| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.74 | 1.76 | -0.02 |
| Feb | 1.71 | 1.78 | -0.07 |
| Mar | 2.22 | 2.26 | -0.04 |
| Apr | 3.64 | 3.57 | 0.07 |
| May | 4.65 | 4.73 | -0.08 |
| Jun | 4.60 | 4.42 | 0.18 |
| Jul | 3.89 | 3.74 | 0.15 |
| Aug | 4.00 | 3.83 | 0.17 |
| Sep | 3.45 | 3.36 | 0.09 |
| Oct | 3.12 | 3.11 | 0.01 |
| Nov | 2.50 | 2.39 | 0.11 |
| Dec | 1.96 | 2.03 | -0.07 |
37.48 | 36.98 | 0.50 |