| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.24 | 2.18 | 0.06 |
| Feb | 1.80 | 1.82 | -0.02 |
| Mar | 2.59 | 2.57 | 0.02 |
| Apr | 2.50 | 2.47 | 0.03 |
| May | 4.06 | 4.02 | 0.04 |
| Jun | 3.36 | 3.82 | -0.46 |
| Jul | 2.27 | 2.83 | -0.56 |
| Aug | 2.33 | 2.48 | -0.15 |
| Sep | 3.47 | 3.69 | -0.22 |
| Oct | 3.66 | 3.98 | -0.32 |
| Nov | 2.64 | 2.70 | -0.06 |
| Dec | 2.27 | 2.44 | -0.17 |
33.19 | 35.00 | -1.81 |