| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.53 | 5.98 | 0.55 |
| Feb | 6.35 | 6.22 | 0.13 |
| Mar | 5.72 | 5.46 | 0.26 |
| Apr | 2.95 | 2.89 | 0.06 |
| May | 1.68 | 1.70 | -0.02 |
| Jun | 0.44 | 0.47 | -0.03 |
| Jul | 0.01 | 0.00 | 0.01 |
| Aug | 0.05 | 0.06 | -0.01 |
| Sep | 0.31 | 0.30 | 0.01 |
| Oct | 1.74 | 1.67 | 0.07 |
| Nov | 3.83 | 3.78 | 0.05 |
| Dec | 6.57 | 6.21 | 0.36 |
36.18 | 34.74 | 1.44 |