| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.93 | 3.11 | -0.18 |
| Feb | 2.50 | 2.63 | -0.13 |
| Mar | 3.73 | 3.80 | -0.07 |
| Apr | 3.48 | 3.47 | 0.01 |
| May | 3.87 | 3.94 | -0.07 |
| Jun | 3.97 | 3.91 | 0.06 |
| Jul | 4.45 | 4.32 | 0.13 |
| Aug | 3.78 | 3.89 | -0.11 |
| Sep | 4.61 | 4.77 | -0.16 |
| Oct | 3.86 | 3.80 | 0.06 |
| Nov | 3.03 | 3.06 | -0.03 |
| Dec | 3.32 | 3.50 | -0.18 |
43.53 | 44.20 | -0.67 |