 | -0.26 |
| Dec | 4.67 | 5.09 | -0.42 |
57.52 | 61.34 | -3.82 |