| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.61 | 0.00 |
| Feb | 0.77 | 0.74 | 0.03 |
| Mar | 1.36 | 1.40 | -0.04 |
| Apr | 2.53 | 2.54 | -0.01 |
| May | 4.66 | 4.81 | -0.15 |
| Jun | 3.98 | 3.90 | 0.08 |
| Jul | 3.76 | 3.85 | -0.09 |
| Aug | 3.50 | 3.56 | -0.06 |
| Sep | 2.26 | 2.29 | -0.03 |
| Oct | 2.18 | 2.19 | -0.01 |
| Nov | 1.28 | 1.23 | 0.05 |
| Dec | 0.90 | 0.93 | -0.03 |
27.79 | 28.05 | -0.26 |