| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.71 | 0.02 |
| Feb | 1.01 | 1.05 | -0.04 |
| Mar | 1.79 | 1.76 | 0.03 |
| Apr | 2.51 | 2.53 | -0.02 |
| May | 4.91 | 4.81 | 0.10 |
| Jun | 3.99 | 3.89 | 0.10 |
| Jul | 3.98 | 3.92 | 0.06 |
| Aug | 3.80 | 3.81 | -0.01 |
| Sep | 2.63 | 2.56 | 0.07 |
| Oct | 2.14 | 2.15 | -0.01 |
| Nov | 1.20 | 1.19 | 0.01 |
| Dec | 1.09 | 1.04 | 0.05 |
29.78 | 29.42 | 0.36 |