| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.20 | 3.23 | -0.03 |
| Feb | 2.79 | 2.91 | -0.12 |
| Mar | 3.58 | 3.63 | -0.05 |
| Apr | 3.45 | 3.66 | -0.21 |
| May | 4.26 | 4.52 | -0.26 |
| Jun | 4.67 | 4.60 | 0.07 |
| Jul | 4.27 | 4.07 | 0.20 |
| Aug | 3.66 | 3.73 | -0.07 |
| Sep | 4.06 | 4.52 | -0.46 |
| Oct | 3.13 | 3.50 | -0.37 |
| Nov | 3.01 | 2.98 | 0.03 |
| Dec | 3.20 | 3.41 | -0.21 |
43.28 | 44.76 | -1.48 |