| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.47 | 2.66 | -0.19 |
| Feb | 2.08 | 2.24 | -0.16 |
| Mar | 3.39 | 3.45 | -0.06 |
| Apr | 4.60 | 4.65 | -0.05 |
| May | 4.87 | 4.92 | -0.05 |
| Jun | 4.43 | 4.60 | -0.17 |
| Jul | 3.80 | 4.01 | -0.21 |
| Aug | 3.31 | 3.50 | -0.19 |
| Sep | 3.40 | 3.40 | 0.00 |
| Oct | 3.03 | 3.18 | -0.15 |
| Nov | 3.29 | 3.55 | -0.26 |
| Dec | 2.67 | 2.66 | 0.01 |
41.34 | 42.82 | -1.48 |