| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.53 | -0.03 |
| Feb | 2.65 | 2.76 | -0.11 |
| Mar | 3.73 | 3.97 | -0.24 |
| Apr | 3.87 | 3.88 | -0.01 |
| May | 3.92 | 4.11 | -0.19 |
| Jun | 4.71 | 4.75 | -0.04 |
| Jul | 4.79 | 4.73 | 0.06 |
| Aug | 4.74 | 4.80 | -0.06 |
| Sep | 4.43 | 4.73 | -0.30 |
| Oct | 4.51 | 4.78 | -0.27 |
| Nov | 3.42 | 3.38 | 0.04 |
| Dec | 4.18 | 4.34 | -0.16 |
48.45 | 49.76 | -1.31 |