| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.24 | 0.08 |
| Feb | 2.86 | 2.81 | 0.05 |
| Mar | 3.49 | 3.43 | 0.06 |
| Apr | 3.82 | 3.80 | 0.02 |
| May | 3.76 | 3.70 | 0.06 |
| Jun | 4.50 | 4.64 | -0.14 |
| Jul | 4.38 | 4.57 | -0.19 |
| Aug | 3.95 | 4.07 | -0.12 |
| Sep | 3.82 | 3.69 | 0.13 |
| Oct | 4.22 | 4.31 | -0.09 |
| Nov | 3.45 | 3.44 | 0.01 |
| Dec | 3.83 | 4.03 | -0.20 |
45.40 | 45.73 | -0.33 |