| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.50 | 0.50 | 0.00 |
| Feb | 0.73 | 0.73 | 0.00 |
| Mar | 1.26 | 1.30 | -0.04 |
| Apr | 1.96 | 2.01 | -0.05 |
| May | 3.54 | 3.51 | 0.03 |
| Jun | 3.14 | 3.16 | -0.02 |
| Jul | 3.64 | 3.57 | 0.07 |
| Aug | 2.98 | 3.01 | -0.03 |
| Sep | 1.74 | 1.81 | -0.07 |
| Oct | 1.60 | 1.65 | -0.05 |
| Nov | 0.82 | 0.83 | -0.01 |
| Dec | 0.76 | 0.83 | -0.07 |
22.67 | 22.91 | -0.24 |