| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.43 | 5.75 | -0.32 |
| Feb | 3.74 | 3.97 | -0.23 |
| Mar | 4.18 | 4.23 | -0.05 |
| Apr | 3.04 | 3.04 | 0.00 |
| May | 1.93 | 1.99 | -0.06 |
| Jun | 1.45 | 1.50 | -0.05 |
| Jul | 0.70 | 0.66 | 0.04 |
| Aug | 0.96 | 0.94 | 0.02 |
| Sep | 1.60 | 1.65 | -0.05 |
| Oct | 3.77 | 3.76 | 0.01 |
| Nov | 5.96 | 6.26 | -0.30 |
| Dec | 5.62 | 6.20 | -0.58 |
38.38 | 39.95 | -1.57 |