| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.34 | 0.05 |
| Feb | 2.78 | 2.79 | -0.01 |
| Mar | 4.00 | 3.98 | 0.02 |
| Apr | 3.47 | 3.45 | 0.02 |
| May | 4.05 | 4.02 | 0.03 |
| Jun | 4.43 | 4.38 | 0.05 |
| Jul | 4.83 | 4.74 | 0.09 |
| Aug | 4.75 | 4.80 | -0.05 |
| Sep | 4.73 | 4.66 | 0.07 |
| Oct | 3.76 | 3.79 | -0.03 |
| Nov | 3.15 | 3.17 | -0.02 |
| Dec | 3.59 | 3.62 | -0.03 |
46.93 | 46.74 | 0.19 |