| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.58 | 0.54 | 0.04 |
| Feb | 0.82 | 0.74 | 0.08 |
| Mar | 1.36 | 1.29 | 0.07 |
| Apr | 2.16 | 2.01 | 0.15 |
| May | 3.89 | 3.66 | 0.23 |
| Jun | 3.42 | 3.22 | 0.20 |
| Jul | 3.98 | 3.99 | -0.01 |
| Aug | 3.47 | 3.26 | 0.21 |
| Sep | 2.09 | 2.24 | -0.15 |
| Oct | 1.74 | 1.74 | 0.00 |
| Nov | 0.96 | 0.93 | 0.03 |
| Dec | 0.83 | 0.83 | 0.00 |
25.30 | 24.45 | 0.85 |