| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.73 | 1.71 | 0.02 |
| Feb | 1.79 | 1.95 | -0.16 |
| Mar | 3.33 | 3.32 | 0.01 |
| Apr | 4.45 | 4.14 | 0.31 |
| May | 5.65 | 5.92 | -0.27 |
| Jun | 4.60 | 4.54 | 0.06 |
| Jul | 3.74 | 3.74 | 0.00 |
| Aug | 3.41 | 3.59 | -0.18 |
| Sep | 3.95 | 3.87 | 0.08 |
| Oct | 3.69 | 3.65 | 0.04 |
| Nov | 2.95 | 2.79 | 0.16 |
| Dec | 2.47 | 2.47 | 0.00 |
41.76 | 41.69 | 0.07 |