| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.58 | 4.45 | 0.13 |
| Feb | 4.81 | 4.86 | -0.05 |
| Mar | 5.19 | 5.16 | 0.03 |
| Apr | 4.95 | 5.14 | -0.19 |
| May | 4.98 | 5.26 | -0.28 |
| Jun | 4.73 | 4.62 | 0.11 |
| Jul | 4.33 | 4.74 | -0.41 |
| Aug | 3.67 | 3.71 | -0.04 |
| Sep | 3.99 | 4.07 | -0.08 |
| Oct | 3.76 | 3.74 | 0.02 |
| Nov | 3.84 | 3.79 | 0.05 |
| Dec | 5.24 | 5.33 | -0.09 |
54.07 | 54.87 | -0.80 |