| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.45 | -0.07 |
| Feb | 2.77 | 2.73 | 0.04 |
| Mar | 3.94 | 4.02 | -0.08 |
| Apr | 3.44 | 3.47 | -0.03 |
| May | 3.67 | 3.72 | -0.05 |
| Jun | 4.65 | 4.41 | 0.24 |
| Jul | 4.57 | 4.76 | -0.19 |
| Aug | 4.19 | 4.34 | -0.15 |
| Sep | 4.66 | 4.80 | -0.14 |
| Oct | 3.45 | 3.52 | -0.07 |
| Nov | 3.21 | 3.21 | 0.00 |
| Dec | 3.50 | 3.50 | 0.00 |
45.43 | 45.93 | -0.50 |